={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcff0600fedbdf25010000000c00020000000000008600000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) [ 1730.149023] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES32=r1, @ANYRES64=r0], 0x58}}, 0x20040010) 04:14:07 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}]}, 0x20}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="01810802daeccdcdef773385da0804bba8229edfaf99806acf551a8ccc63a030ad697ea61858c9b2ca9a2b426b680f08ca9d3751443eab335eff7d5a7fb046812bc9ace939b9c7b941cdc025f7aa04b59f23b0053e2055c136be65ff5ccc8eaa2f1804a08dd79e297374b6f44a2aa8def36e974ffa3d6a8f54fe0ab297c3d4ed5d7a64ee1d5bad30cfae823f1eb835691099d1a6f1b505304a8d5f80222e1656df2a7d9c4f284d6e13accb59bb93eec83db93a214994d890ae18b910b087b9d0531f816077c7f2620fcce3f4", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES8=r3, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 04:14:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcff0600fedbdf25010000000c00020000000000008600000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES32=r1, @ANYRES64=r0], 0x58}}, 0x20040010) 04:14:07 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x2}, 0x10}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="01810802daeccdcdef773385da0804bba8229edfaf99806acf551a8ccc63a030ad697ea61858c9b2ca9a2b426b680f08ca9d3751443eab335eff7d5a7fb046812bc9ace939b9c7b941cdc025f7aa04b59f23b0053e2055c136be65ff5ccc8eaa2f1804a08dd79e297374b6f44a2aa8def36e974ffa3d6a8f54fe0ab297c3d4ed5d7a64ee1d5bad30cfae823f1eb835691099d1a6f1b505304a8d5f80222e1656df2a7d9c4f284d6e13accb59bb93eec83db93a214994d890ae18b910b087b9d0531f816077c7f2620fcce3f4", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES8=r3, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES32=r1, @ANYRES64=r0], 0x58}}, 0x20040010) 04:14:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="01810802daeccdcdef773385da0804bba8229edfaf99806acf551a8ccc63a030ad697ea61858c9b2ca9a2b426b680f08ca9d3751443eab335eff7d5a7fb046812bc9ace939b9c7b941cdc025f7aa04b59f23b0053e2055c136be65ff5ccc8eaa2f1804a08dd79e297374b6f44a2aa8def36e974ffa3d6a8f54fe0ab297c3d4ed5d7a64ee1d5bad30cfae823f1eb835691099d1a6f1b505304a8d5f80222e1656df2a7d9c4f284d6e13accb59bb93eec83db93a214994d890ae18b910b087b9d0531f816077c7f2620fcce3f4", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES8=r3, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="01810802daeccdcdef773385da0804bba8229edfaf99806acf551a8ccc63a030ad697ea61858c9b2ca9a2b426b680f08ca9d3751443eab335eff7d5a7fb046812bc9ace939b9c7b941cdc025f7aa04b59f23b0053e2055c136be65ff5ccc8eaa2f1804a08dd79e297374b6f44a2aa8def36e974ffa3d6a8f54fe0ab297c3d4ed5d7a64ee1d5bad30cfae823f1eb835691099d1a6f1b505304a8d5f80222e1656df2a7d9c4f284d6e13accb59bb93eec83db93a214994d890ae18b910b087b9d0531f816077c7f2620fcce3f4", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES8=r3, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, 0x80, 0x0, 0x6, 0x0, 0x70bd25, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}]}, 0x30}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80008}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r3, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.{}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x40}}, 0x800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80400040}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x14, r3, 0x800, 0x70bd26, 0x8}, 0x14}, 0x1, 0x0, 0x0, 0x20004804}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="bb22a6002300"/18, @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f0000000040), 0x3, 0x101000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x3c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) futimesat(r4, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={{0x0, 0x2710}, {0x77359400}}) getsockopt$bt_BT_SNDMTU(r6, 0x112, 0xc, &(0x7f0000000340)=0xc88a, &(0x7f0000000380)=0x2) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x38, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) sendmsg$key(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=ANY=[@ANYBLOB="021703030d00000027bd7000fbdbdf0b366137c655885c522ec02502000100000004d43f003a000019008005001a00ac1e01010000000000000000000000000000000000000000000000000000000000001000020013000900000025bd7000000000000200130001621c81b33e3954456ad2aed5eddaff162ad808479add52afb172b08c30977836bacb6e04677724b3f2f74c32283c39aa200c4c0be8588eb762e59d5caa58247324aa3a97e5e4fc3b742e96e761d9b573e46f5cd809dd0324270e0897cb0682395d1ba4b78310"], 0x68}}, 0x4914) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="42db0800", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, 0x80, 0x0, 0x6, 0x0, 0x70bd25, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}]}, 0x30}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, 0x80, 0x0, 0x6, 0x0, 0x70bd25, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}]}, 0x30}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x8000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="7d471a6c0c35650cbbdda624d87efa0339d9", @ANYRES8=r1, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f0000000040), 0x3, 0x101000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x3c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) futimesat(r4, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={{0x0, 0x2710}, {0x77359400}}) getsockopt$bt_BT_SNDMTU(r6, 0x112, 0xc, &(0x7f0000000340)=0xc88a, &(0x7f0000000380)=0x2) (async) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x38, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) sendmsg$key(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=ANY=[@ANYBLOB="021703030d00000027bd7000fbdbdf0b366137c655885c522ec02502000100000004d43f003a000019008005001a00ac1e01010000000000000000000000000000000000000000000000000000000000001000020013000900000025bd7000000000000200130001621c81b33e3954456ad2aed5eddaff162ad808479add52afb172b08c30977836bacb6e04677724b3f2f74c32283c39aa200c4c0be8588eb762e59d5caa58247324aa3a97e5e4fc3b742e96e761d9b573e46f5cd809dd0324270e0897cb0682395d1ba4b78310"], 0x68}}, 0x4914) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="42db0800", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) (rerun: 64) 04:14:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80008}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r3, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.{}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x40}}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80400040}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x14, r3, 0x800, 0x70bd26, 0x8}, 0x14}, 0x1, 0x0, 0x0, 0x20004804}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="bb22a6002300"/18, @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x6, 0x0, 0x70bd25, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}]}, 0x30}}, 0x0) 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) r5 = syz_open_dev$audion(&(0x7f0000000040), 0x3, 0x101000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x3c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) futimesat(r4, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={{0x0, 0x2710}, {0x77359400}}) (async) getsockopt$bt_BT_SNDMTU(r6, 0x112, 0xc, &(0x7f0000000340)=0xc88a, &(0x7f0000000380)=0x2) (async) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x38, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) sendmsg$key(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=ANY=[@ANYBLOB="021703030d00000027bd7000fbdbdf0b366137c655885c522ec02502000100000004d43f003a000019008005001a00ac1e01010000000000000000000000000000000000000000000000000000000000001000020013000900000025bd7000000000000200130001621c81b33e3954456ad2aed5eddaff162ad808479add52afb172b08c30977836bacb6e04677724b3f2f74c32283c39aa200c4c0be8588eb762e59d5caa58247324aa3a97e5e4fc3b742e96e761d9b573e46f5cd809dd0324270e0897cb0682395d1ba4b78310"], 0x68}}, 0x4914) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="42db0800", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) 04:14:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80008}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r3, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.{}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x40}}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80400040}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x14, r3, 0x800, 0x70bd26, 0x8}, 0x14}, 0x1, 0x0, 0x0, 0x20004804}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="bb22a6002300"/18, @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x8000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="7d471a6c0c35650cbbdda624d87efa0339d9", @ANYRES8=r1, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="7d471a6c0c35650cbbdda624d87efa0339d9", @ANYRES8=r1, @ANYBLOB='\b'], 0x58}}, 0x0) (async) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}]}, 0x30}}, 0x0) [ 1730.552035] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) 04:14:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, [@sadb_sa={0x2, 0x1, 0x4d4, 0x0, 0x2, 0x44, 0x4, 0xc0000000}]}, 0x20}}, 0x0) 04:14:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x48808000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44}, 0x40010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="580073c072bb1aca16ac1e69a56074080000f5f7f16698557f263f9a8cba89b15f8cb42e63dad0795ad20d7fe919b09b7bcbe93dbc7d796f5a7e177c1ef9574fab6f0f5d479911eb7f7f448f1f8f8427c57b63bda0f3b7c8cf4cf1ef40265d365b4d846402f889ddb9239e48a6f21f9bd4a7acc2c7b81d007798a04bcd6ff360a7b5d4c4a8dfc1cb5a9c10fa5f151e2995267333e5b42f1c4593ffe1bc2734f49ca631bc77f60de60495a17124276941b4500cb7a9703ddb404451aadd105a55f6c6b693361e772e6e440318fd5c19ba80cc1dbd5beb0ff58eb35462227b2f730180aff3c82246", @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x8000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="7d471a6c0c35650cbbdda624d87efa0339d9", @ANYRES8=r1, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="7d471a6c0c35650cbbdda624d87efa0339d9", @ANYRES8=r1, @ANYBLOB='\b'], 0x58}}, 0x0) (async) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1730.648067] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:08 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x9, 0x0, 0x0, 0x2}, 0x10}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) (async) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x48808000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44}, 0x40010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="580073c072bb1aca16ac1e69a56074080000f5f7f16698557f263f9a8cba89b15f8cb42e63dad0795ad20d7fe919b09b7bcbe93dbc7d796f5a7e177c1ef9574fab6f0f5d479911eb7f7f448f1f8f8427c57b63bda0f3b7c8cf4cf1ef40265d365b4d846402f889ddb9239e48a6f21f9bd4a7acc2c7b81d007798a04bcd6ff360a7b5d4c4a8dfc1cb5a9c10fa5f151e2995267333e5b42f1c4593ffe1bc2734f49ca631bc77f60de60495a17124276941b4500cb7a9703ddb404451aadd105a55f6c6b693361e772e6e440318fd5c19ba80cc1dbd5beb0ff58eb35462227b2f730180aff3c82246", @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) [ 1730.763315] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) getsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x48808000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44}, 0x40010) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="580073c072bb1aca16ac1e69a56074080000f5f7f16698557f263f9a8cba89b15f8cb42e63dad0795ad20d7fe919b09b7bcbe93dbc7d796f5a7e177c1ef9574fab6f0f5d479911eb7f7f448f1f8f8427c57b63bda0f3b7c8cf4cf1ef40265d365b4d846402f889ddb9239e48a6f21f9bd4a7acc2c7b81d007798a04bcd6ff360a7b5d4c4a8dfc1cb5a9c10fa5f151e2995267333e5b42f1c4593ffe1bc2734f49ca631bc77f60de60495a17124276941b4500cb7a9703ddb404451aadd105a55f6c6b693361e772e6e440318fd5c19ba80cc1dbd5beb0ff58eb35462227b2f730180aff3c82246", @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0, @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}, 0x1, 0x0, 0x0, 0x20000855}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) getsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="580000bf32ca5a4d9415be2582da00", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0, @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}, 0x1, 0x0, 0x0, 0x20000855}, 0x0) (rerun: 64) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="580000bf32ca5a4d9415be2582da00", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) getsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="58010000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="580000bf32ca5a4d9415be2582da00", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0, @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}, 0x1, 0x0, 0x0, 0x20000855}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0, @ANYRES16=r1, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}, 0x1, 0x0, 0x0, 0x20000855}, 0x0) (async) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) setsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000280)=0x1, 0x2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x54, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="58010000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) setsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000280)=0x1, 0x2) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x54, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) setsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000280)=0x1, 0x2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x54, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 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$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) setsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000280)=0x1, 0x2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x54, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="58010000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) setsockopt$MRT_PIM(0xffffffffffffffff, 0x0, 0xcf, &(0x7f0000000000)=0x2, 0x4) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') getgroups(0x4, &(0x7f0000000080)=[0xee01, 0xffffffffffffffff, 0xffffffffffffffff, 0xee00]) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=r4, @ANYBLOB='\b\x00', @ANYRESOCT=r0, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) setsockopt$MRT_PIM(0xffffffffffffffff, 0x0, 0xcf, &(0x7f0000000000)=0x2, 0x4) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') getgroups(0x4, &(0x7f0000000080)=[0xee01, 0xffffffffffffffff, 0xffffffffffffffff, 0xee00]) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=r4, @ANYBLOB='\b\x00', @ANYRESOCT=r0, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) setsockopt$MRT_PIM(0xffffffffffffffff, 0x0, 0xcf, &(0x7f0000000000)=0x2, 0x4) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) getgroups(0x4, &(0x7f0000000080)=[0xee01, 0xffffffffffffffff, 0xffffffffffffffff, 0xee00]) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=r4, @ANYBLOB='\b\x00', @ANYRESOCT=r0, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) 04:14:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) r6 = syz_open_dev$audion(&(0x7f00000002c0), 0x8, 0x100) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) r9 = socket(0xb, 0x6, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x5c, r11, 0x421, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xffffffffffffff99, 0xa, 'a'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4e}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) setsockopt$MRT_PIM(0xffffffffffffffff, 0x0, 0xcf, &(0x7f0000000000)=0x2, 0x4) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') getgroups(0x4, &(0x7f0000000080)=[0xee01, 0xffffffffffffffff, 0xffffffffffffffff, 0xee00]) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=r4, @ANYBLOB='\b\x00', @ANYRESOCT=r0, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) setsockopt$MRT_PIM(0xffffffffffffffff, 0x0, 0xcf, &(0x7f0000000000)=0x2, 0x4) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) getgroups(0x4, &(0x7f0000000080)=[0xee01, 0xffffffffffffffff, 0xffffffffffffffff, 0xee00]) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=r4, @ANYBLOB='\b\x00', @ANYRESOCT=r0, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1731.838777] nbd: must specify at least one socket 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) r6 = syz_open_dev$audion(&(0x7f00000002c0), 0x8, 0x100) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) r9 = socket(0xb, 0x6, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x5c, r11, 0x421, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xffffffffffffff99, 0xa, 'a'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4e}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$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$nbd(&(0x7f00000003c0), r5) (async) syz_open_dev$audion(&(0x7f00000002c0), 0x8, 0x100) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) socket(0xb, 0x6, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x5c, r11, 0x421, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xffffffffffffff99, 0xa, 'a'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4e}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) 04:14:09 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1732.105969] nbd: must specify at least one socket 04:14:09 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) r6 = syz_open_dev$audion(&(0x7f00000002c0), 0x8, 0x100) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) r9 = socket(0xb, 0x6, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x5c, r11, 0x421, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xffffffffffffff99, 0xa, 'a'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4e}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x80) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:09 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 3: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x2) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10800084}, 0xc, &(0x7f0000000700)={&(0x7f0000000280)={0x464, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [{{0x8}, {0xc0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x64766df9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x108, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x14, 0x6, 0x3f}, {0x180, 0x2, 0x7f, 0x1}, {0x33f, 0x42, 0x3f}, {0xf800, 0x0, 0x4, 0x9}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}]}}, {{0x8, 0x1, r4}, {0x128, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x464}, 0x1, 0x0, 0x0, 0x4}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYRESOCT=r1, @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="eb"], 0x58}}, 0x0) ioctl$IOCTL_VMCI_QUEUEPAIR_SETPF(0xffffffffffffffff, 0x7a9, &(0x7f00000001c0)={{@hyper, 0x1}, 0xb572, 0x4335, 0x10000, 0x75, 0x5, 0x3, 0x81}) socket$inet_udplite(0x2, 0x2, 0x88) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 3: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x2) (async, rerun: 32) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = socket$igmp(0x2, 0x3, 0x2) (rerun: 32) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10800084}, 0xc, &(0x7f0000000700)={&(0x7f0000000280)={0x464, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [{{0x8}, {0xc0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x64766df9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x108, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x14, 0x6, 0x3f}, {0x180, 0x2, 0x7f, 0x1}, {0x33f, 0x42, 0x3f}, {0xf800, 0x0, 0x4, 0x9}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}]}}, {{0x8, 0x1, r4}, {0x128, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x464}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) socket$inet6_udplite(0xa, 0x2, 0x88) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYRESOCT=r1, @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="eb"], 0x58}}, 0x0) (rerun: 64) ioctl$IOCTL_VMCI_QUEUEPAIR_SETPF(0xffffffffffffffff, 0x7a9, &(0x7f00000001c0)={{@hyper, 0x1}, 0xb572, 0x4335, 0x10000, 0x75, 0x5, 0x3, 0x81}) (async, rerun: 64) socket$inet_udplite(0x2, 0x2, 0x88) (rerun: 64) 04:14:09 executing program 0: r0 = gettid() sched_rr_get_interval(r0, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 3: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x2) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10800084}, 0xc, &(0x7f0000000700)={&(0x7f0000000280)={0x464, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [{{0x8}, {0xc0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x64766df9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x108, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x14, 0x6, 0x3f}, {0x180, 0x2, 0x7f, 0x1}, {0x33f, 0x42, 0x3f}, {0xf800, 0x0, 0x4, 0x9}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}]}}, {{0x8, 0x1, r4}, {0x128, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x464}, 0x1, 0x0, 0x0, 0x4}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYRESOCT=r1, @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="eb"], 0x58}}, 0x0) ioctl$IOCTL_VMCI_QUEUEPAIR_SETPF(0xffffffffffffffff, 0x7a9, &(0x7f00000001c0)={{@hyper, 0x1}, 0xb572, 0x4335, 0x10000, 0x75, 0x5, 0x3, 0x81}) socket$inet_udplite(0x2, 0x2, 0x88) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x2) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10800084}, 0xc, &(0x7f0000000700)={&(0x7f0000000280)={0x464, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [{{0x8}, {0xc0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x64766df9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x108, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x14, 0x6, 0x3f}, {0x180, 0x2, 0x7f, 0x1}, {0x33f, 0x42, 0x3f}, {0xf800, 0x0, 0x4, 0x9}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}]}}, {{0x8, 0x1, r4}, {0x128, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x464}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) socket$inet6_udplite(0xa, 0x2, 0x88) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYRESOCT=r1, @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB="eb"], 0x58}}, 0x0) (async) ioctl$IOCTL_VMCI_QUEUEPAIR_SETPF(0xffffffffffffffff, 0x7a9, &(0x7f00000001c0)={{@hyper, 0x1}, 0xb572, 0x4335, 0x10000, 0x75, 0x5, 0x3, 0x81}) (async) socket$inet_udplite(0x2, 0x2, 0x88) (async) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:09 executing program 0: r0 = gettid() sched_rr_get_interval(r0, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) gettid() (async) sched_rr_get_interval(r0, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r5, 0x20, 0x4, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)={0x58, r8, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000816}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB="69c2dd2b120ce0692afbd81d3483437fb6bbf866bf68171bd1342381960fe52b6dc2388d27053fd4fde2", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32=r7, @ANYBLOB='\b'], 0x58}}, 0x4000) 04:14:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1732.630239] nla_parse: 122 callbacks suppressed [ 1732.630244] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:10 executing program 0: r0 = gettid() sched_rr_get_interval(r0, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) [ 1732.679918] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1732.720214] nbd: must specify at least one socket 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x44, 0x0, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xce3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040000}, 0x8804) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="17d3070e", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r5, 0x20, 0x4, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40000) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)={0x58, r8, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000816}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB="69c2dd2b120ce0692afbd81d3483437fb6bbf866bf68171bd1342381960fe52b6dc2388d27053fd4fde2", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32=r7, @ANYBLOB='\b'], 0x58}}, 0x4000) [ 1732.743552] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1732.771510] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x44, 0x0, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xce3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040000}, 0x8804) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="17d3070e", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1732.941926] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1732.970248] nbd: must specify at least one socket 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r5, 0x20, 0x4, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40000) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)={0x58, r8, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000816}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB="69c2dd2b120ce0692afbd81d3483437fb6bbf866bf68171bd1342381960fe52b6dc2388d27053fd4fde2", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32=r7, @ANYBLOB='\b'], 0x58}}, 0x4000) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x44, 0x0, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xce3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040000}, 0x8804) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="17d3070e", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.097852] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1733.123373] nbd: must specify at least one socket 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:10 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x34, r0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40088c4}, 0x2000000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=0x0, @ANYRESOCT=0x0], 0x58}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.144374] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 04:14:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.261268] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 04:14:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x34, r0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40088c4}, 0x2000000) 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=0x0, @ANYRESOCT=0x0], 0x58}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.403892] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1733.403897] nbd: socks must be embedded in a SOCK_ITEM attr [ 1733.409475] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x34, r0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40088c4}, 0x2000000) 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=0x0, @ANYRESOCT=0x0], 0x58}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x34, r0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40088c4}, 0x2000000) (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$nbd(&(0x7f0000000140), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=0x0, @ANYRESOCT=0x0], 0x58}}, 0x0) (async) 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.446078] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1733.561145] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) unlinkat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x200) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) unlinkat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x200) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1733.660397] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) unlinkat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x200) syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) unlinkat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x200) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r4, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r4, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'pimreg1\x00', 0x0}) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv0\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000400)={'syztnl0\x00', &(0x7f0000000380)=ANY=[@ANYBLOB='gretap0\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="78000020000000cc0000000747fa005c00670000372f9078ac1e0001ac1414ffffc0ac14144900000007ac1414aa000004000a01010100000810ffffffffffffffffffffffff0003a1c0ac1e0001000000000a010101002307ff00"/104]}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000010c0)={&(0x7f0000001140)={0xc34, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [{{0x8}, {0x298, 0x2, 0x0, 0x1, [{0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0xd000, 0xa3, 0x3f, 0x8}, {0x0, 0xe5, 0x9, 0x2}, {0x5, 0x70, 0x1, 0xc469}, {0x0, 0x2, 0x5, 0xfff}, {0x0, 0x6, 0x85, 0x1}, {0x848, 0x7, 0x1f, 0x8}, {0x6, 0x9, 0x4, 0x8}, {0x1, 0x68, 0x81, 0x1f}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1057}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x9, 0x20, 0xfe, 0xa}, {0x200, 0x6, 0xc6, 0xef}, {0xfff7, 0x33, 0xf8, 0x63}, {0x2, 0x81, 0x0, 0x6}, {0xaf8e, 0x4, 0xd6, 0x4091}, {0x40, 0x7, 0x40, 0x4}, {0xe2e, 0x4, 0x1, 0xfae0}, {0x5, 0x3, 0x1, 0x5}]}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x100}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x25c, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x14}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r6}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x148, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x36}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}]}}, {{0x8}, {0xcc, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x382bf0ff}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x3ff, 0x9, 0x0, 0x15d}, {0x8, 0x4f, 0x0, 0x8}, {0x1, 0x7f, 0x7d, 0x4}, {0xffff, 0x1, 0x9, 0xe0000000}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x6, 0x3, 0xfe, 0x7c}]}}}]}}, {{0x8}, {0x150, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0xfc, 0xc1, 0x4, 0x20}, {0x0, 0x78, 0x3, 0x1}, {0x6, 0x4e, 0x7, 0xb1}, {0xeacc, 0x8, 0xa8, 0x7}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0xffffd6f7}}, {0x8}}}]}}, {{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r6}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r7}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x80}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r10}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x4, 0x1f, 0x9, 0x100}, {0x1ea, 0x7, 0x0, 0x1f}, {0x1, 0x3, 0x40}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffff9}}}]}}, {{0x8}, {0x100, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r11}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x10000}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r12}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x7, 0x5, 0x3f, 0x99d}, {0x64fc, 0xfd, 0x2, 0x7}, {0x2, 0x8, 0x8, 0x8001}]}}}]}}]}, 0xc34}}, 0x4000000) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r4, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r4, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) (rerun: 64) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'pimreg1\x00', 0x0}) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv0\x00', 0x0}) (rerun: 32) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000400)={'syztnl0\x00', &(0x7f0000000380)=ANY=[@ANYBLOB='gretap0\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="78000020000000cc0000000747fa005c00670000372f9078ac1e0001ac1414ffffc0ac14144900000007ac1414aa000004000a01010100000810ffffffffffffffffffffffff0003a1c0ac1e0001000000000a010101002307ff00"/104]}) (async, rerun: 32) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000010c0)={&(0x7f0000001140)={0xc34, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [{{0x8}, {0x298, 0x2, 0x0, 0x1, [{0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0xd000, 0xa3, 0x3f, 0x8}, {0x0, 0xe5, 0x9, 0x2}, {0x5, 0x70, 0x1, 0xc469}, {0x0, 0x2, 0x5, 0xfff}, {0x0, 0x6, 0x85, 0x1}, {0x848, 0x7, 0x1f, 0x8}, {0x6, 0x9, 0x4, 0x8}, {0x1, 0x68, 0x81, 0x1f}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1057}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x9, 0x20, 0xfe, 0xa}, {0x200, 0x6, 0xc6, 0xef}, {0xfff7, 0x33, 0xf8, 0x63}, {0x2, 0x81, 0x0, 0x6}, {0xaf8e, 0x4, 0xd6, 0x4091}, {0x40, 0x7, 0x40, 0x4}, {0xe2e, 0x4, 0x1, 0xfae0}, {0x5, 0x3, 0x1, 0x5}]}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x100}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x25c, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x14}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r6}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x148, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x36}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}]}}, {{0x8}, {0xcc, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x382bf0ff}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x3ff, 0x9, 0x0, 0x15d}, {0x8, 0x4f, 0x0, 0x8}, {0x1, 0x7f, 0x7d, 0x4}, {0xffff, 0x1, 0x9, 0xe0000000}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x6, 0x3, 0xfe, 0x7c}]}}}]}}, {{0x8}, {0x150, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0xfc, 0xc1, 0x4, 0x20}, {0x0, 0x78, 0x3, 0x1}, {0x6, 0x4e, 0x7, 0xb1}, {0xeacc, 0x8, 0xa8, 0x7}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0xffffd6f7}}, {0x8}}}]}}, {{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r6}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r7}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x80}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r10}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x4, 0x1f, 0x9, 0x100}, {0x1ea, 0x7, 0x0, 0x1f}, {0x1, 0x3, 0x40}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffff9}}}]}}, {{0x8}, {0x100, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r11}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x10000}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r12}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x7, 0x5, 0x3f, 0x99d}, {0x64fc, 0xfd, 0x2, 0x7}, {0x2, 0x8, 0x8, 0x8001}]}}}]}}]}, 0xc34}}, 0x4000000) (rerun: 32) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) [ 1734.414960] nbd: must specify at least one socket 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r4, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r4, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'pimreg1\x00', 0x0}) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv0\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000400)={'syztnl0\x00', &(0x7f0000000380)=ANY=[@ANYBLOB='gretap0\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="78000020000000cc0000000747fa005c00670000372f9078ac1e0001ac1414ffffc0ac14144900000007ac1414aa000004000a01010100000810ffffffffffffffffffffffff0003a1c0ac1e0001000000000a010101002307ff00"/104]}) (async) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000010c0)={&(0x7f0000001140)={0xc34, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [{{0x8}, {0x298, 0x2, 0x0, 0x1, [{0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0xd000, 0xa3, 0x3f, 0x8}, {0x0, 0xe5, 0x9, 0x2}, {0x5, 0x70, 0x1, 0xc469}, {0x0, 0x2, 0x5, 0xfff}, {0x0, 0x6, 0x85, 0x1}, {0x848, 0x7, 0x1f, 0x8}, {0x6, 0x9, 0x4, 0x8}, {0x1, 0x68, 0x81, 0x1f}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1057}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x9, 0x20, 0xfe, 0xa}, {0x200, 0x6, 0xc6, 0xef}, {0xfff7, 0x33, 0xf8, 0x63}, {0x2, 0x81, 0x0, 0x6}, {0xaf8e, 0x4, 0xd6, 0x4091}, {0x40, 0x7, 0x40, 0x4}, {0xe2e, 0x4, 0x1, 0xfae0}, {0x5, 0x3, 0x1, 0x5}]}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x100}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x25c, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x14}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r6}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x148, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x36}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}]}}, {{0x8}, {0xcc, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x382bf0ff}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x3ff, 0x9, 0x0, 0x15d}, {0x8, 0x4f, 0x0, 0x8}, {0x1, 0x7f, 0x7d, 0x4}, {0xffff, 0x1, 0x9, 0xe0000000}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x6, 0x3, 0xfe, 0x7c}]}}}]}}, {{0x8}, {0x150, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0xfc, 0xc1, 0x4, 0x20}, {0x0, 0x78, 0x3, 0x1}, {0x6, 0x4e, 0x7, 0xb1}, {0xeacc, 0x8, 0xa8, 0x7}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x5}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0xffffd6f7}}, {0x8}}}]}}, {{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r6}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r7}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x80}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r10}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x4, 0x1f, 0x9, 0x100}, {0x1ea, 0x7, 0x0, 0x1f}, {0x1, 0x3, 0x40}]}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffff9}}}]}}, {{0x8}, {0x100, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r11}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x10000}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r12}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x7, 0x5, 0x3f, 0x99d}, {0x64fc, 0xfd, 0x2, 0x7}, {0x2, 0x8, 0x8, 0x8001}]}}}]}}]}, 0xc34}}, 0x4000000) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1734.482256] nbd: must specify at least one socket 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) [ 1734.581497] nbd: must specify at least one socket 04:14:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1734.605930] nbd: must specify at least one socket 04:14:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000200000000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1734.700721] nbd: must specify at least one socket [ 1734.718672] nbd: must specify at least one socket 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000200000000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000200000000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1734.780643] nbd: must specify at least one socket 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000200000000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1734.802010] nbd: must specify at least one socket [ 1734.809963] nbd: must specify at least one socket 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1734.847347] nbd: must specify at least one socket 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffddbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100157037a630432f4cfe1b5e55cca710b6f2b3422cbbe25bb64134d5d835861088d19ca5dbdd421e3611b3d477345ed3534d50a988152df2932ebc5e50b775b3a8210f810a7d7e65204fddc83f0db8001dd67de59ab78a4accc835", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffddbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100157037a630432f4cfe1b5e55cca710b6f2b3422cbbe25bb64134d5d835861088d19ca5dbdd421e3611b3d477345ed3534d50a988152df2932ebc5e50b775b3a8210f810a7d7e65204fddc83f0db8001dd67de59ab78a4accc835", @ANYRES32, @ANYRES32], 0x58}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffddbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100157037a630432f4cfe1b5e55cca710b6f2b3422cbbe25bb64134d5d835861088d19ca5dbdd421e3611b3d477345ed3534d50a988152df2932ebc5e50b775b3a8210f810a7d7e65204fddc83f0db8001dd67de59ab78a4accc835", @ANYRES32, @ANYRES32], 0x58}}, 0x0) (async) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffddbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100157037a630432f4cfe1b5e55cca710b6f2b3422cbbe25bb64134d5d835861088d19ca5dbdd421e3611b3d477345ed3534d50a988152df2932ebc5e50b775b3a8210f810a7d7e65204fddc83f0db8001dd67de59ab78a4accc835", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1735.125304] nbd: must specify a size in bytes for the device 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000001c0), 0xfffffffffffff000, 0x400001) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) socketpair(0x2b, 0x1, 0x62, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000c010}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="5800000027c8d27f2db72d491eef5ba13940c331ea3ee82fa3590b30168a458caf29e209a92a0cea9cefb3fd3025cb90fa10d3e9988bb3c4ead4318f455102d0c70eeb2c596e45fb624145b3ed8777ff2be6819a804df32c5f5cc959e800e41c579314d0441a3f053ea4ee495e9490e385d8bc00a1de11f2624a160293a6d6727d5c", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1735.280860] nbd: must specify a size in bytes for the device [ 1735.296464] nbd: must specify a size in bytes for the device 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) r5 = syz_open_dev$audion(&(0x7f00000001c0), 0xfffffffffffff000, 0x400001) (async) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) socketpair(0x2b, 0x1, 0x62, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000c010}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="5800000027c8d27f2db72d491eef5ba13940c331ea3ee82fa3590b30168a458caf29e209a92a0cea9cefb3fd3025cb90fa10d3e9988bb3c4ead4318f455102d0c70eeb2c596e45fb624145b3ed8777ff2be6819a804df32c5f5cc959e800e41c579314d0441a3f053ea4ee495e9490e385d8bc00a1de11f2624a160293a6d6727d5c", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1735.386465] nbd: must specify a size in bytes for the device 04:14:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000001c0), 0xfffffffffffff000, 0x400001) (async) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) socketpair(0x2b, 0x1, 0x62, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000c010}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="5800000027c8d27f2db72d491eef5ba13940c331ea3ee82fa3590b30168a458caf29e209a92a0cea9cefb3fd3025cb90fa10d3e9988bb3c4ead4318f455102d0c70eeb2c596e45fb624145b3ed8777ff2be6819a804df32c5f5cc959e800e41c579314d0441a3f053ea4ee495e9490e385d8bc00a1de11f2624a160293a6d6727d5c", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="bec1b700", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32=r1], 0x58}}, 0x0) [ 1735.580340] nbd: must specify a size in bytes for the device 04:14:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1735.685600] nbd: must specify a size in bytes for the device 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="bec1b700", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32=r1], 0x58}}, 0x0) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1735.768267] nbd: must specify at least one socket [ 1735.774462] nbd: must specify at least one socket 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1735.828578] nbd: must specify a size in bytes for the device [ 1735.863573] nbd: must specify at least one socket 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 1735.881747] nbd: must specify at least one socket 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="bec1b700", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32=r1], 0x58}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[], 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x400c090) [ 1735.971897] nbd: must specify at least one socket 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[], 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x400c090) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[], 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x400c090) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES64=0x0, @ANYRES32], 0x58}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES64=0x0, @ANYRES32], 0x58}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES64=0x0, @ANYRES32], 0x58}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1736.655559] nbd: must specify a size in bytes for the device 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1736.712132] nbd: must specify a size in bytes for the device [ 1736.747095] nbd: must specify a size in bytes for the device 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1736.796919] nbd: must specify a size in bytes for the device [ 1736.816461] nbd: must specify a size in bytes for the device 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1736.900298] nbd: must specify a size in bytes for the device 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000001c0), 0xfffffffffffff000, 0x400001) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) socketpair(0x2b, 0x1, 0x62, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000c010}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="5800000027c8d27f2db72d491eef5ba13940c331ea3ee82fa3590b30168a458caf29e209a92a0cea9cefb3fd3025cb90fa10d3e9988bb3c4ead4318f455102d0c70eeb2c596e45fb624145b3ed8777ff2be6819a804df32c5f5cc959e800e41c579314d0441a3f053ea4ee495e9490e385d8bc00a1de11f2624a160293a6d6727d5c", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) [ 1737.363604] nbd: must specify at least one socket 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:14 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1737.489597] nbd: must specify at least one socket 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1737.594605] nbd: must specify at least one socket 04:14:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:16 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1738.797371] nbd: must specify a size in bytes for the device 04:14:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1738.917104] nbd: must specify a size in bytes for the device 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 1739.285899] nbd: must specify at least one socket 04:14:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 1739.421595] nbd: must specify at least one socket 04:14:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1739.588823] nbd: must specify at least one socket 04:14:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.251277] nbd: must specify a size in bytes for the device 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.315026] nbd: must specify at least one socket 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.382452] nbd: must specify at least one socket 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 04:14:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1740.402608] nbd: must specify a size in bytes for the device [ 1740.428782] nbd: must specify at least one socket 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.496247] nbd: must specify at least one socket 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.519084] nbd: must specify at least one socket 04:14:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1740.546166] nbd: must specify a size in bytes for the device [ 1740.565089] nbd: must specify at least one socket [ 1740.578966] nbd: must specify at least one socket 04:14:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.641791] nbd: must specify at least one socket 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1740.747968] nbd: must specify at least one socket 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1740.915032] nbd: must specify at least one socket 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1741.208185] nbd: must specify at least one socket 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1741.438490] nbd: must specify a size in bytes for the device [ 1741.456787] nbd: must specify a size in bytes for the device 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1741.536440] nbd: must specify a size in bytes for the device [ 1741.561990] nbd: must specify a size in bytes for the device 04:14:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1741.669572] nbd: must specify a size in bytes for the device [ 1741.690173] nbd: must specify a size in bytes for the device [ 1741.701875] nbd: must specify a size in bytes for the device 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) [ 1741.797861] nbd: must specify a size in bytes for the device 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1741.889007] nbd: must specify a size in bytes for the device 04:14:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x0, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1741.986660] nbd: must specify a size in bytes for the device 04:14:19 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x34, r0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40088c4}, 0x2000000) 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRESHEX=0x0, @ANYRESOCT=0x0], 0x58}}, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:19 executing program 3: r0 = gettid() sched_rr_get_interval(r0, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 1742.230806] nla_parse: 19 callbacks suppressed [ 1742.230812] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 04:14:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) r6 = syz_open_dev$audion(&(0x7f00000002c0), 0x8, 0x100) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) r9 = socket(0xb, 0x6, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)={0x5c, r11, 0x421, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xffffffffffffff99, 0xa, 'a'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4e}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYRES32], 0x58}}, 0x0) 04:14:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1742.305570] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 04:14:19 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 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$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1742.363824] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1742.399988] nbd: must specify at least one socket 04:14:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1742.474470] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1742.506468] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 04:14:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT6_INIT(0xffffffffffffffff, 0x29, 0xc8, &(0x7f0000000000), 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007a3b941a9d1ec4585fe11853d44c01ed8c0b9bf4aa0c7c3bbf2fbe3e033303c364e0f04f7e3206d0c848e364a366f744d45"], 0x58}}, 0x0) 04:14:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="72000080", @ANYRESDEC=r1, @ANYRESOCT=r0], 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.pending_reads\x00', 0xc0000, 0x91) socketpair(0x3, 0xa, 0x40, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socket$inet_udp(0x2, 0x2, 0x0) r5 = openat$incfs(0xffffffffffffff9c, &(0x7f00000001c0)='.pending_reads\x00', 0x0, 0x130) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) ioctl$SIOCX25SFACILITIES(r3, 0x89e3, &(0x7f0000000340)={0x22, 0x6, 0xb, 0x6, 0x7, 0x81}) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r6) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x78, r1, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x42e6}]}, 0x78}, 0x1, 0x0, 0x0, 0x40800}, 0x811) 04:14:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="72000080", @ANYRESDEC=r1, @ANYRESOCT=r0], 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.pending_reads\x00', 0xc0000, 0x91) socketpair(0x3, 0xa, 0x40, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socket$inet_udp(0x2, 0x2, 0x0) r5 = openat$incfs(0xffffffffffffff9c, &(0x7f00000001c0)='.pending_reads\x00', 0x0, 0x130) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) ioctl$SIOCX25SFACILITIES(r3, 0x89e3, &(0x7f0000000340)={0x22, 0x6, 0xb, 0x6, 0x7, 0x81}) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r6) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x78, r1, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x42e6}]}, 0x78}, 0x1, 0x0, 0x0, 0x40800}, 0x811) 04:14:20 executing program 5: ioctl$IOCTL_VMCI_DATAGRAM_SEND(0xffffffffffffffff, 0x7ab, &(0x7f00000006c0)={&(0x7f0000000280)={{@hyper, 0x5}, {@hyper, 0x7}, 0x400, "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"}, 0x418, 0x8000}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_mount_image$fuse(&(0x7f0000000700), &(0x7f0000000740)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)={{}, 0x2c, {'rootmode', 0x3d, 0x6000}, 0x2c, {}, 0x2c, {}, 0x2c, {[{@blksize={'blksize', 0x3d, 0x200}}, {@max_read={'max_read', 0x3d, 0xf0}}, {@default_permissions}, {@allow_other}, {@default_permissions}], [{@subj_role={'subj_role', 0x3d, '#-\''}}, {@euid_eq}, {@fsmagic={'fsmagic', 0x3d, 0x6}}]}}) getdents64(r5, &(0x7f00000008c0)=""/229, 0xe5) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYRES64=r1], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)={0x44, r6, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f}]}, 0x44}, 0x1, 0x0, 0x0, 0x4040014}, 0x4000815) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c00078008000100", @ANYRES32, @ANYBLOB='\b\x00', @ANYRES32, @ANYBLOB='\x00\x00', @ANYRES32, @ANYBLOB='\b'], 0x58}}, 0x0) 04:14:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000004}, 0x400000c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x0) 04:14:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 3: ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000180)={0x0, 0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(0xffffffffffffffff, 0x40082102, &(0x7f0000000080)=r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYRESHEX=r1, @ANYRESHEX=r4, @ANYBLOB="0100fcfffffffedbdf25010000000c00020000000000000000000c00050000000000000000002c0007"], 0x58}}, 0x1) 04:14:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) 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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r6, 0x20, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20048080}, 0xc0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x34}, 0x1, 0x0, 0x0, 0x24000004}, 0x4000000) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) 04:14:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) [ 1742.855831] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1742.883902] nbd: socks must be embedded in a SOCK_ITEM attr 04:14:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) 04:14:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1742.992526] FAULT_INJECTION: forcing a failure. [ 1742.992526] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.008641] FAULT_INJECTION: forcing a failure. [ 1743.008641] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.028162] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1743.047321] nbd: must specify at least one socket [ 1743.052315] CPU: 0 PID: 9101 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 [ 1743.060103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1743.069445] Call Trace: [ 1743.072032] dump_stack+0x1b2/0x281 [ 1743.075658] should_fail.cold+0x10a/0x149 [ 1743.079795] should_failslab+0xd6/0x130 [ 1743.083767] kmem_cache_alloc_node+0x263/0x410 [ 1743.088358] __alloc_skb+0x5c/0x510 [ 1743.091987] netlink_sendmsg+0x91e/0xbc0 [ 1743.096080] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.100037] ? kernel_recvmsg+0x210/0x210 [ 1743.104170] ? security_socket_sendmsg+0x83/0xb0 [ 1743.104929] FAULT_INJECTION: forcing a failure. [ 1743.104929] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.108913] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.108924] sock_sendmsg+0xb5/0x100 [ 1743.108935] ___sys_sendmsg+0x6c8/0x800 [ 1743.108948] ? get_pid_task+0x91/0x130 [ 1743.135585] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1743.140326] ? lock_downgrade+0x740/0x740 [ 1743.144457] ? __fget+0x23e/0x3e0 [ 1743.147895] ? lock_acquire+0x170/0x3f0 [ 1743.151859] ? lock_downgrade+0x740/0x740 [ 1743.156009] ? __fget+0x265/0x3e0 [ 1743.159469] ? __fdget+0x19b/0x1f0 [ 1743.163012] ? sockfd_lookup_light+0xb2/0x160 [ 1743.167506] __sys_sendmsg+0xa3/0x120 [ 1743.171304] ? SyS_shutdown+0x160/0x160 [ 1743.175274] ? wait_for_completion_io+0x10/0x10 [ 1743.179950] ? SyS_read+0x210/0x210 [ 1743.183600] ? __do_page_fault+0x159/0xad0 [ 1743.187831] SyS_sendmsg+0x27/0x40 [ 1743.191369] ? __sys_sendmsg+0x120/0x120 [ 1743.195424] do_syscall_64+0x1d5/0x640 [ 1743.199310] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1743.204495] RIP: 0033:0x7fc252e26279 [ 1743.208198] RSP: 002b:00007fc25179b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1743.215901] RAX: ffffffffffffffda RBX: 00007fc252f38f80 RCX: 00007fc252e26279 [ 1743.223161] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1743.230423] RBP: 00007fc25179b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1743.237685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 04:14:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1743.244948] R13: 00007fffc94907df R14: 00007fc25179b300 R15: 0000000000022000 [ 1743.255991] CPU: 1 PID: 9112 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 [ 1743.263787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1743.273130] Call Trace: [ 1743.275715] dump_stack+0x1b2/0x281 [ 1743.279344] should_fail.cold+0x10a/0x149 [ 1743.283499] should_failslab+0xd6/0x130 [ 1743.287481] kmem_cache_alloc_node+0x263/0x410 [ 1743.292065] __alloc_skb+0x5c/0x510 04:14:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) [ 1743.295697] netlink_sendmsg+0x91e/0xbc0 [ 1743.299760] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.303732] ? kernel_recvmsg+0x210/0x210 [ 1743.307876] ? security_socket_sendmsg+0x83/0xb0 [ 1743.312629] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.316597] sock_sendmsg+0xb5/0x100 [ 1743.320304] ___sys_sendmsg+0x6c8/0x800 [ 1743.324268] ? get_pid_task+0x91/0x130 [ 1743.328146] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1743.332890] ? lock_downgrade+0x740/0x740 [ 1743.337022] ? __fget+0x23e/0x3e0 [ 1743.340462] ? lock_acquire+0x170/0x3f0 [ 1743.344415] ? lock_downgrade+0x740/0x740 [ 1743.348550] ? __fget+0x265/0x3e0 [ 1743.351986] ? __fdget+0x19b/0x1f0 [ 1743.355509] ? sockfd_lookup_light+0xb2/0x160 [ 1743.359989] __sys_sendmsg+0xa3/0x120 [ 1743.363770] ? SyS_shutdown+0x160/0x160 [ 1743.367727] ? wait_for_completion_io+0x10/0x10 [ 1743.372383] ? SyS_read+0x210/0x210 [ 1743.375990] ? __do_page_fault+0x159/0xad0 [ 1743.380205] SyS_sendmsg+0x27/0x40 [ 1743.383726] ? __sys_sendmsg+0x120/0x120 [ 1743.387768] do_syscall_64+0x1d5/0x640 [ 1743.391644] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1743.396814] RIP: 0033:0x7f395bff3279 [ 1743.400509] RSP: 002b:00007f395a947168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1743.408200] RAX: ffffffffffffffda RBX: 00007f395c106050 RCX: 00007f395bff3279 [ 1743.415469] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1743.422722] RBP: 00007f395a9471d0 R08: 0000000000000000 R09: 0000000000000000 [ 1743.429976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1743.437227] R13: 00007ffdee06dc4f R14: 00007f395a947300 R15: 0000000000022000 [ 1743.444492] CPU: 0 PID: 9104 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 [ 1743.452289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1743.461634] Call Trace: [ 1743.464216] dump_stack+0x1b2/0x281 [ 1743.467841] should_fail.cold+0x10a/0x149 [ 1743.471982] should_failslab+0xd6/0x130 [ 1743.475948] kmem_cache_alloc_node+0x263/0x410 [ 1743.480534] __alloc_skb+0x5c/0x510 [ 1743.484160] netlink_sendmsg+0x91e/0xbc0 [ 1743.488229] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.492201] ? kernel_recvmsg+0x210/0x210 04:14:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1743.496348] ? security_socket_sendmsg+0x83/0xb0 [ 1743.501097] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.505020] FAULT_INJECTION: forcing a failure. [ 1743.505020] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.505068] sock_sendmsg+0xb5/0x100 [ 1743.519949] ___sys_sendmsg+0x6c8/0x800 [ 1743.523920] ? get_pid_task+0x91/0x130 [ 1743.527805] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1743.532561] ? lock_downgrade+0x740/0x740 [ 1743.536707] ? __fget+0x23e/0x3e0 [ 1743.540157] ? lock_acquire+0x170/0x3f0 [ 1743.544126] ? lock_downgrade+0x740/0x740 [ 1743.548272] ? __fget+0x265/0x3e0 [ 1743.551720] ? __fdget+0x19b/0x1f0 [ 1743.555257] ? sockfd_lookup_light+0xb2/0x160 [ 1743.559753] __sys_sendmsg+0xa3/0x120 [ 1743.563560] ? SyS_shutdown+0x160/0x160 [ 1743.567553] ? wait_for_completion_io+0x10/0x10 [ 1743.572215] ? SyS_read+0x210/0x210 [ 1743.575835] ? __do_page_fault+0x159/0xad0 [ 1743.580068] SyS_sendmsg+0x27/0x40 [ 1743.583603] ? __sys_sendmsg+0x120/0x120 [ 1743.587659] do_syscall_64+0x1d5/0x640 [ 1743.591558] entry_SYSCALL_64_after_hwframe+0x46/0xbb 04:14:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 1743.596740] RIP: 0033:0x7f50cf237279 [ 1743.600442] RSP: 002b:00007f50cdbac168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1743.608143] RAX: ffffffffffffffda RBX: 00007f50cf349f80 RCX: 00007f50cf237279 [ 1743.615420] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1743.622687] RBP: 00007f50cdbac1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1743.629951] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1743.637211] R13: 00007ffe1e08f29f R14: 00007f50cdbac300 R15: 0000000000022000 [ 1743.650394] CPU: 1 PID: 9123 Comm: syz-executor.3 Not tainted 4.14.290-syzkaller #0 [ 1743.658208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1743.667564] Call Trace: [ 1743.670153] dump_stack+0x1b2/0x281 [ 1743.673786] should_fail.cold+0x10a/0x149 [ 1743.677936] should_failslab+0xd6/0x130 [ 1743.681913] kmem_cache_alloc_node+0x263/0x410 [ 1743.686500] __alloc_skb+0x5c/0x510 [ 1743.690132] netlink_sendmsg+0x91e/0xbc0 [ 1743.694195] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.698163] ? kernel_recvmsg+0x210/0x210 [ 1743.702309] ? security_socket_sendmsg+0x83/0xb0 [ 1743.707090] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.711061] sock_sendmsg+0xb5/0x100 [ 1743.714774] ___sys_sendmsg+0x6c8/0x800 [ 1743.718748] ? get_pid_task+0x91/0x130 [ 1743.722635] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1743.727394] ? lock_downgrade+0x740/0x740 [ 1743.731543] ? __fget+0x23e/0x3e0 [ 1743.734996] ? lock_acquire+0x170/0x3f0 [ 1743.738973] ? lock_downgrade+0x740/0x740 [ 1743.743125] ? __fget+0x265/0x3e0 [ 1743.746578] ? __fdget+0x19b/0x1f0 [ 1743.750117] ? sockfd_lookup_light+0xb2/0x160 [ 1743.754610] __sys_sendmsg+0xa3/0x120 [ 1743.758408] ? SyS_shutdown+0x160/0x160 [ 1743.761055] FAULT_INJECTION: forcing a failure. [ 1743.761055] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.762377] ? wait_for_completion_io+0x10/0x10 [ 1743.762395] ? SyS_read+0x210/0x210 [ 1743.762405] ? __do_page_fault+0x159/0xad0 [ 1743.762416] SyS_sendmsg+0x27/0x40 [ 1743.762429] ? __sys_sendmsg+0x120/0x120 [ 1743.775965] FAULT_INJECTION: forcing a failure. [ 1743.775965] name failslab, interval 1, probability 0, space 0, times 0 [ 1743.778256] do_syscall_64+0x1d5/0x640 [ 1743.778273] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1743.778281] RIP: 0033:0x7f1ca14fb279 [ 1743.778289] RSP: 002b:00007f1c9fe70168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1743.825234] RAX: ffffffffffffffda RBX: 00007f1ca160df80 RCX: 00007f1ca14fb279 [ 1743.832487] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1743.839828] RBP: 00007f1c9fe701d0 R08: 0000000000000000 R09: 0000000000000000 04:14:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) 04:14:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) [ 1743.847097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1743.854352] R13: 00007ffca6dc1d4f R14: 00007f1c9fe70300 R15: 0000000000022000 [ 1743.861636] CPU: 0 PID: 9141 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 [ 1743.868332] nbd: must specify at least one socket [ 1743.869427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1743.869432] Call Trace: [ 1743.869448] dump_stack+0x1b2/0x281 [ 1743.869462] should_fail.cold+0x10a/0x149 [ 1743.893959] should_failslab+0xd6/0x130 04:14:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 1743.897939] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1743.903048] __kmalloc_node_track_caller+0x38/0x70 [ 1743.907985] __alloc_skb+0x96/0x510 [ 1743.911617] netlink_sendmsg+0x91e/0xbc0 [ 1743.915679] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.919643] ? kernel_recvmsg+0x210/0x210 [ 1743.923785] ? security_socket_sendmsg+0x83/0xb0 [ 1743.928525] ? nlmsg_notify+0x1b0/0x1b0 [ 1743.932493] sock_sendmsg+0xb5/0x100 [ 1743.936192] ___sys_sendmsg+0x6c8/0x800 [ 1743.940151] ? get_pid_task+0x91/0x130 [ 1743.944018] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1743.948759] ? lock_downgrade+0x740/0x740 [ 1743.952896] ? __fget+0x23e/0x3e0 [ 1743.956338] ? lock_acquire+0x170/0x3f0 [ 1743.960292] ? lock_downgrade+0x740/0x740 [ 1743.964434] ? __fget+0x265/0x3e0 [ 1743.967887] ? __fdget+0x19b/0x1f0 [ 1743.971424] ? sockfd_lookup_light+0xb2/0x160 [ 1743.975934] __sys_sendmsg+0xa3/0x120 [ 1743.979732] ? SyS_shutdown+0x160/0x160 [ 1743.983704] ? wait_for_completion_io+0x10/0x10 [ 1743.988382] ? SyS_read+0x210/0x210 [ 1743.992007] ? __do_page_fault+0x159/0xad0 [ 1743.996239] SyS_sendmsg+0x27/0x40 [ 1743.999774] ? __sys_sendmsg+0x120/0x120 [ 1744.003825] do_syscall_64+0x1d5/0x640 [ 1744.007706] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1744.012882] RIP: 0033:0x7fc252e26279 [ 1744.016583] RSP: 002b:00007fc25179b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1744.022785] nbd: must specify at least one socket [ 1744.024275] RAX: ffffffffffffffda RBX: 00007fc252f38f80 RCX: 00007fc252e26279 [ 1744.024282] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1744.024287] RBP: 00007fc25179b1d0 R08: 0000000000000000 R09: 0000000000000000 04:14:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) 04:14:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) [ 1744.024295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1744.058143] R13: 00007fffc94907df R14: 00007fc25179b300 R15: 0000000000022000 [ 1744.076771] CPU: 1 PID: 9142 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 [ 1744.084585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1744.093933] Call Trace: [ 1744.096493] nbd: must specify at least one socket [ 1744.096518] dump_stack+0x1b2/0x281 [ 1744.104992] should_fail.cold+0x10a/0x149 [ 1744.109145] should_failslab+0xd6/0x130 [ 1744.111424] FAULT_INJECTION: forcing a failure. [ 1744.111424] name failslab, interval 1, probability 0, space 0, times 0 [ 1744.113126] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1744.113139] __kmalloc_node_track_caller+0x38/0x70 [ 1744.113150] __alloc_skb+0x96/0x510 [ 1744.113165] netlink_sendmsg+0x91e/0xbc0 [ 1744.113180] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.113187] ? kernel_recvmsg+0x210/0x210 [ 1744.113204] ? security_socket_sendmsg+0x83/0xb0 [ 1744.154794] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.158750] sock_sendmsg+0xb5/0x100 [ 1744.162449] ___sys_sendmsg+0x6c8/0x800 [ 1744.166407] ? get_pid_task+0x91/0x130 [ 1744.170304] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1744.175050] ? lock_downgrade+0x740/0x740 [ 1744.179180] ? __fget+0x23e/0x3e0 [ 1744.182614] ? lock_acquire+0x170/0x3f0 [ 1744.186579] ? lock_downgrade+0x740/0x740 [ 1744.190717] ? __fget+0x265/0x3e0 [ 1744.194154] ? __fdget+0x19b/0x1f0 [ 1744.197681] ? sockfd_lookup_light+0xb2/0x160 [ 1744.202178] __sys_sendmsg+0xa3/0x120 [ 1744.205979] ? SyS_shutdown+0x160/0x160 [ 1744.209954] ? wait_for_completion_io+0x10/0x10 [ 1744.214631] ? SyS_read+0x210/0x210 [ 1744.218267] ? __fdget+0x167/0x1f0 [ 1744.221798] SyS_sendmsg+0x27/0x40 [ 1744.225328] ? __sys_sendmsg+0x120/0x120 [ 1744.229382] do_syscall_64+0x1d5/0x640 [ 1744.233265] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1744.238443] RIP: 0033:0x7f395bff3279 [ 1744.242140] RSP: 002b:00007f395a968168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 04:14:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) 04:14:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1744.249836] RAX: ffffffffffffffda RBX: 00007f395c105f80 RCX: 00007f395bff3279 [ 1744.250302] FAULT_INJECTION: forcing a failure. [ 1744.250302] name failslab, interval 1, probability 0, space 0, times 0 [ 1744.257091] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1744.257097] RBP: 00007f395a9681d0 R08: 0000000000000000 R09: 0000000000000000 [ 1744.257102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1744.257109] R13: 00007ffdee06dc4f R14: 00007f395a968300 R15: 0000000000022000 [ 1744.307953] CPU: 0 PID: 9154 Comm: syz-executor.3 Not tainted 4.14.290-syzkaller #0 [ 1744.315753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1744.325194] Call Trace: [ 1744.327780] dump_stack+0x1b2/0x281 [ 1744.331410] should_fail.cold+0x10a/0x149 [ 1744.335580] should_failslab+0xd6/0x130 [ 1744.339555] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1744.344663] __kmalloc_node_track_caller+0x38/0x70 [ 1744.349587] __alloc_skb+0x96/0x510 [ 1744.353216] netlink_sendmsg+0x91e/0xbc0 [ 1744.357277] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.361243] ? kernel_recvmsg+0x210/0x210 [ 1744.365395] ? security_socket_sendmsg+0x83/0xb0 [ 1744.370148] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.374118] sock_sendmsg+0xb5/0x100 [ 1744.377828] ___sys_sendmsg+0x6c8/0x800 [ 1744.381796] ? get_pid_task+0x91/0x130 [ 1744.385709] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1744.390462] ? lock_downgrade+0x740/0x740 [ 1744.394596] ? __fget+0x23e/0x3e0 [ 1744.398041] ? lock_acquire+0x170/0x3f0 [ 1744.401999] ? lock_downgrade+0x740/0x740 [ 1744.406132] ? __fget+0x265/0x3e0 [ 1744.409574] ? __fdget+0x19b/0x1f0 [ 1744.413097] ? sockfd_lookup_light+0xb2/0x160 [ 1744.417576] __sys_sendmsg+0xa3/0x120 [ 1744.421357] ? SyS_shutdown+0x160/0x160 [ 1744.425319] ? wait_for_completion_io+0x10/0x10 [ 1744.429983] ? SyS_read+0x210/0x210 [ 1744.433591] ? __do_page_fault+0x159/0xad0 [ 1744.437808] SyS_sendmsg+0x27/0x40 [ 1744.441329] ? __sys_sendmsg+0x120/0x120 [ 1744.442232] FAULT_INJECTION: forcing a failure. [ 1744.442232] name failslab, interval 1, probability 0, space 0, times 0 [ 1744.445378] do_syscall_64+0x1d5/0x640 [ 1744.445394] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1744.445402] RIP: 0033:0x7f1ca14fb279 [ 1744.445408] RSP: 002b:00007f1c9fe70168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1744.445418] RAX: ffffffffffffffda RBX: 00007f1ca160df80 RCX: 00007f1ca14fb279 [ 1744.445423] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1744.445428] RBP: 00007f1c9fe701d0 R08: 0000000000000000 R09: 0000000000000000 [ 1744.445438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 04:14:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) 04:14:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) [ 1744.445443] R13: 00007ffca6dc1d4f R14: 00007f1c9fe70300 R15: 0000000000022000 [ 1744.521784] CPU: 0 PID: 9166 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 [ 1744.529591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1744.538935] Call Trace: [ 1744.541527] dump_stack+0x1b2/0x281 [ 1744.545145] should_fail.cold+0x10a/0x149 [ 1744.549279] should_failslab+0xd6/0x130 [ 1744.553244] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1744.558346] __kmalloc_node_track_caller+0x38/0x70 [ 1744.563261] __alloc_skb+0x96/0x510 [ 1744.566871] netlink_sendmsg+0x91e/0xbc0 [ 1744.570919] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.574888] ? kernel_recvmsg+0x210/0x210 [ 1744.579038] ? security_socket_sendmsg+0x83/0xb0 [ 1744.583790] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.587773] sock_sendmsg+0xb5/0x100 [ 1744.591500] ___sys_sendmsg+0x6c8/0x800 [ 1744.595460] ? get_pid_task+0x91/0x130 [ 1744.599327] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1744.604067] ? lock_downgrade+0x740/0x740 [ 1744.608199] ? __fget+0x23e/0x3e0 [ 1744.611634] ? lock_acquire+0x170/0x3f0 [ 1744.615591] ? lock_downgrade+0x740/0x740 [ 1744.619726] ? __fget+0x265/0x3e0 [ 1744.623164] ? __fdget+0x19b/0x1f0 [ 1744.626686] ? sockfd_lookup_light+0xb2/0x160 [ 1744.631160] __sys_sendmsg+0xa3/0x120 [ 1744.634944] ? SyS_shutdown+0x160/0x160 [ 1744.638906] ? wait_for_completion_io+0x10/0x10 [ 1744.643563] ? SyS_read+0x210/0x210 [ 1744.647174] ? __do_page_fault+0x159/0xad0 [ 1744.651401] SyS_sendmsg+0x27/0x40 [ 1744.654932] ? __sys_sendmsg+0x120/0x120 [ 1744.658991] do_syscall_64+0x1d5/0x640 [ 1744.662884] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1744.668054] RIP: 0033:0x7f50cf237279 [ 1744.671745] RSP: 002b:00007f50cdb8b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1744.679435] RAX: ffffffffffffffda RBX: 00007f50cf34a050 RCX: 00007f50cf237279 [ 1744.686705] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1744.693958] RBP: 00007f50cdb8b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1744.701205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1744.708470] R13: 00007ffe1e08f29f R14: 00007f50cdb8b300 R15: 0000000000022000 [ 1744.715749] CPU: 1 PID: 9156 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 [ 1744.723552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1744.732922] Call Trace: [ 1744.735528] dump_stack+0x1b2/0x281 [ 1744.739160] should_fail.cold+0x10a/0x149 [ 1744.743310] should_failslab+0xd6/0x130 [ 1744.747289] kmem_cache_alloc_trace+0x29a/0x3d0 [ 1744.751962] nbd_alloc_config+0x5e/0x180 [ 1744.756025] nbd_genl_connect+0x40f/0x13e0 [ 1744.760283] ? nbd_xmit_timeout+0x500/0x500 [ 1744.764593] ? validate_nla+0x192/0x5e0 [ 1744.768557] ? nla_parse+0x157/0x1f0 [ 1744.772252] genl_family_rcv_msg+0x572/0xb20 [ 1744.776664] ? genl_rcv+0x40/0x40 [ 1744.780108] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1744.785551] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1744.790641] ? trace_hardirqs_on+0x10/0x10 [ 1744.794861] genl_rcv_msg+0xaf/0x140 [ 1744.798556] netlink_rcv_skb+0x125/0x390 [ 1744.802600] ? genl_family_rcv_msg+0xb20/0xb20 [ 1744.807164] ? netlink_ack+0x9a0/0x9a0 [ 1744.811038] ? lock_acquire+0x170/0x3f0 [ 1744.815006] genl_rcv+0x24/0x40 [ 1744.818269] netlink_unicast+0x437/0x610 [ 1744.822322] ? netlink_sendskb+0xd0/0xd0 [ 1744.826397] ? __check_object_size+0x179/0x230 [ 1744.830982] netlink_sendmsg+0x648/0xbc0 [ 1744.835025] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.838983] ? kernel_recvmsg+0x210/0x210 [ 1744.843120] ? security_socket_sendmsg+0x83/0xb0 [ 1744.847861] ? nlmsg_notify+0x1b0/0x1b0 [ 1744.851830] sock_sendmsg+0xb5/0x100 [ 1744.855532] ___sys_sendmsg+0x6c8/0x800 [ 1744.859492] ? get_pid_task+0x91/0x130 [ 1744.863368] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1744.868103] ? lock_downgrade+0x740/0x740 [ 1744.872229] ? __fget+0x23e/0x3e0 [ 1744.875670] ? lock_acquire+0x170/0x3f0 [ 1744.879647] ? lock_downgrade+0x740/0x740 [ 1744.883784] ? __fget+0x265/0x3e0 [ 1744.887226] ? __fdget+0x19b/0x1f0 [ 1744.890747] ? sockfd_lookup_light+0xb2/0x160 [ 1744.895221] __sys_sendmsg+0xa3/0x120 [ 1744.899007] ? SyS_shutdown+0x160/0x160 [ 1744.902968] ? wait_for_completion_io+0x10/0x10 [ 1744.907620] ? SyS_read+0x210/0x210 [ 1744.911267] ? __do_page_fault+0x159/0xad0 [ 1744.915489] SyS_sendmsg+0x27/0x40 [ 1744.919016] ? __sys_sendmsg+0x120/0x120 [ 1744.923066] do_syscall_64+0x1d5/0x640 [ 1744.926945] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1744.932123] RIP: 0033:0x7fc252e26279 [ 1744.935813] RSP: 002b:00007fc25179b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1744.943520] RAX: ffffffffffffffda RBX: 00007fc252f38f80 RCX: 00007fc252e26279 [ 1744.950781] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 04:14:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3fc6e7b1", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 4) 04:14:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 04:14:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) [ 1744.958036] RBP: 00007fc25179b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1744.965296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1744.972547] R13: 00007fffc94907df R14: 00007fc25179b300 R15: 0000000000022000 [ 1744.982793] nbd: couldn't allocate config 04:14:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3fc6e7b1", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1745.091328] FAULT_INJECTION: forcing a failure. [ 1745.091328] name failslab, interval 1, probability 0, space 0, times 0 [ 1745.134226] CPU: 0 PID: 9185 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 [ 1745.142035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1745.151382] Call Trace: [ 1745.153966] dump_stack+0x1b2/0x281 [ 1745.157594] should_fail.cold+0x10a/0x149 [ 1745.161746] should_failslab+0xd6/0x130 [ 1745.165725] kmem_cache_alloc_trace+0x29a/0x3d0 [ 1745.170395] nbd_alloc_config+0x5e/0x180 [ 1745.174453] nbd_genl_connect+0x40f/0x13e0 [ 1745.178691] ? nbd_xmit_timeout+0x500/0x500 [ 1745.183008] ? __mutex_lock+0x356/0x1310 [ 1745.187066] ? validate_nla+0x192/0x5e0 [ 1745.191038] ? nla_parse+0x157/0x1f0 [ 1745.194753] genl_family_rcv_msg+0x572/0xb20 [ 1745.199164] ? genl_rcv+0x40/0x40 [ 1745.202620] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1745.208071] ? trace_hardirqs_on+0x10/0x10 [ 1745.212311] genl_rcv_msg+0xaf/0x140 [ 1745.216032] netlink_rcv_skb+0x125/0x390 [ 1745.220094] ? genl_family_rcv_msg+0xb20/0xb20 [ 1745.224678] ? netlink_ack+0x9a0/0x9a0 [ 1745.228564] ? lock_acquire+0x170/0x3f0 [ 1745.232541] genl_rcv+0x24/0x40 [ 1745.235818] netlink_unicast+0x437/0x610 [ 1745.239885] ? netlink_sendskb+0xd0/0xd0 [ 1745.243944] ? __check_object_size+0x179/0x230 [ 1745.248524] netlink_sendmsg+0x648/0xbc0 [ 1745.252623] ? nlmsg_notify+0x1b0/0x1b0 [ 1745.256592] ? kernel_recvmsg+0x210/0x210 [ 1745.260738] ? security_socket_sendmsg+0x83/0xb0 [ 1745.265492] ? nlmsg_notify+0x1b0/0x1b0 [ 1745.269466] sock_sendmsg+0xb5/0x100 [ 1745.273180] ___sys_sendmsg+0x6c8/0x800 [ 1745.277149] ? get_pid_task+0x91/0x130 [ 1745.281033] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1745.285791] ? lock_downgrade+0x740/0x740 [ 1745.289936] ? __fget+0x23e/0x3e0 [ 1745.293389] ? lock_acquire+0x170/0x3f0 [ 1745.297363] ? lock_downgrade+0x740/0x740 [ 1745.301511] ? __fget+0x265/0x3e0 [ 1745.304966] ? __fdget+0x19b/0x1f0 [ 1745.308505] ? sockfd_lookup_light+0xb2/0x160 [ 1745.312999] __sys_sendmsg+0xa3/0x120 [ 1745.316798] ? SyS_shutdown+0x160/0x160 [ 1745.320768] ? wait_for_completion_io+0x10/0x10 [ 1745.325449] ? SyS_read+0x210/0x210 [ 1745.329071] ? __do_page_fault+0x159/0xad0 [ 1745.333303] SyS_sendmsg+0x27/0x40 [ 1745.336837] ? __sys_sendmsg+0x120/0x120 [ 1745.340898] do_syscall_64+0x1d5/0x640 [ 1745.344792] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1745.349977] RIP: 0033:0x7f50cf237279 [ 1745.353685] RSP: 002b:00007f50cdbac168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1745.361385] RAX: ffffffffffffffda RBX: 00007f50cf349f80 RCX: 00007f50cf237279 [ 1745.368646] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1745.375910] RBP: 00007f50cdbac1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1745.383170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1745.390432] R13: 00007ffe1e08f29f R14: 00007f50cdbac300 R15: 0000000000022000 04:14:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x20, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x63}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x11}, 0x40) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) [ 1745.434756] nbd: couldn't allocate config 04:14:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3fc6e7b1", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 4) 04:14:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x20, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x63}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x11}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1745.547515] nbd: must specify a size in bytes for the device [ 1745.586065] FAULT_INJECTION: forcing a failure. [ 1745.586065] name failslab, interval 1, probability 0, space 0, times 0 [ 1745.617106] CPU: 1 PID: 9217 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 [ 1745.624916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1745.634264] Call Trace: [ 1745.636855] dump_stack+0x1b2/0x281 [ 1745.640490] should_fail.cold+0x10a/0x149 [ 1745.644641] should_failslab+0xd6/0x130 [ 1745.648617] kmem_cache_alloc_node+0x263/0x410 [ 1745.653203] __alloc_skb+0x5c/0x510 [ 1745.656836] netlink_ack+0x216/0x9a0 [ 1745.660549] ? netlink_sendmsg+0xbc0/0xbc0 [ 1745.664790] netlink_rcv_skb+0x2c5/0x390 [ 1745.668881] ? genl_family_rcv_msg+0xb20/0xb20 [ 1745.673464] ? netlink_ack+0x9a0/0x9a0 [ 1745.677366] ? lock_acquire+0x170/0x3f0 [ 1745.681351] genl_rcv+0x24/0x40 [ 1745.682379] nbd: must specify a size in bytes for the device [ 1745.684630] netlink_unicast+0x437/0x610 [ 1745.684644] ? netlink_sendskb+0xd0/0xd0 [ 1745.684655] ? __check_object_size+0x179/0x230 [ 1745.684670] netlink_sendmsg+0x648/0xbc0 [ 1745.707160] ? nlmsg_notify+0x1b0/0x1b0 [ 1745.711131] ? kernel_recvmsg+0x210/0x210 [ 1745.715279] ? security_socket_sendmsg+0x83/0xb0 [ 1745.720034] ? nlmsg_notify+0x1b0/0x1b0 [ 1745.724007] sock_sendmsg+0xb5/0x100 [ 1745.727720] ___sys_sendmsg+0x6c8/0x800 [ 1745.731698] ? get_pid_task+0x91/0x130 [ 1745.735589] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1745.740355] ? lock_downgrade+0x740/0x740 [ 1745.744505] ? __fget+0x23e/0x3e0 [ 1745.747963] ? lock_acquire+0x170/0x3f0 [ 1745.751935] ? lock_downgrade+0x740/0x740 [ 1745.756080] ? __fget+0x265/0x3e0 [ 1745.759535] ? __fdget+0x19b/0x1f0 [ 1745.763073] ? sockfd_lookup_light+0xb2/0x160 [ 1745.767570] __sys_sendmsg+0xa3/0x120 [ 1745.771364] ? SyS_shutdown+0x160/0x160 [ 1745.775346] ? wait_for_completion_io+0x10/0x10 [ 1745.780018] ? SyS_read+0x210/0x210 [ 1745.783640] ? __do_page_fault+0x159/0xad0 [ 1745.787870] SyS_sendmsg+0x27/0x40 [ 1745.791406] ? __sys_sendmsg+0x120/0x120 [ 1745.795467] do_syscall_64+0x1d5/0x640 [ 1745.799356] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1745.804538] RIP: 0033:0x7f50cf237279 [ 1745.808242] RSP: 002b:00007f50cdbac168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 04:14:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000240)={'batadv0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x4c0, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x82c}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x44}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x128, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r8}, {0x1a8, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r9}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x25ca}}}]}}, {{0x8, 0x1, r10}, {0xfc, 0x2, 0x0, 0x1, [{0x84, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x54, 0x4, [{0x4, 0x2, 0x5, 0x5}, {0x1000, 0x1, 0x0, 0x100}, {0x3f, 0x9, 0xfd, 0xdef9}, {0xff, 0x0, 0x1f, 0x4f54e864}, {0x2, 0x6, 0x0, 0x7ff}, {0x5, 0x48, 0x3f, 0x3}, {0x3ff, 0x81, 0x7, 0x7ff}, {0xa3, 0x40, 0x1, 0xbaca}, {0x4, 0x6, 0xfd, 0x700000}, {0x5, 0x75, 0x5, 0x6}]}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x8, 0x4, 0x2}, {0x3, 0xc8, 0x3, 0x52}, {0x1f, 0x6, 0x80, 0x9}, {0x3f, 0x1f, 0x20, 0x7ff}, {0x4, 0x5, 0x7f, 0x3}, {0xd6b1, 0x1, 0x3f, 0x4}, {0x5, 0x0, 0xff, 0xff}, {0xd3af, 0x2e, 0x1f, 0x2}]}}}]}}]}, 0x4c0}, 0x1, 0x0, 0x0, 0x4000}, 0x2000c040) 04:14:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x20, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x63}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x11}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1745.815945] RAX: ffffffffffffffda RBX: 00007f50cf349f80 RCX: 00007f50cf237279 [ 1745.823214] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1745.830486] RBP: 00007f50cdbac1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1745.837756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1745.845023] R13: 00007ffe1e08f29f R14: 00007f50cdbac300 R15: 0000000000022000 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 5) 04:14:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYRESOCT=r2, @ANYRESOCT=r4, @ANYBLOB="212430f7e38fa96578d07eb71152b0fbac027eaf646d0b61b301203555cf689af7f011b86fa57e22804c436d57f39e7cc86c9dcb1ca8bbb38e2d6aa6326b2058f7557f24dbeffc9bea4c0864f255993cfe57e23903d88d0666d300909602b872f49c81a58f822a597dfc3fd8701a63a36005f89fa3b383f285016904baf3db8cb02ab5814de869410eb7dd977c90a8ed652587f95f22aab0ee25f220cbe8c1c95e1ae13f60486f6921abe933400b0ce1b5d72f9ab4967cad4545821c289e20bc4f9bc1766d84814eb1e7fd13", @ANYRESHEX=r5], 0x34}}, 0x24000005) r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r6, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x9000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="04002bbd7000feeadf2504000000050029080000000000002a000000000008000600", @ANYRES32=0x0, @ANYBLOB="08003b000100000008000300", @ANYRES32=0x0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) 04:14:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000240)={'batadv0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x4c0, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x82c}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x44}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x128, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r8}, {0x1a8, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r9}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x25ca}}}]}}, {{0x8, 0x1, r10}, {0xfc, 0x2, 0x0, 0x1, [{0x84, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x54, 0x4, [{0x4, 0x2, 0x5, 0x5}, {0x1000, 0x1, 0x0, 0x100}, {0x3f, 0x9, 0xfd, 0xdef9}, {0xff, 0x0, 0x1f, 0x4f54e864}, {0x2, 0x6, 0x0, 0x7ff}, {0x5, 0x48, 0x3f, 0x3}, {0x3ff, 0x81, 0x7, 0x7ff}, {0xa3, 0x40, 0x1, 0xbaca}, {0x4, 0x6, 0xfd, 0x700000}, {0x5, 0x75, 0x5, 0x6}]}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x8, 0x4, 0x2}, {0x3, 0xc8, 0x3, 0x52}, {0x1f, 0x6, 0x80, 0x9}, {0x3f, 0x1f, 0x20, 0x7ff}, {0x4, 0x5, 0x7f, 0x3}, {0xd6b1, 0x1, 0x3f, 0x4}, {0x5, 0x0, 0xff, 0xff}, {0xd3af, 0x2e, 0x1f, 0x2}]}}}]}}]}, 0x4c0}, 0x1, 0x0, 0x0, 0x4000}, 0x2000c040) 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(&(0x7f00000003c0), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000240)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000002c0)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x4c0, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x82c}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x44}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x128, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r8}, {0x1a8, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r9}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x25ca}}}]}}, {{0x8, 0x1, r10}, {0xfc, 0x2, 0x0, 0x1, [{0x84, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x54, 0x4, [{0x4, 0x2, 0x5, 0x5}, {0x1000, 0x1, 0x0, 0x100}, {0x3f, 0x9, 0xfd, 0xdef9}, {0xff, 0x0, 0x1f, 0x4f54e864}, {0x2, 0x6, 0x0, 0x7ff}, {0x5, 0x48, 0x3f, 0x3}, {0x3ff, 0x81, 0x7, 0x7ff}, {0xa3, 0x40, 0x1, 0xbaca}, {0x4, 0x6, 0xfd, 0x700000}, {0x5, 0x75, 0x5, 0x6}]}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x8, 0x4, 0x2}, {0x3, 0xc8, 0x3, 0x52}, {0x1f, 0x6, 0x80, 0x9}, {0x3f, 0x1f, 0x20, 0x7ff}, {0x4, 0x5, 0x7f, 0x3}, {0xd6b1, 0x1, 0x3f, 0x4}, {0x5, 0x0, 0xff, 0xff}, {0xd3af, 0x2e, 0x1f, 0x2}]}}}]}}]}, 0x4c0}, 0x1, 0x0, 0x0, 0x4000}, 0x2000c040) (async) [ 1746.005726] nbd: must specify a size in bytes for the device [ 1746.029246] FAULT_INJECTION: forcing a failure. [ 1746.029246] name failslab, interval 1, probability 0, space 0, times 0 [ 1746.064706] CPU: 1 PID: 9262 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 [ 1746.072510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1746.081861] Call Trace: [ 1746.084447] dump_stack+0x1b2/0x281 [ 1746.088077] should_fail.cold+0x10a/0x149 [ 1746.092231] should_failslab+0xd6/0x130 [ 1746.096209] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1746.101319] __kmalloc_node+0x38/0x70 [ 1746.105121] disk_expand_part_tbl+0x17a/0x340 [ 1746.109618] alloc_disk_node+0xf1/0x3d0 [ 1746.113593] nbd_dev_add+0x9f/0x800 [ 1746.117221] ? nbd_send_cmd+0x11f0/0x11f0 [ 1746.121374] ? ns_capable_common+0x127/0x150 [ 1746.125783] nbd_genl_connect+0x3a4/0x13e0 [ 1746.130130] ? lock_acquire+0x170/0x3f0 [ 1746.134104] ? nbd_xmit_timeout+0x500/0x500 [ 1746.138435] ? validate_nla+0x192/0x5e0 [ 1746.142459] ? nla_parse+0x157/0x1f0 [ 1746.146163] genl_family_rcv_msg+0x572/0xb20 [ 1746.150560] ? genl_rcv+0x40/0x40 [ 1746.153993] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1746.159433] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1746.164533] ? trace_hardirqs_on+0x10/0x10 [ 1746.168769] genl_rcv_msg+0xaf/0x140 [ 1746.172481] netlink_rcv_skb+0x125/0x390 [ 1746.176546] ? genl_family_rcv_msg+0xb20/0xb20 [ 1746.181131] ? netlink_ack+0x9a0/0x9a0 [ 1746.185017] ? lock_acquire+0x170/0x3f0 [ 1746.188990] genl_rcv+0x24/0x40 [ 1746.192272] netlink_unicast+0x437/0x610 [ 1746.196333] ? netlink_sendskb+0xd0/0xd0 [ 1746.200396] ? __check_object_size+0x179/0x230 [ 1746.205003] netlink_sendmsg+0x648/0xbc0 [ 1746.209063] ? nlmsg_notify+0x1b0/0x1b0 [ 1746.213029] ? kernel_recvmsg+0x210/0x210 [ 1746.217172] ? security_socket_sendmsg+0x83/0xb0 [ 1746.221920] ? nlmsg_notify+0x1b0/0x1b0 [ 1746.225889] sock_sendmsg+0xb5/0x100 [ 1746.229598] ___sys_sendmsg+0x6c8/0x800 [ 1746.233566] ? get_pid_task+0x91/0x130 [ 1746.237448] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1746.242205] ? lock_downgrade+0x740/0x740 [ 1746.246354] ? __fget+0x23e/0x3e0 [ 1746.249803] ? lock_acquire+0x170/0x3f0 [ 1746.253776] ? lock_downgrade+0x740/0x740 [ 1746.257923] ? __fget+0x265/0x3e0 [ 1746.261382] ? __fdget+0x19b/0x1f0 [ 1746.264921] ? sockfd_lookup_light+0xb2/0x160 [ 1746.269417] __sys_sendmsg+0xa3/0x120 [ 1746.273214] ? SyS_shutdown+0x160/0x160 [ 1746.277189] ? wait_for_completion_io+0x10/0x10 [ 1746.281857] ? SyS_read+0x210/0x210 [ 1746.285476] ? __do_page_fault+0x159/0xad0 [ 1746.289707] SyS_sendmsg+0x27/0x40 [ 1746.293242] ? __sys_sendmsg+0x120/0x120 [ 1746.297301] do_syscall_64+0x1d5/0x640 [ 1746.301189] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1746.306372] RIP: 0033:0x7f50cf237279 04:14:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 6) 04:14:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYRESOCT=r2, @ANYRESOCT=r4, @ANYBLOB="212430f7e38fa96578d07eb71152b0fbac027eaf646d0b61b301203555cf689af7f011b86fa57e22804c436d57f39e7cc86c9dcb1ca8bbb38e2d6aa6326b2058f7557f24dbeffc9bea4c0864f255993cfe57e23903d88d0666d300909602b872f49c81a58f822a597dfc3fd8701a63a36005f89fa3b383f285016904baf3db8cb02ab5814de869410eb7dd977c90a8ed652587f95f22aab0ee25f220cbe8c1c95e1ae13f60486f6921abe933400b0ce1b5d72f9ab4967cad4545821c289e20bc4f9bc1766d84814eb1e7fd13", @ANYRESHEX=r5], 0x34}}, 0x24000005) r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r6, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x9000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="04002bbd7000feeadf2504000000050029080000000000002a000000000008000600", @ANYRES32=0x0, @ANYBLOB="08003b000100000008000300", @ANYRES32=0x0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) syz_init_net_socket$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) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYRESOCT=r2, @ANYRESOCT=r4, @ANYBLOB="212430f7e38fa96578d07eb71152b0fbac027eaf646d0b61b301203555cf689af7f011b86fa57e22804c436d57f39e7cc86c9dcb1ca8bbb38e2d6aa6326b2058f7557f24dbeffc9bea4c0864f255993cfe57e23903d88d0666d300909602b872f49c81a58f822a597dfc3fd8701a63a36005f89fa3b383f285016904baf3db8cb02ab5814de869410eb7dd977c90a8ed652587f95f22aab0ee25f220cbe8c1c95e1ae13f60486f6921abe933400b0ce1b5d72f9ab4967cad4545821c289e20bc4f9bc1766d84814eb1e7fd13", @ANYRESHEX=r5], 0x34}}, 0x24000005) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(r6, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x9000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="04002bbd7000feeadf2504000000050029080000000000002a000000000008000600", @ANYRES32=0x0, @ANYBLOB="08003b000100000008000300", @ANYRES32=0x0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) (async) [ 1746.310073] RSP: 002b:00007f50cdbac168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1746.317773] RAX: ffffffffffffffda RBX: 00007f50cf349f80 RCX: 00007f50cf237279 [ 1746.325034] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1746.332296] RBP: 00007f50cdbac1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1746.339559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1746.346822] R13: 00007ffe1e08f29f R14: 00007f50cdbac300 R15: 0000000000022000 [ 1746.357900] nbd: failed to add new device 04:14:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000240)={'batadv0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x4c0, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x82c}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x44}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x128, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3f}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r8}, {0x1a8, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r9}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x25ca}}}]}}, {{0x8, 0x1, r10}, {0xfc, 0x2, 0x0, 0x1, [{0x84, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x54, 0x4, [{0x4, 0x2, 0x5, 0x5}, {0x1000, 0x1, 0x0, 0x100}, {0x3f, 0x9, 0xfd, 0xdef9}, {0xff, 0x0, 0x1f, 0x4f54e864}, {0x2, 0x6, 0x0, 0x7ff}, {0x5, 0x48, 0x3f, 0x3}, {0x3ff, 0x81, 0x7, 0x7ff}, {0xa3, 0x40, 0x1, 0xbaca}, {0x4, 0x6, 0xfd, 0x700000}, {0x5, 0x75, 0x5, 0x6}]}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x8, 0x4, 0x2}, {0x3, 0xc8, 0x3, 0x52}, {0x1f, 0x6, 0x80, 0x9}, {0x3f, 0x1f, 0x20, 0x7ff}, {0x4, 0x5, 0x7f, 0x3}, {0xd6b1, 0x1, 0x3f, 0x4}, {0x5, 0x0, 0xff, 0xff}, {0xd3af, 0x2e, 0x1f, 0x2}]}}}]}}]}, 0x4c0}, 0x1, 0x0, 0x0, 0x4000}, 0x2000c040) 04:14:23 executing program 0: shmat(0x0, &(0x7f0000ffe000/0x1000)=nil, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_mount_image$fuse(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x880000, &(0x7f0000000380)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000120000,user_id=', @ANYRESDEC=0x0, @ANYBLOB="2c67727dd1705f69643d", @ANYRESDEC=0xee00, @ANYBLOB=',blksize=0x0000000000001800,blksize=0x0000000000001400,blksize=0x0000000000001200,blksize=0x0000000000000000,blksize=0x0000000000001500,blksize=0x0000000000000000,blksize=0x0000000000000800,blksize=0x0000000000001000,uid<', @ANYRESDEC, @ANYBLOB=',appraise_type=imasig,measure,dont_hash,\x00']) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000022010086000c00020000bf000000000000a4c906000000000000000000440007806eefe586d46f043764545c54d2605293e5c7ac2d61500666234d5231349b6d2c12e651d88ab1ff0e121bc5fdd3cc44d56464db8789f8ddc33e36fb0c3846c6cf3131d205eaebba73e510ec49a86711ee08ae57a466000000a104b243"], 0x30}}, 0x0) 04:14:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) (async) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYRESOCT=r2, @ANYRESOCT=r4, @ANYBLOB="212430f7e38fa96578d07eb71152b0fbac027eaf646d0b61b301203555cf689af7f011b86fa57e22804c436d57f39e7cc86c9dcb1ca8bbb38e2d6aa6326b2058f7557f24dbeffc9bea4c0864f255993cfe57e23903d88d0666d300909602b872f49c81a58f822a597dfc3fd8701a63a36005f89fa3b383f285016904baf3db8cb02ab5814de869410eb7dd977c90a8ed652587f95f22aab0ee25f220cbe8c1c95e1ae13f60486f6921abe933400b0ce1b5d72f9ab4967cad4545821c289e20bc4f9bc1766d84814eb1e7fd13", @ANYRESHEX=r5], 0x34}}, 0x24000005) r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r6, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x9000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="04002bbd7000feeadf2504000000050029080000000000002a000000000008000600", @ANYRES32=0x0, @ANYBLOB="08003b000100000008000300", @ANYRES32=0x0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) 04:14:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1746.506061] nbd: must specify at least one socket 04:14:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futimesat(r3, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {r4, r5/1000+60000}}) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 04:14:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 04:14:23 executing program 0: shmat(0x0, &(0x7f0000ffe000/0x1000)=nil, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_mount_image$fuse(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x880000, &(0x7f0000000380)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000120000,user_id=', @ANYRESDEC=0x0, @ANYBLOB="2c67727dd1705f69643d", @ANYRESDEC=0xee00, @ANYBLOB=',blksize=0x0000000000001800,blksize=0x0000000000001400,blksize=0x0000000000001200,blksize=0x0000000000000000,blksize=0x0000000000001500,blksize=0x0000000000000000,blksize=0x0000000000000800,blksize=0x0000000000001000,uid<', @ANYRESDEC, @ANYBLOB=',appraise_type=imasig,measure,dont_hash,\x00']) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000022010086000c00020000bf000000000000a4c906000000000000000000440007806eefe586d46f043764545c54d2605293e5c7ac2d61500666234d5231349b6d2c12e651d88ab1ff0e121bc5fdd3cc44d56464db8789f8ddc33e36fb0c3846c6cf3131d205eaebba73e510ec49a86711ee08ae57a466000000a104b243"], 0x30}}, 0x0) 04:14:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1746.577251] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1746.600662] nbd: must specify at least one socket 04:14:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futimesat(r3, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {r4, r5/1000+60000}}) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) [ 1746.710230] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1746.726261] nbd: must specify at least one socket 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 04:14:24 executing program 0: shmat(0x0, &(0x7f0000ffe000/0x1000)=nil, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_mount_image$fuse(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x880000, &(0x7f0000000380)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000120000,user_id=', @ANYRESDEC=0x0, @ANYBLOB="2c67727dd1705f69643d", @ANYRESDEC=0xee00, @ANYBLOB=',blksize=0x0000000000001800,blksize=0x0000000000001400,blksize=0x0000000000001200,blksize=0x0000000000000000,blksize=0x0000000000001500,blksize=0x0000000000000000,blksize=0x0000000000000800,blksize=0x0000000000001000,uid<', @ANYRESDEC, @ANYBLOB=',appraise_type=imasig,measure,dont_hash,\x00']) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000022010086000c00020000bf000000000000a4c906000000000000000000440007806eefe586d46f043764545c54d2605293e5c7ac2d61500666234d5231349b6d2c12e651d88ab1ff0e121bc5fdd3cc44d56464db8789f8ddc33e36fb0c3846c6cf3131d205eaebba73e510ec49a86711ee08ae57a466000000a104b243"], 0x30}}, 0x0) 04:14:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futimesat(r3, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {r4, r5/1000+60000}}) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) [ 1746.854715] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1746.895627] nbd: must specify at least one socket 04:14:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) symlinkat(&(0x7f00000000c0)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00') inotify_add_watch(0xffffffffffffffff, 0x0, 0x0) r1 = syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {}, 0x2c, {[], [{@smackfsroot={'smackfsroot', 0x3d, 'target default\x00'}}, {@obj_role={'obj_role', 0x3d, 'target default\x00'}}]}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="304c46d1", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) r4 = syz_mount_image$ubifs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x2, 0x3, &(0x7f0000000400)=[{&(0x7f0000000340)="648550b6295398ce42e257389b92bd13b41c4aaa31070c4146fe6f275dffc221f6f45a2a479717531e8539ba9368c85d0570045a778cdc72965366d1776d7b5ef02a002c08bdb77bd2eafc18f87a6ed5f5b7cb081483857bdb2312150a39ee2851d9e1e7e56af91f2f23655c9055dd4af65a21401683a92ecf666694a8b145bbfbfd7e97428b1e6253fdb42c2087ff", 0x8f, 0x4}, {&(0x7f0000000080)="3355aeb2802d994301ce725417489989cdcb0fd44c7c1594d684684cf59a2c9f379a1c036dd9b827", 0x28, 0x6}, {&(0x7f0000000180)="699e13d783e249e9354784584feeb7e5f1e3419acfcd476c7a3a27009c4eef3ef8ee344c0f1af0ed92b8ee598e67dd2a", 0x30, 0x68f18ec6}], 0x8020, &(0x7f0000000480)={[{@no_chk_data_crc}], [{@obj_role={'obj_role', 0x3d, 'nbd\x00'}}, {@func={'func', 0x3d, 'PATH_CHECK'}}, {@smackfshat={'smackfshat', 0x3d, '-#/('}}, {@fowner_gt={'fowner>', 0xffffffffffffffff}}]}) statx(r4, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x200, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = syz_mount_image$fuse(&(0x7f0000000640), &(0x7f0000000680)='./file0\x00', 0x0, 0x0, 0x0, 0x81000, &(0x7f00000006c0)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r5}, 0x2c, {'group_id', 0x3d, r6}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x1ff}}, {@max_read={'max_read', 0x3d, 0x7ff}}, {@blksize={'blksize', 0x3d, 0x1400}}, {@blksize={'blksize', 0x3d, 0x1000}}], [{@mask={'mask', 0x3d, 'MAY_APPEND'}}, {@subj_type={'subj_type', 0x3d, '+\xca&'}}, {@pcr={'pcr', 0x3d, 0x10}}, {@uid_gt={'uid>', r5}}, {@fsmagic}, {@fowner_eq={'fowner', 0x3d, r5}}]}}) renameat(r1, &(0x7f0000000600)='./file0\x00', r7, &(0x7f0000000840)='./file0\x00') statx(r7, &(0x7f0000000880)='./file0\x00', 0x2000, 0x400, &(0x7f00000008c0)) 04:14:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 1746.916614] nbd: must specify at least one socket 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x57a, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x44001}, 0x80) 04:14:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = inotify_init1(0x800) inotify_rm_watch(r2, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x30}}, 0x0) [ 1746.992100] nbd: must specify at least one socket 04:14:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futimesat(r3, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {r4, r5/1000+60000}}) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x57a, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x44001}, 0x80) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x57a, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x44001}, 0x80) (async) 04:14:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) symlinkat(&(0x7f00000000c0)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00') inotify_add_watch(0xffffffffffffffff, 0x0, 0x0) r1 = syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {}, 0x2c, {[], [{@smackfsroot={'smackfsroot', 0x3d, 'target default\x00'}}, {@obj_role={'obj_role', 0x3d, 'target default\x00'}}]}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="304c46d1", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) r4 = syz_mount_image$ubifs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x2, 0x3, &(0x7f0000000400)=[{&(0x7f0000000340)="648550b6295398ce42e257389b92bd13b41c4aaa31070c4146fe6f275dffc221f6f45a2a479717531e8539ba9368c85d0570045a778cdc72965366d1776d7b5ef02a002c08bdb77bd2eafc18f87a6ed5f5b7cb081483857bdb2312150a39ee2851d9e1e7e56af91f2f23655c9055dd4af65a21401683a92ecf666694a8b145bbfbfd7e97428b1e6253fdb42c2087ff", 0x8f, 0x4}, {&(0x7f0000000080)="3355aeb2802d994301ce725417489989cdcb0fd44c7c1594d684684cf59a2c9f379a1c036dd9b827", 0x28, 0x6}, {&(0x7f0000000180)="699e13d783e249e9354784584feeb7e5f1e3419acfcd476c7a3a27009c4eef3ef8ee344c0f1af0ed92b8ee598e67dd2a", 0x30, 0x68f18ec6}], 0x8020, &(0x7f0000000480)={[{@no_chk_data_crc}], [{@obj_role={'obj_role', 0x3d, 'nbd\x00'}}, {@func={'func', 0x3d, 'PATH_CHECK'}}, {@smackfshat={'smackfshat', 0x3d, '-#/('}}, {@fowner_gt={'fowner>', 0xffffffffffffffff}}]}) statx(r4, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x200, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = syz_mount_image$fuse(&(0x7f0000000640), &(0x7f0000000680)='./file0\x00', 0x0, 0x0, 0x0, 0x81000, &(0x7f00000006c0)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r5}, 0x2c, {'group_id', 0x3d, r6}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x1ff}}, {@max_read={'max_read', 0x3d, 0x7ff}}, {@blksize={'blksize', 0x3d, 0x1400}}, {@blksize={'blksize', 0x3d, 0x1000}}], [{@mask={'mask', 0x3d, 'MAY_APPEND'}}, {@subj_type={'subj_type', 0x3d, '+\xca&'}}, {@pcr={'pcr', 0x3d, 0x10}}, {@uid_gt={'uid>', r5}}, {@fsmagic}, {@fowner_eq={'fowner', 0x3d, r5}}]}}) renameat(r1, &(0x7f0000000600)='./file0\x00', r7, &(0x7f0000000840)='./file0\x00') statx(r7, &(0x7f0000000880)='./file0\x00', 0x2000, 0x400, &(0x7f00000008c0)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) symlinkat(&(0x7f00000000c0)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00') (async) inotify_add_watch(0xffffffffffffffff, 0x0, 0x0) (async) syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {}, 0x2c, {[], [{@smackfsroot={'smackfsroot', 0x3d, 'target default\x00'}}, {@obj_role={'obj_role', 0x3d, 'target default\x00'}}]}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="304c46d1", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) syz_mount_image$ubifs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x2, 0x3, &(0x7f0000000400)=[{&(0x7f0000000340)="648550b6295398ce42e257389b92bd13b41c4aaa31070c4146fe6f275dffc221f6f45a2a479717531e8539ba9368c85d0570045a778cdc72965366d1776d7b5ef02a002c08bdb77bd2eafc18f87a6ed5f5b7cb081483857bdb2312150a39ee2851d9e1e7e56af91f2f23655c9055dd4af65a21401683a92ecf666694a8b145bbfbfd7e97428b1e6253fdb42c2087ff", 0x8f, 0x4}, {&(0x7f0000000080)="3355aeb2802d994301ce725417489989cdcb0fd44c7c1594d684684cf59a2c9f379a1c036dd9b827", 0x28, 0x6}, {&(0x7f0000000180)="699e13d783e249e9354784584feeb7e5f1e3419acfcd476c7a3a27009c4eef3ef8ee344c0f1af0ed92b8ee598e67dd2a", 0x30, 0x68f18ec6}], 0x8020, &(0x7f0000000480)={[{@no_chk_data_crc}], [{@obj_role={'obj_role', 0x3d, 'nbd\x00'}}, {@func={'func', 0x3d, 'PATH_CHECK'}}, {@smackfshat={'smackfshat', 0x3d, '-#/('}}, {@fowner_gt={'fowner>', 0xffffffffffffffff}}]}) (async) statx(r4, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x200, &(0x7f0000000500)) (async) syz_mount_image$fuse(&(0x7f0000000640), &(0x7f0000000680)='./file0\x00', 0x0, 0x0, 0x0, 0x81000, &(0x7f00000006c0)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r5}, 0x2c, {'group_id', 0x3d, r6}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x1ff}}, {@max_read={'max_read', 0x3d, 0x7ff}}, {@blksize={'blksize', 0x3d, 0x1400}}, {@blksize={'blksize', 0x3d, 0x1000}}], [{@mask={'mask', 0x3d, 'MAY_APPEND'}}, {@subj_type={'subj_type', 0x3d, '+\xca&'}}, {@pcr={'pcr', 0x3d, 0x10}}, {@uid_gt={'uid>', r5}}, {@fsmagic}, {@fowner_eq={'fowner', 0x3d, r5}}]}}) (async) renameat(r1, &(0x7f0000000600)='./file0\x00', r7, &(0x7f0000000840)='./file0\x00') (async) statx(r7, &(0x7f0000000880)='./file0\x00', 0x2000, 0x400, &(0x7f00000008c0)) (async) [ 1747.049613] nbd: must specify a device to reconfigure [ 1747.060119] nbd: must specify at least one socket 04:14:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = inotify_init1(0x800) inotify_rm_watch(r2, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) inotify_init1(0x800) (async) inotify_rm_watch(r2, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x30}}, 0x0) (async) 04:14:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1747.144543] nbd: must specify at least one socket [ 1747.195580] nbd: must specify a device to reconfigure [ 1747.201214] FAULT_INJECTION: forcing a failure. [ 1747.201214] name failslab, interval 1, probability 0, space 0, times 0 [ 1747.224547] nbd: must specify a device to reconfigure [ 1747.235182] CPU: 1 PID: 9442 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 [ 1747.242985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1747.252332] Call Trace: [ 1747.254920] dump_stack+0x1b2/0x281 [ 1747.258550] should_fail.cold+0x10a/0x149 [ 1747.262702] should_failslab+0xd6/0x130 [ 1747.266681] kmem_cache_alloc_node+0x263/0x410 [ 1747.271275] __alloc_skb+0x5c/0x510 [ 1747.274911] netlink_sendmsg+0x91e/0xbc0 [ 1747.278983] ? nlmsg_notify+0x1b0/0x1b0 [ 1747.282959] ? kernel_recvmsg+0x210/0x210 [ 1747.287108] ? security_socket_sendmsg+0x83/0xb0 [ 1747.291865] ? nlmsg_notify+0x1b0/0x1b0 [ 1747.295837] sock_sendmsg+0xb5/0x100 [ 1747.299550] ___sys_sendmsg+0x6c8/0x800 [ 1747.303517] ? get_pid_task+0x91/0x130 [ 1747.307400] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1747.312156] ? lock_downgrade+0x740/0x740 [ 1747.316302] ? __fget+0x23e/0x3e0 [ 1747.319764] ? lock_acquire+0x170/0x3f0 [ 1747.323726] ? lock_downgrade+0x740/0x740 [ 1747.327868] ? __fget+0x265/0x3e0 [ 1747.331311] ? __fdget+0x19b/0x1f0 [ 1747.334850] ? sockfd_lookup_light+0xb2/0x160 [ 1747.339347] __sys_sendmsg+0xa3/0x120 [ 1747.343137] ? SyS_shutdown+0x160/0x160 [ 1747.347104] ? wait_for_completion_io+0x10/0x10 [ 1747.351773] ? SyS_read+0x210/0x210 [ 1747.355395] ? __do_page_fault+0x159/0xad0 [ 1747.359624] SyS_sendmsg+0x27/0x40 [ 1747.363162] ? __sys_sendmsg+0x120/0x120 [ 1747.367222] do_syscall_64+0x1d5/0x640 [ 1747.371112] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1747.376311] RIP: 0033:0x7fe50f727279 [ 1747.380014] RSP: 002b:00007fe50e09c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1747.387716] RAX: ffffffffffffffda RBX: 00007fe50f839f80 RCX: 00007fe50f727279 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x57a, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x44001}, 0x80) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x57a, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x44001}, 0x80) (async) [ 1747.394984] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1747.402252] RBP: 00007fe50e09c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1747.409515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1747.416778] R13: 00007ffc611bd7df R14: 00007fe50e09c300 R15: 0000000000022000 [ 1747.437055] nbd: must specify at least one socket 04:14:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:14:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) symlinkat(&(0x7f00000000c0)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00') inotify_add_watch(0xffffffffffffffff, 0x0, 0x0) r1 = syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {}, 0x2c, {[], [{@smackfsroot={'smackfsroot', 0x3d, 'target default\x00'}}, {@obj_role={'obj_role', 0x3d, 'target default\x00'}}]}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="304c46d1", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) r4 = syz_mount_image$ubifs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x2, 0x3, &(0x7f0000000400)=[{&(0x7f0000000340)="648550b6295398ce42e257389b92bd13b41c4aaa31070c4146fe6f275dffc221f6f45a2a479717531e8539ba9368c85d0570045a778cdc72965366d1776d7b5ef02a002c08bdb77bd2eafc18f87a6ed5f5b7cb081483857bdb2312150a39ee2851d9e1e7e56af91f2f23655c9055dd4af65a21401683a92ecf666694a8b145bbfbfd7e97428b1e6253fdb42c2087ff", 0x8f, 0x4}, {&(0x7f0000000080)="3355aeb2802d994301ce725417489989cdcb0fd44c7c1594d684684cf59a2c9f379a1c036dd9b827", 0x28, 0x6}, {&(0x7f0000000180)="699e13d783e249e9354784584feeb7e5f1e3419acfcd476c7a3a27009c4eef3ef8ee344c0f1af0ed92b8ee598e67dd2a", 0x30, 0x68f18ec6}], 0x8020, &(0x7f0000000480)={[{@no_chk_data_crc}], [{@obj_role={'obj_role', 0x3d, 'nbd\x00'}}, {@func={'func', 0x3d, 'PATH_CHECK'}}, {@smackfshat={'smackfshat', 0x3d, '-#/('}}, {@fowner_gt={'fowner>', 0xffffffffffffffff}}]}) statx(r4, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x200, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = syz_mount_image$fuse(&(0x7f0000000640), &(0x7f0000000680)='./file0\x00', 0x0, 0x0, 0x0, 0x81000, &(0x7f00000006c0)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r5}, 0x2c, {'group_id', 0x3d, r6}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x1ff}}, {@max_read={'max_read', 0x3d, 0x7ff}}, {@blksize={'blksize', 0x3d, 0x1400}}, {@blksize={'blksize', 0x3d, 0x1000}}], [{@mask={'mask', 0x3d, 'MAY_APPEND'}}, {@subj_type={'subj_type', 0x3d, '+\xca&'}}, {@pcr={'pcr', 0x3d, 0x10}}, {@uid_gt={'uid>', r5}}, {@fsmagic}, {@fowner_eq={'fowner', 0x3d, r5}}]}}) renameat(r1, &(0x7f0000000600)='./file0\x00', r7, &(0x7f0000000840)='./file0\x00') statx(r7, &(0x7f0000000880)='./file0\x00', 0x2000, 0x400, &(0x7f00000008c0)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) symlinkat(&(0x7f00000000c0)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00') (async) inotify_add_watch(0xffffffffffffffff, 0x0, 0x0) (async) syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {}, 0x2c, {[], [{@smackfsroot={'smackfsroot', 0x3d, 'target default\x00'}}, {@obj_role={'obj_role', 0x3d, 'target default\x00'}}]}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="304c46d1", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) syz_mount_image$ubifs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x2, 0x3, &(0x7f0000000400)=[{&(0x7f0000000340)="648550b6295398ce42e257389b92bd13b41c4aaa31070c4146fe6f275dffc221f6f45a2a479717531e8539ba9368c85d0570045a778cdc72965366d1776d7b5ef02a002c08bdb77bd2eafc18f87a6ed5f5b7cb081483857bdb2312150a39ee2851d9e1e7e56af91f2f23655c9055dd4af65a21401683a92ecf666694a8b145bbfbfd7e97428b1e6253fdb42c2087ff", 0x8f, 0x4}, {&(0x7f0000000080)="3355aeb2802d994301ce725417489989cdcb0fd44c7c1594d684684cf59a2c9f379a1c036dd9b827", 0x28, 0x6}, {&(0x7f0000000180)="699e13d783e249e9354784584feeb7e5f1e3419acfcd476c7a3a27009c4eef3ef8ee344c0f1af0ed92b8ee598e67dd2a", 0x30, 0x68f18ec6}], 0x8020, &(0x7f0000000480)={[{@no_chk_data_crc}], [{@obj_role={'obj_role', 0x3d, 'nbd\x00'}}, {@func={'func', 0x3d, 'PATH_CHECK'}}, {@smackfshat={'smackfshat', 0x3d, '-#/('}}, {@fowner_gt={'fowner>', 0xffffffffffffffff}}]}) (async) statx(r4, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x200, &(0x7f0000000500)) (async) syz_mount_image$fuse(&(0x7f0000000640), &(0x7f0000000680)='./file0\x00', 0x0, 0x0, 0x0, 0x81000, &(0x7f00000006c0)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r5}, 0x2c, {'group_id', 0x3d, r6}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x1ff}}, {@max_read={'max_read', 0x3d, 0x7ff}}, {@blksize={'blksize', 0x3d, 0x1400}}, {@blksize={'blksize', 0x3d, 0x1000}}], [{@mask={'mask', 0x3d, 'MAY_APPEND'}}, {@subj_type={'subj_type', 0x3d, '+\xca&'}}, {@pcr={'pcr', 0x3d, 0x10}}, {@uid_gt={'uid>', r5}}, {@fsmagic}, {@fowner_eq={'fowner', 0x3d, r5}}]}}) (async) renameat(r1, &(0x7f0000000600)='./file0\x00', r7, &(0x7f0000000840)='./file0\x00') (async) statx(r7, &(0x7f0000000880)='./file0\x00', 0x2000, 0x400, &(0x7f00000008c0)) (async) 04:14:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = inotify_init1(0x800) inotify_rm_watch(r2, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x30}}, 0x0) [ 1747.524799] nbd: must specify a device to reconfigure 04:14:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1747.547340] FAULT_INJECTION: forcing a failure. [ 1747.547340] name failslab, interval 1, probability 0, space 0, times 0 [ 1747.548020] nbd: must specify a device to reconfigure 04:14:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00fcdbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040002000000000000000c0004000900000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_CONNINFO(r5, 0x6, 0x2, &(0x7f0000000380), &(0x7f0000000400)=0x6) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x11}, 0x1, 0x0, 0x0, 0x6000081}, 0x10) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) getsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000600)=0x2, &(0x7f0000000640)=0x2) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x50, r8, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffdb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/audio#\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x2044050}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1747.626356] CPU: 1 PID: 9481 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 [ 1747.634170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1747.643519] Call Trace: [ 1747.646106] dump_stack+0x1b2/0x281 [ 1747.649739] should_fail.cold+0x10a/0x149 [ 1747.653888] should_failslab+0xd6/0x130 [ 1747.657864] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1747.662974] __kmalloc_node_track_caller+0x38/0x70 [ 1747.667901] __alloc_skb+0x96/0x510 [ 1747.671529] netlink_sendmsg+0x91e/0xbc0 [ 1747.675592] ? nlmsg_notify+0x1b0/0x1b0 [ 1747.679562] ? kernel_recvmsg+0x210/0x210 [ 1747.683709] ? security_socket_sendmsg+0x83/0xb0 [ 1747.688457] ? nlmsg_notify+0x1b0/0x1b0 [ 1747.692420] sock_sendmsg+0xb5/0x100 [ 1747.696132] ___sys_sendmsg+0x6c8/0x800 [ 1747.700108] ? get_pid_task+0x91/0x130 [ 1747.703999] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1747.708787] ? lock_downgrade+0x740/0x740 [ 1747.712938] ? __fget+0x23e/0x3e0 [ 1747.716394] ? lock_acquire+0x170/0x3f0 [ 1747.720362] ? lock_downgrade+0x740/0x740 [ 1747.724579] ? __fget+0x265/0x3e0 [ 1747.728014] ? __fdget+0x19b/0x1f0 [ 1747.731536] ? sockfd_lookup_light+0xb2/0x160 [ 1747.736009] __sys_sendmsg+0xa3/0x120 [ 1747.739788] ? SyS_shutdown+0x160/0x160 [ 1747.743741] ? wait_for_completion_io+0x10/0x10 [ 1747.748395] ? SyS_read+0x210/0x210 [ 1747.751999] ? __do_page_fault+0x159/0xad0 [ 1747.756235] SyS_sendmsg+0x27/0x40 [ 1747.759755] ? __sys_sendmsg+0x120/0x120 [ 1747.763804] do_syscall_64+0x1d5/0x640 [ 1747.767678] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1747.772850] RIP: 0033:0x7fe50f727279 04:14:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6c6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00fcdbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040002000000000000000c0004000900000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_CONNINFO(r5, 0x6, 0x2, &(0x7f0000000380), &(0x7f0000000400)=0x6) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x11}, 0x1, 0x0, 0x0, 0x6000081}, 0x10) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) getsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000600)=0x2, &(0x7f0000000640)=0x2) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x50, r8, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffdb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/audio#\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x2044050}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00fcdbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040002000000000000000c0004000900000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) (async) getsockopt$bt_l2cap_L2CAP_CONNINFO(r5, 0x6, 0x2, &(0x7f0000000380), &(0x7f0000000400)=0x6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x11}, 0x1, 0x0, 0x0, 0x6000081}, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) getsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000600)=0x2, &(0x7f0000000640)=0x2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x50, r8, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffdb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/audio#\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x2044050}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1747.776633] RSP: 002b:00007fe50e09c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1747.784325] RAX: ffffffffffffffda RBX: 00007fe50f839f80 RCX: 00007fe50f727279 [ 1747.791569] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1747.798819] RBP: 00007fe50e09c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1747.806065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1747.813325] R13: 00007ffc611bd7df R14: 00007fe50e09c300 R15: 0000000000022000 04:14:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6c6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 1747.939305] nbd: must specify a size in bytes for the device 04:14:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) 04:14:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00fcdbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040002000000000000000c0004000900000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_CONNINFO(r5, 0x6, 0x2, &(0x7f0000000380), &(0x7f0000000400)=0x6) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x11}, 0x1, 0x0, 0x0, 0x6000081}, 0x10) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) getsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000600)=0x2, &(0x7f0000000640)=0x2) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x50, r8, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffdb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/audio#\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x2044050}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00fcdbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040002000000000000000c0004000900000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) (async) getsockopt$bt_l2cap_L2CAP_CONNINFO(r5, 0x6, 0x2, &(0x7f0000000380), &(0x7f0000000400)=0x6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x11}, 0x1, 0x0, 0x0, 0x6000081}, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) getsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000600)=0x2, &(0x7f0000000640)=0x2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x50, r8, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffdb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/audio#\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x2044050}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6c6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1748.139195] FAULT_INJECTION: forcing a failure. [ 1748.139195] name failslab, interval 1, probability 0, space 0, times 0 [ 1748.180068] CPU: 0 PID: 9575 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 [ 1748.187885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1748.197235] Call Trace: [ 1748.199822] dump_stack+0x1b2/0x281 [ 1748.203452] should_fail.cold+0x10a/0x149 [ 1748.207606] should_failslab+0xd6/0x130 [ 1748.211584] kmem_cache_alloc_trace+0x29a/0x3d0 [ 1748.216260] nbd_dev_add+0x7c/0x800 [ 1748.219887] ? nbd_send_cmd+0x11f0/0x11f0 [ 1748.224032] ? ns_capable_common+0x127/0x150 [ 1748.228441] nbd_genl_connect+0x3a4/0x13e0 [ 1748.232672] ? lock_acquire+0x170/0x3f0 [ 1748.236644] ? nbd_xmit_timeout+0x500/0x500 [ 1748.240964] ? validate_nla+0x192/0x5e0 [ 1748.244936] ? nla_parse+0x157/0x1f0 [ 1748.248649] genl_family_rcv_msg+0x572/0xb20 [ 1748.253065] ? genl_rcv+0x40/0x40 [ 1748.256519] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1748.261966] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1748.267066] ? trace_hardirqs_on+0x10/0x10 [ 1748.271308] genl_rcv_msg+0xaf/0x140 [ 1748.275022] netlink_rcv_skb+0x125/0x390 [ 1748.279080] ? genl_family_rcv_msg+0xb20/0xb20 [ 1748.283667] ? netlink_ack+0x9a0/0x9a0 [ 1748.287555] ? lock_acquire+0x170/0x3f0 [ 1748.291534] genl_rcv+0x24/0x40 [ 1748.294813] netlink_unicast+0x437/0x610 [ 1748.298905] ? netlink_sendskb+0xd0/0xd0 [ 1748.302964] ? __check_object_size+0x179/0x230 [ 1748.307549] netlink_sendmsg+0x648/0xbc0 [ 1748.311612] ? nlmsg_notify+0x1b0/0x1b0 [ 1748.315577] ? kernel_recvmsg+0x210/0x210 [ 1748.319724] ? security_socket_sendmsg+0x83/0xb0 [ 1748.324473] ? nlmsg_notify+0x1b0/0x1b0 [ 1748.328444] sock_sendmsg+0xb5/0x100 [ 1748.332152] ___sys_sendmsg+0x6c8/0x800 [ 1748.336124] ? get_pid_task+0x91/0x130 [ 1748.340003] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1748.344754] ? lock_downgrade+0x740/0x740 [ 1748.348896] ? __fget+0x23e/0x3e0 [ 1748.352343] ? lock_acquire+0x170/0x3f0 [ 1748.356316] ? lock_downgrade+0x740/0x740 [ 1748.360460] ? __fget+0x265/0x3e0 [ 1748.363914] ? __fdget+0x19b/0x1f0 [ 1748.367453] ? sockfd_lookup_light+0xb2/0x160 [ 1748.371950] __sys_sendmsg+0xa3/0x120 [ 1748.375746] ? SyS_shutdown+0x160/0x160 [ 1748.379718] ? wait_for_completion_io+0x10/0x10 [ 1748.384391] ? SyS_read+0x210/0x210 [ 1748.388014] ? __do_page_fault+0x159/0xad0 [ 1748.392247] SyS_sendmsg+0x27/0x40 [ 1748.395784] ? __sys_sendmsg+0x120/0x120 [ 1748.399841] do_syscall_64+0x1d5/0x640 [ 1748.403730] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1748.408911] RIP: 0033:0x7fe50f727279 [ 1748.412612] RSP: 002b:00007fe50e09c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1748.420318] RAX: ffffffffffffffda RBX: 00007fe50f839f80 RCX: 00007fe50f727279 [ 1748.427580] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1748.434843] RBP: 00007fe50e09c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1748.442112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1748.449373] R13: 00007ffc611bd7df R14: 00007fe50e09c300 R15: 0000000000022000 [ 1748.458493] nbd: failed to add new device 04:14:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) 04:14:25 executing program 2: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0xfffffffffffffffd, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r0, 0x40082102, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYBLOB="6b51927a28749c095b3882a61396f3ead355290782d63debc8d4cfc52bc2a447619995fbf3dc71c4bdb45c10b358a6f993c10eafb39c568fb3d86ab4a47bbaa1f53f98daf9df5c52f505c01b4aab39d3627a74165ef797c6638d3a1b4c8e74ed6977241beddd947ef8cf94241167b969517143c1b30cbfc5d5493f077c120253d95fa1f7fd7a4501c502a8bbb97178bd8334665e144e1ed0fa95c1210eec1f0a5a7002132002b356aecf", @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x8040}, 0x0) 04:14:25 executing program 5: r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r0, 0x40089416, &(0x7f0000000640)) setsockopt$MRT_PIM(r0, 0x0, 0xcf, &(0x7f0000000000), 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "f8b5ca24036aaff046a71700aaca9eac6b5a4f7000"}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 4) 04:14:25 executing program 2: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0xfffffffffffffffd, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r0, 0x40082102, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYBLOB="6b51927a28749c095b3882a61396f3ead355290782d63debc8d4cfc52bc2a447619995fbf3dc71c4bdb45c10b358a6f993c10eafb39c568fb3d86ab4a47bbaa1f53f98daf9df5c52f505c01b4aab39d3627a74165ef797c6638d3a1b4c8e74ed6977241beddd947ef8cf94241167b969517143c1b30cbfc5d5493f077c120253d95fa1f7fd7a4501c502a8bbb97178bd8334665e144e1ed0fa95c1210eec1f0a5a7002132002b356aecf", @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x8040}, 0x0) [ 1748.587420] FAULT_INJECTION: forcing a failure. [ 1748.587420] name failslab, interval 1, probability 0, space 0, times 0 [ 1748.636728] CPU: 0 PID: 9630 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 [ 1748.644558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1748.653915] Call Trace: [ 1748.656504] dump_stack+0x1b2/0x281 [ 1748.660138] should_fail.cold+0x10a/0x149 [ 1748.664290] should_failslab+0xd6/0x130 [ 1748.668266] kmem_cache_alloc_node+0x263/0x410 [ 1748.672856] __alloc_skb+0x5c/0x510 [ 1748.676486] netlink_sendmsg+0x91e/0xbc0 [ 1748.680548] ? nlmsg_notify+0x1b0/0x1b0 04:14:26 executing program 3: ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dcc0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dec0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004e0c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x4, "cdd7f0c90bd53d"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004f0c0)={0xadf, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x1, "c475034550a71a"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000500c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000502c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000504c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000506c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000508c0)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x97, "59d30563936637"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000518c0)={0x6882, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "1e25e334aecc7d"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000528c0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052cc0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000052ec0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r0}, {}, {0x0, r1}, {}, {r2, r3}, {}, {0x0, r4}, {}, {r5}, {}, {}, {r6}, {}, {r7}, {0x0, r8}, {0x0, r9}, {}, {}, {r10}, {}, {}, {}, {}, {}, {r11}, {r12}], 0x1, "f7cbbb6480ded0"}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r14) unlinkat(0xffffffffffffffff, 0x0, 0x0) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20, 0x0) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r15, @ANYBLOB="21020000000000000000010000000c00020000000000000000000c100600010000000000000004000780"], 0x30}}, 0x40080) [ 1748.684519] ? kernel_recvmsg+0x210/0x210 [ 1748.688665] ? security_socket_sendmsg+0x83/0xb0 [ 1748.693420] ? nlmsg_notify+0x1b0/0x1b0 [ 1748.697392] sock_sendmsg+0xb5/0x100 [ 1748.701103] ___sys_sendmsg+0x6c8/0x800 [ 1748.705075] ? get_pid_task+0x91/0x130 [ 1748.708958] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1748.713713] ? lock_downgrade+0x740/0x740 [ 1748.717863] ? __fget+0x23e/0x3e0 [ 1748.721316] ? lock_acquire+0x170/0x3f0 [ 1748.725287] ? lock_downgrade+0x740/0x740 [ 1748.729450] ? __fget+0x265/0x3e0 [ 1748.732915] ? __fdget+0x19b/0x1f0 [ 1748.736457] ? sockfd_lookup_light+0xb2/0x160 [ 1748.740952] __sys_sendmsg+0xa3/0x120 [ 1748.744748] ? SyS_shutdown+0x160/0x160 [ 1748.748722] ? wait_for_completion_io+0x10/0x10 [ 1748.753394] ? SyS_read+0x210/0x210 [ 1748.757019] ? __do_page_fault+0x159/0xad0 [ 1748.761259] SyS_sendmsg+0x27/0x40 [ 1748.764797] ? __sys_sendmsg+0x120/0x120 [ 1748.768852] do_syscall_64+0x1d5/0x640 [ 1748.772740] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1748.777936] RIP: 0033:0x7fdf32fd6279 04:14:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) [ 1748.781641] RSP: 002b:00007fdf3194b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1748.789344] RAX: ffffffffffffffda RBX: 00007fdf330e8f80 RCX: 00007fdf32fd6279 [ 1748.796608] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1748.803872] RBP: 00007fdf3194b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1748.811141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1748.818417] R13: 00007ffe9286986f R14: 00007fdf3194b300 R15: 0000000000022000 04:14:26 executing program 5: r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r0, 0x40089416, &(0x7f0000000640)) (async) setsockopt$MRT_PIM(r0, 0x0, 0xcf, &(0x7f0000000000), 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "f8b5ca24036aaff046a71700aaca9eac6b5a4f7000"}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1748.866159] FAULT_INJECTION: forcing a failure. [ 1748.866159] name failslab, interval 1, probability 0, space 0, times 0 [ 1748.878713] CPU: 0 PID: 9636 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 [ 1748.886510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1748.895855] Call Trace: [ 1748.898438] dump_stack+0x1b2/0x281 [ 1748.902072] should_fail.cold+0x10a/0x149 [ 1748.906219] should_failslab+0xd6/0x130 [ 1748.910187] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1748.915289] alloc_disk_node+0x5d/0x3d0 [ 1748.919262] nbd_dev_add+0x9f/0x800 [ 1748.922882] ? nbd_send_cmd+0x11f0/0x11f0 [ 1748.927036] ? ns_capable_common+0x127/0x150 [ 1748.931445] nbd_genl_connect+0x3a4/0x13e0 [ 1748.935682] ? nbd_xmit_timeout+0x500/0x500 [ 1748.939331] FAULT_INJECTION: forcing a failure. [ 1748.939331] name failslab, interval 1, probability 0, space 0, times 0 [ 1748.939995] ? __mutex_lock+0x356/0x1310 [ 1748.955240] ? validate_nla+0x192/0x5e0 [ 1748.959215] ? nla_parse+0x157/0x1f0 [ 1748.962926] genl_family_rcv_msg+0x572/0xb20 [ 1748.967325] ? genl_rcv+0x40/0x40 [ 1748.970762] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1748.976202] ? trace_hardirqs_on+0x10/0x10 [ 1748.980435] genl_rcv_msg+0xaf/0x140 [ 1748.984147] netlink_rcv_skb+0x125/0x390 [ 1748.988204] ? genl_family_rcv_msg+0xb20/0xb20 [ 1748.992784] ? netlink_ack+0x9a0/0x9a0 [ 1748.996666] ? lock_acquire+0x170/0x3f0 [ 1749.000643] genl_rcv+0x24/0x40 [ 1749.003918] netlink_unicast+0x437/0x610 [ 1749.007971] ? netlink_sendskb+0xd0/0xd0 [ 1749.012026] ? __check_object_size+0x179/0x230 [ 1749.016599] netlink_sendmsg+0x648/0xbc0 [ 1749.020645] ? nlmsg_notify+0x1b0/0x1b0 [ 1749.024604] ? kernel_recvmsg+0x210/0x210 [ 1749.028741] ? security_socket_sendmsg+0x83/0xb0 [ 1749.033486] ? nlmsg_notify+0x1b0/0x1b0 [ 1749.037452] sock_sendmsg+0xb5/0x100 [ 1749.041155] ___sys_sendmsg+0x6c8/0x800 [ 1749.045116] ? get_pid_task+0x91/0x130 [ 1749.048992] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1749.053767] ? lock_downgrade+0x740/0x740 [ 1749.057932] ? __fget+0x23e/0x3e0 [ 1749.061380] ? lock_acquire+0x170/0x3f0 [ 1749.065341] ? lock_downgrade+0x740/0x740 [ 1749.069476] ? __fget+0x265/0x3e0 [ 1749.072923] ? __fdget+0x19b/0x1f0 [ 1749.076452] ? sockfd_lookup_light+0xb2/0x160 [ 1749.080930] __sys_sendmsg+0xa3/0x120 [ 1749.084719] ? SyS_shutdown+0x160/0x160 [ 1749.088681] ? wait_for_completion_io+0x10/0x10 [ 1749.093348] ? SyS_read+0x210/0x210 [ 1749.096971] ? __do_page_fault+0x159/0xad0 [ 1749.101196] SyS_sendmsg+0x27/0x40 [ 1749.104730] ? __sys_sendmsg+0x120/0x120 [ 1749.108778] do_syscall_64+0x1d5/0x640 [ 1749.112661] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1749.117840] RIP: 0033:0x7fe50f727279 [ 1749.121536] RSP: 002b:00007fe50e09c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1749.129233] RAX: ffffffffffffffda RBX: 00007fe50f839f80 RCX: 00007fe50f727279 [ 1749.136489] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1749.143743] RBP: 00007fe50e09c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1749.151002] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1749.158278] R13: 00007ffc611bd7df R14: 00007fe50e09c300 R15: 0000000000022000 04:14:26 executing program 3: ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dcc0)={0x0, ""/256, 0x0, 0x0}) (async, rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dec0)={0x0, ""/256, 0x0, 0x0}) (rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004e0c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x4, "cdd7f0c90bd53d"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004f0c0)={0xadf, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x1, "c475034550a71a"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000500c0)={0x0, ""/256, 0x0, 0x0}) (async, rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000502c0)={0x0}) (async, rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000504c0)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000506c0)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000508c0)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x97, "59d30563936637"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000518c0)={0x6882, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "1e25e334aecc7d"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000528c0)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052cc0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000052ec0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r0}, {}, {0x0, r1}, {}, {r2, r3}, {}, {0x0, r4}, {}, {r5}, {}, {}, {r6}, {}, {r7}, {0x0, r8}, {0x0, r9}, {}, {}, {r10}, {}, {}, {}, {}, {}, {r11}, {r12}], 0x1, "f7cbbb6480ded0"}) (async, rerun: 32) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r14) (async) unlinkat(0xffffffffffffffff, 0x0, 0x0) (async) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20, 0x0) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r15, @ANYBLOB="21020000000000000000010000000c00020000000000000000000c100600010000000000000004000780"], 0x30}}, 0x40080) [ 1749.166080] nbd: failed to add new device 04:14:26 executing program 5: r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r0, 0x40089416, &(0x7f0000000640)) (async) setsockopt$MRT_PIM(r0, 0x0, 0xcf, &(0x7f0000000000), 0x4) (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$nbd(&(0x7f0000000140), r2) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "f8b5ca24036aaff046a71700aaca9eac6b5a4f7000"}) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (rerun: 32) 04:14:26 executing program 2: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0xfffffffffffffffd, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r0, 0x40082102, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYBLOB="6b51927a28749c095b3882a61396f3ead355290782d63debc8d4cfc52bc2a447619995fbf3dc71c4bdb45c10b358a6f993c10eafb39c568fb3d86ab4a47bbaa1f53f98daf9df5c52f505c01b4aab39d3627a74165ef797c6638d3a1b4c8e74ed6977241beddd947ef8cf94241167b969517143c1b30cbfc5d5493f077c120253d95fa1f7fd7a4501c502a8bbb97178bd8334665e144e1ed0fa95c1210eec1f0a5a7002132002b356aecf", @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x8040}, 0x0) syz_open_dev$audion(&(0x7f00000004c0), 0xfffffffffffffffd, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r0, 0x40082102, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYBLOB="6b51927a28749c095b3882a61396f3ead355290782d63debc8d4cfc52bc2a447619995fbf3dc71c4bdb45c10b358a6f993c10eafb39c568fb3d86ab4a47bbaa1f53f98daf9df5c52f505c01b4aab39d3627a74165ef797c6638d3a1b4c8e74ed6977241beddd947ef8cf94241167b969517143c1b30cbfc5d5493f077c120253d95fa1f7fd7a4501c502a8bbb97178bd8334665e144e1ed0fa95c1210eec1f0a5a7002132002b356aecf", @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x8040}, 0x0) (async) 04:14:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 5) [ 1749.232312] CPU: 1 PID: 9666 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 [ 1749.240130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1749.249485] Call Trace: [ 1749.252078] dump_stack+0x1b2/0x281 [ 1749.255711] should_fail.cold+0x10a/0x149 [ 1749.259873] should_failslab+0xd6/0x130 [ 1749.263860] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1749.268970] __kmalloc_node_track_caller+0x38/0x70 [ 1749.273901] __alloc_skb+0x96/0x510 [ 1749.277561] netlink_sendmsg+0x91e/0xbc0 [ 1749.281628] ? nlmsg_notify+0x1b0/0x1b0 [ 1749.284880] FAULT_INJECTION: forcing a failure. [ 1749.284880] name failslab, interval 1, probability 0, space 0, times 0 [ 1749.285594] ? kernel_recvmsg+0x210/0x210 [ 1749.285609] ? security_socket_sendmsg+0x83/0xb0 [ 1749.285624] ? nlmsg_notify+0x1b0/0x1b0 [ 1749.309634] sock_sendmsg+0xb5/0x100 [ 1749.313344] ___sys_sendmsg+0x6c8/0x800 [ 1749.317317] ? get_pid_task+0x91/0x130 [ 1749.321268] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1749.326019] ? lock_downgrade+0x740/0x740 [ 1749.330159] ? __fget+0x23e/0x3e0 [ 1749.333610] ? lock_acquire+0x170/0x3f0 [ 1749.337581] ? lock_downgrade+0x740/0x740 [ 1749.341722] ? __fget+0x265/0x3e0 [ 1749.345175] ? __fdget+0x19b/0x1f0 [ 1749.348717] ? sockfd_lookup_light+0xb2/0x160 [ 1749.353213] __sys_sendmsg+0xa3/0x120 [ 1749.357009] ? SyS_shutdown+0x160/0x160 [ 1749.360980] ? wait_for_completion_io+0x10/0x10 [ 1749.365646] ? SyS_read+0x210/0x210 [ 1749.369266] ? __do_page_fault+0x159/0xad0 [ 1749.373498] SyS_sendmsg+0x27/0x40 [ 1749.377027] ? __sys_sendmsg+0x120/0x120 [ 1749.381082] do_syscall_64+0x1d5/0x640 [ 1749.384975] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1749.390157] RIP: 0033:0x7fdf32fd6279 [ 1749.393849] RSP: 002b:00007fdf3192a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1749.401544] RAX: ffffffffffffffda RBX: 00007fdf330e9050 RCX: 00007fdf32fd6279 [ 1749.408805] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1749.416085] RBP: 00007fdf3192a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1749.423345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 04:14:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r2, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000001000)={0x484, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0x130, 0x2, 0x0, 0x1, [{0x6c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x3c, 0x4, [{0x3, 0x7f, 0x1, 0x8}, {0x2, 0xff, 0x5, 0x1e}, {0x0, 0x3, 0x1}, {0xfffe, 0x3, 0x28, 0x7}, {0x3, 0xb9, 0x1f, 0x3}, {0x200, 0x7, 0x8, 0xffffffff}, {0x800, 0x0, 0x7f, 0xf65}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x4b8d, 0x3, 0x1, 0x20}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x110, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x100}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x7, 0xae, 0x7f, 0x3}, {0x8, 0x0, 0xe1, 0x7f}, {0x8, 0x7, 0x1, 0x6}, {0x5, 0xfa, 0x0, 0x7}, {0x7, 0x8, 0x8, 0x7}]}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x1d4, 0x2, 0x0, 0x1, [{0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x1, 0x7f, 0x53, 0x6}, {0x3, 0xff, 0x8, 0xfffff70a}, {0x7fff, 0x0, 0x2, 0x6}, {0x1, 0x1, 0x81, 0x14a}, {0x8000, 0xff, 0x6d, 0x6}]}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x0, 0x1, 0x40, 0x1}, {0xffff, 0x0, 0x1, 0x4}, {0x1d42, 0x1f, 0x20, 0xff}, {0x81, 0x0, 0x4, 0xfffffffc}, {0xc93, 0x40, 0x80, 0xffffffff}, {0xff, 0x1, 0x2, 0xfffffffc}, {0x903, 0x7, 0x2, 0xf1}, {0xfeff, 0xa2, 0x80, 0x4}]}}}]}}]}, 0x484}}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'lo\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000001c0)={'batadv_slave_1\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_NOOP(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f00000014c0)={0x37c, 0x0, 0x800, 0x70bd27, 0x25dfdbfc, {}, [{{0x8, 0x1, r3}, {0x134, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r10}}}, {0x34, 0x1, @name={{}, {}, {0x0, 0x4, 'broadcast\x00'}}}]}}, {{0x8, 0x1, r3}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_hash_stats={{{0x59}, {0x5}, {0x8, 0x4, 0xef0}}, {0x8}}}]}}, {{0x8}, {0x11c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xd0}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @activeport={{}, {}, {0x0, 0x4, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}]}, 0x37c}, 0x1, 0x0, 0x0, 0x8000}, 0xa0c0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) [ 1749.430605] R13: 00007ffe9286986f R14: 00007fdf3192a300 R15: 0000000000022000 [ 1749.437870] CPU: 0 PID: 9694 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 [ 1749.445664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1749.455011] Call Trace: [ 1749.457596] dump_stack+0x1b2/0x281 [ 1749.461227] should_fail.cold+0x10a/0x149 [ 1749.465375] should_failslab+0xd6/0x130 [ 1749.469350] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1749.474456] __kmalloc_node_track_caller+0x38/0x70 [ 1749.479386] __alloc_skb+0x96/0x510 [ 1749.483018] netlink_ack+0x216/0x9a0 [ 1749.486731] ? netlink_sendmsg+0xbc0/0xbc0 [ 1749.490979] netlink_rcv_skb+0x2c5/0x390 [ 1749.495039] ? genl_family_rcv_msg+0xb20/0xb20 [ 1749.499621] ? netlink_ack+0x9a0/0x9a0 [ 1749.503510] ? lock_acquire+0x170/0x3f0 [ 1749.507487] genl_rcv+0x24/0x40 [ 1749.510767] netlink_unicast+0x437/0x610 [ 1749.514831] ? netlink_sendskb+0xd0/0xd0 [ 1749.518890] ? __check_object_size+0x179/0x230 [ 1749.523475] netlink_sendmsg+0x648/0xbc0 [ 1749.527550] ? nlmsg_notify+0x1b0/0x1b0 04:14:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) [ 1749.531523] ? kernel_recvmsg+0x210/0x210 [ 1749.535670] ? security_socket_sendmsg+0x83/0xb0 [ 1749.540426] ? nlmsg_notify+0x1b0/0x1b0 [ 1749.544396] sock_sendmsg+0xb5/0x100 [ 1749.548109] ___sys_sendmsg+0x6c8/0x800 [ 1749.552168] ? get_pid_task+0x91/0x130 [ 1749.556056] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1749.560810] ? lock_downgrade+0x740/0x740 [ 1749.564954] ? __fget+0x23e/0x3e0 [ 1749.568407] ? lock_acquire+0x170/0x3f0 [ 1749.572380] ? lock_downgrade+0x740/0x740 [ 1749.576531] ? __fget+0x265/0x3e0 [ 1749.579988] ? __fdget+0x19b/0x1f0 [ 1749.583531] ? sockfd_lookup_light+0xb2/0x160 [ 1749.588029] __sys_sendmsg+0xa3/0x120 [ 1749.591830] ? SyS_shutdown+0x160/0x160 [ 1749.595804] ? wait_for_completion_io+0x10/0x10 [ 1749.600478] ? SyS_read+0x210/0x210 [ 1749.604108] ? __do_page_fault+0x159/0xad0 [ 1749.608340] SyS_sendmsg+0x27/0x40 [ 1749.611878] ? __sys_sendmsg+0x120/0x120 [ 1749.615936] do_syscall_64+0x1d5/0x640 [ 1749.619825] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1749.625008] RIP: 0033:0x7fe50f727279 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0x60}}, 0x0) 04:14:27 executing program 3: ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dcc0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dec0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004e0c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x4, "cdd7f0c90bd53d"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004f0c0)={0xadf, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x1, "c475034550a71a"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000500c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000502c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000504c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000506c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000508c0)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x97, "59d30563936637"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000518c0)={0x6882, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "1e25e334aecc7d"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000528c0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052cc0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000052ec0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r0}, {}, {0x0, r1}, {}, {r2, r3}, {}, {0x0, r4}, {}, {r5}, {}, {}, {r6}, {}, {r7}, {0x0, r8}, {0x0, r9}, {}, {}, {r10}, {}, {}, {}, {}, {}, {r11}, {r12}], 0x1, "f7cbbb6480ded0"}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r14) unlinkat(0xffffffffffffffff, 0x0, 0x0) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20, 0x0) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r15, @ANYBLOB="21020000000000000000010000000c00020000000000000000000c100600010000000000000004000780"], 0x30}}, 0x40080) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dcc0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004dec0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004e0c0)={0x0, [], 0x4, "cdd7f0c90bd53d"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004f0c0)={0xadf, [], 0x1, "c475034550a71a"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000500c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000502c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000504c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000506c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000508c0)={0x1, [], 0x97, "59d30563936637"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000518c0)={0x6882, [], 0x8, "1e25e334aecc7d"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000528c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052ac0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052cc0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000052ec0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r0}, {}, {0x0, r1}, {}, {r2, r3}, {}, {0x0, r4}, {}, {r5}, {}, {}, {r6}, {}, {r7}, {0x0, r8}, {0x0, r9}, {}, {}, {r10}, {}, {}, {}, {}, {}, {r11}, {r12}], 0x1, "f7cbbb6480ded0"}) (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$nbd(&(0x7f0000000140), r14) (async) unlinkat(0xffffffffffffffff, 0x0, 0x0) (async) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r15, @ANYBLOB="21020000000000000000010000000c00020000000000000000000c100600010000000000000004000780"], 0x30}}, 0x40080) (async) [ 1749.628705] RSP: 002b:00007fe50e09c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1749.636397] RAX: ffffffffffffffda RBX: 00007fe50f839f80 RCX: 00007fe50f727279 [ 1749.643648] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1749.651022] RBP: 00007fe50e09c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1749.658276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1749.665528] R13: 00007ffc611bd7df R14: 00007fe50e09c300 R15: 0000000000022000 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 6) 04:14:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r2, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000001000)={0x484, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0x130, 0x2, 0x0, 0x1, [{0x6c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x3c, 0x4, [{0x3, 0x7f, 0x1, 0x8}, {0x2, 0xff, 0x5, 0x1e}, {0x0, 0x3, 0x1}, {0xfffe, 0x3, 0x28, 0x7}, {0x3, 0xb9, 0x1f, 0x3}, {0x200, 0x7, 0x8, 0xffffffff}, {0x800, 0x0, 0x7f, 0xf65}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x4b8d, 0x3, 0x1, 0x20}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x110, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x100}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x7, 0xae, 0x7f, 0x3}, {0x8, 0x0, 0xe1, 0x7f}, {0x8, 0x7, 0x1, 0x6}, {0x5, 0xfa, 0x0, 0x7}, {0x7, 0x8, 0x8, 0x7}]}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x1d4, 0x2, 0x0, 0x1, [{0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x1, 0x7f, 0x53, 0x6}, {0x3, 0xff, 0x8, 0xfffff70a}, {0x7fff, 0x0, 0x2, 0x6}, {0x1, 0x1, 0x81, 0x14a}, {0x8000, 0xff, 0x6d, 0x6}]}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x0, 0x1, 0x40, 0x1}, {0xffff, 0x0, 0x1, 0x4}, {0x1d42, 0x1f, 0x20, 0xff}, {0x81, 0x0, 0x4, 0xfffffffc}, {0xc93, 0x40, 0x80, 0xffffffff}, {0xff, 0x1, 0x2, 0xfffffffc}, {0x903, 0x7, 0x2, 0xf1}, {0xfeff, 0xa2, 0x80, 0x4}]}}}]}}]}, 0x484}}, 0x0) (async, rerun: 64) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'lo\x00', 0x0}) (rerun: 64) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000001c0)={'batadv_slave_1\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async, rerun: 64) r8 = socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_NOOP(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f00000014c0)={0x37c, 0x0, 0x800, 0x70bd27, 0x25dfdbfc, {}, [{{0x8, 0x1, r3}, {0x134, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r10}}}, {0x34, 0x1, @name={{}, {}, {0x0, 0x4, 'broadcast\x00'}}}]}}, {{0x8, 0x1, r3}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_hash_stats={{{0x59}, {0x5}, {0x8, 0x4, 0xef0}}, {0x8}}}]}}, {{0x8}, {0x11c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xd0}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @activeport={{}, {}, {0x0, 0x4, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}]}, 0x37c}, 0x1, 0x0, 0x0, 0x8000}, 0xa0c0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r3, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x8800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = socket(0x26, 0x1, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x60, r5, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x810) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r7, 0x400, 0x70bd29, 0x21dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000054}, 0x8080) inotify_rm_watch(0xffffffffffffffff, 0x0) [ 1749.740186] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1749.770675] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 04:14:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) [ 1749.783769] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1749.792622] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1749.801308] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1749.810350] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000), 0xa02, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) getsockopt$inet6_udp_int(0xffffffffffffffff, 0x11, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="03000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0x60}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0x60}}, 0x0) (async) 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r2, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000001000)={0x484, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0x130, 0x2, 0x0, 0x1, [{0x6c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x3c, 0x4, [{0x3, 0x7f, 0x1, 0x8}, {0x2, 0xff, 0x5, 0x1e}, {0x0, 0x3, 0x1}, {0xfffe, 0x3, 0x28, 0x7}, {0x3, 0xb9, 0x1f, 0x3}, {0x200, 0x7, 0x8, 0xffffffff}, {0x800, 0x0, 0x7f, 0xf65}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x4b8d, 0x3, 0x1, 0x20}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x110, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x100}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x7, 0xae, 0x7f, 0x3}, {0x8, 0x0, 0xe1, 0x7f}, {0x8, 0x7, 0x1, 0x6}, {0x5, 0xfa, 0x0, 0x7}, {0x7, 0x8, 0x8, 0x7}]}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x1d4, 0x2, 0x0, 0x1, [{0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x1, 0x7f, 0x53, 0x6}, {0x3, 0xff, 0x8, 0xfffff70a}, {0x7fff, 0x0, 0x2, 0x6}, {0x1, 0x1, 0x81, 0x14a}, {0x8000, 0xff, 0x6d, 0x6}]}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x0, 0x1, 0x40, 0x1}, {0xffff, 0x0, 0x1, 0x4}, {0x1d42, 0x1f, 0x20, 0xff}, {0x81, 0x0, 0x4, 0xfffffffc}, {0xc93, 0x40, 0x80, 0xffffffff}, {0xff, 0x1, 0x2, 0xfffffffc}, {0x903, 0x7, 0x2, 0xf1}, {0xfeff, 0xa2, 0x80, 0x4}]}}}]}}]}, 0x484}}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'lo\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000001c0)={'batadv_slave_1\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_NOOP(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f00000014c0)={0x37c, 0x0, 0x800, 0x70bd27, 0x25dfdbfc, {}, [{{0x8, 0x1, r3}, {0x134, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r10}}}, {0x34, 0x1, @name={{}, {}, {0x0, 0x4, 'broadcast\x00'}}}]}}, {{0x8, 0x1, r3}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_hash_stats={{{0x59}, {0x5}, {0x8, 0x4, 0xef0}}, {0x8}}}]}}, {{0x8}, {0x11c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xd0}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @activeport={{}, {}, {0x0, 0x4, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}]}, 0x37c}, 0x1, 0x0, 0x0, 0x8000}, 0xa0c0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(r2, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000001000)={0x484, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0x130, 0x2, 0x0, 0x1, [{0x6c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x3c, 0x4, [{0x3, 0x7f, 0x1, 0x8}, {0x2, 0xff, 0x5, 0x1e}, {0x0, 0x3, 0x1}, {0xfffe, 0x3, 0x28, 0x7}, {0x3, 0xb9, 0x1f, 0x3}, {0x200, 0x7, 0x8, 0xffffffff}, {0x800, 0x0, 0x7f, 0xf65}]}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x4b8d, 0x3, 0x1, 0x20}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0x110, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x100}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x7, 0xae, 0x7f, 0x3}, {0x8, 0x0, 0xe1, 0x7f}, {0x8, 0x7, 0x1, 0x6}, {0x5, 0xfa, 0x0, 0x7}, {0x7, 0x8, 0x8, 0x7}]}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x1d4, 0x2, 0x0, 0x1, [{0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x2c, 0x4, [{0x1, 0x7f, 0x53, 0x6}, {0x3, 0xff, 0x8, 0xfffff70a}, {0x7fff, 0x0, 0x2, 0x6}, {0x1, 0x1, 0x81, 0x14a}, {0x8000, 0xff, 0x6d, 0x6}]}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x74, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x44, 0x4, [{0x0, 0x1, 0x40, 0x1}, {0xffff, 0x0, 0x1, 0x4}, {0x1d42, 0x1f, 0x20, 0xff}, {0x81, 0x0, 0x4, 0xfffffffc}, {0xc93, 0x40, 0x80, 0xffffffff}, {0xff, 0x1, 0x2, 0xfffffffc}, {0x903, 0x7, 0x2, 0xf1}, {0xfeff, 0xa2, 0x80, 0x4}]}}}]}}]}, 0x484}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'lo\x00'}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000001c0)={'batadv_slave_1\x00'}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$TEAM_CMD_NOOP(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f00000014c0)={0x37c, 0x0, 0x800, 0x70bd27, 0x25dfdbfc, {}, [{{0x8, 0x1, r3}, {0x134, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r10}}}, {0x34, 0x1, @name={{}, {}, {0x0, 0x4, 'broadcast\x00'}}}]}}, {{0x8, 0x1, r3}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_hash_stats={{{0x59}, {0x5}, {0x8, 0x4, 0xef0}}, {0x8}}}]}}, {{0x8}, {0x11c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xd0}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @activeport={{}, {}, {0x0, 0x4, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}]}}]}, 0x37c}, 0x1, 0x0, 0x0, 0x8000}, 0xa0c0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) [ 1749.838473] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1749.853154] nbd: must specify at least one socket [ 1749.876347] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.4'. 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000040)='.pending_reads\x00', 0x10000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 1749.912537] nbd: must specify at least one socket 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000), 0xa02, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) getsockopt$inet6_udp_int(0xffffffffffffffff, 0x11, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="03000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:27 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004001}, 0xc5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x40040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="ff02505e9853e0a60c216864cd7cae0494a577ad3b26a18092927ffe62fed4110240daabd354554d834c125c7c1ad453ea5a8d49db453254274baba74de191e99abcf946076f5943521bb231963e5d92f6e1bd625cd26e1044938a89f941079b9286e458411c6ea2e3ab7263cd2f43f7167fb7b06a47", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (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$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r3, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x8800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async, rerun: 64) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) (async, rerun: 32) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r10 = socket(0x26, 0x1, 0x0) (rerun: 32) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x60, r5, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x810) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r8) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r7, 0x400, 0x70bd29, 0x21dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000054}, 0x8080) inotify_rm_watch(0xffffffffffffffff, 0x0) 04:14:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000000000f0aedd547752532bc37e360000000c000600010000000000000004000780"], 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 64) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 64) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0x60}}, 0x0) [ 1749.980630] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.000744] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 04:14:27 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004001}, 0xc5) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x40040) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="ff02505e9853e0a60c216864cd7cae0494a577ad3b26a18092927ffe62fed4110240daabd354554d834c125c7c1ad453ea5a8d49db453254274baba74de191e99abcf946076f5943521bb231963e5d92f6e1bd625cd26e1044938a89f941079b9286e458411c6ea2e3ab7263cd2f43f7167fb7b06a47", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 32) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000040)='.pending_reads\x00', 0x10000, 0x0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000), 0xa02, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) getsockopt$inet6_udp_int(0xffffffffffffffff, 0x11, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="03000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) [ 1750.114332] nbd: must specify at least one socket 04:14:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000000000f0aedd547752532bc37e360000000c000600010000000000000004000780"], 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000000000f0aedd547752532bc37e360000000c000600010000000000000004000780"], 0x30}}, 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(&(0x7f00000003c0), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) (async) 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004001}, 0xc5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x40040) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="ff02505e9853e0a60c216864cd7cae0494a577ad3b26a18092927ffe62fed4110240daabd354554d834c125c7c1ad453ea5a8d49db453254274baba74de191e99abcf946076f5943521bb231963e5d92f6e1bd625cd26e1044938a89f941079b9286e458411c6ea2e3ab7263cd2f43f7167fb7b06a47", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000040)='.pending_reads\x00', 0x10000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000040)='.pending_reads\x00', 0x10000, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) (async) 04:14:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r3, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x8800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = socket(0x26, 0x1, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x60, r5, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x810) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r7, 0x400, 0x70bd29, 0x21dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000054}, 0x8080) inotify_rm_watch(0xffffffffffffffff, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r3, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x8800) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x26, 0x1, 0x0) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x60, r5, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x810) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r8) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r7, 0x400, 0x70bd29, 0x21dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000054}, 0x8080) (async) inotify_rm_watch(0xffffffffffffffff, 0x0) (async) 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1750.250246] nbd: must specify at least one socket 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, &(0x7f00000002c0)) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) statx(r3, &(0x7f0000000000)='./file0\x00', 0x6000, 0x7ff, &(0x7f0000000180)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1750.294595] nbd: must specify at least one socket 04:14:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000000000f0aedd547752532bc37e360000000c000600010000000000000004000780"], 0x30}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) socket$vsock_stream(0x28, 0x1, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r4, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1000}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, &(0x7f00000002c0)) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) statx(r3, &(0x7f0000000000)='./file0\x00', 0x6000, 0x7ff, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1750.412572] nbd: must specify at least one socket 04:14:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r2, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0000}]}, 0x38}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) mknodat$null(r3, &(0x7f0000000000)='./file0\x00', 0xc000, 0x103) 04:14:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) socket$vsock_stream(0x28, 0x1, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="30040000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r2, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0000}]}, 0x38}}, 0x0) (async, rerun: 64) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 64) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) mknodat$null(r3, &(0x7f0000000000)='./file0\x00', 0xc000, 0x103) 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r4, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1000}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, &(0x7f00000002c0)) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) statx(r3, &(0x7f0000000000)='./file0\x00', 0x6000, 0x7ff, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1750.485159] nbd: must specify at least one socket [ 1750.498505] nbd: must specify at least one socket 04:14:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r4, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1000}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0xc0) 04:14:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1750.549709] nbd: must specify at least one socket 04:14:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYRES8=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x2, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x123}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000841}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) 04:14:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="30040000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) [ 1750.633189] nbd: must specify at least one socket [ 1750.649797] nbd: must specify at least one socket [ 1750.677251] nbd: must specify at least one socket 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="3956b6eceabf300000fc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000680)={&(0x7f0000000700)=ANY=[@ANYBLOB="fc040000", @ANYRES16=0x0, @ANYBLOB="010025bd00000000376f744511bbb829cf96df250100000008000100", @ANYRES32=0x0, @ANYBLOB="4400028040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b0000000800040000a5000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="d401028038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400ee09000040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000900000008000600", @ANYRES32=0x0, @ANYRES64, @ANYRES32=r4, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000300000008000100", @ANYRES32=0x0, @ANYBLOB="3002028040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRESOCT=r8, @ANYBLOB="080007000000000040000100240001006c625f706f72745f737461747308000000000000000000000000000000007700050003000b00000008000400050099b646000008000600", @ANYRES32=0x0, @ANYBLOB="74000100240001006270665f686173685f66756e6300000000000000000000000000000000000000050003000b0000004400040003003f810e7a000007003ff50100000000044c010000008038c0d1200800000007003f010008000007000278ffffffff0104100401000000ff03030707000000400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400fbffffff08000600", @ANYRES32=r4, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000500000008000600", @ANYRES32=r7, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000008000100", @ANYRES32=r10, @ANYBLOB="80000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000700000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB], 0x4fc}, 0x1, 0x0, 0x0, 0x5}, 0x8014) [ 1750.709397] nbd: must specify at least one socket 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) [ 1750.736484] nbd: must specify at least one socket 04:14:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYRES8=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x2, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x123}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000841}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYRES8=r2], 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x2, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x123}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000841}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) 04:14:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="30040000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="30040000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="3956b6eceabf300000fc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) (async, rerun: 64) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) (rerun: 64) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000680)={&(0x7f0000000700)=ANY=[@ANYBLOB="fc040000", @ANYRES16=0x0, @ANYBLOB="010025bd00000000376f744511bbb829cf96df250100000008000100", @ANYRES32=0x0, @ANYBLOB="4400028040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b0000000800040000a5000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="d401028038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400ee09000040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000900000008000600", @ANYRES32=0x0, @ANYRES64, @ANYRES32=r4, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000300000008000100", @ANYRES32=0x0, @ANYBLOB="3002028040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRESOCT=r8, @ANYBLOB="080007000000000040000100240001006c625f706f72745f737461747308000000000000000000000000000000007700050003000b00000008000400050099b646000008000600", @ANYRES32=0x0, @ANYBLOB="74000100240001006270665f686173685f66756e6300000000000000000000000000000000000000050003000b0000004400040003003f810e7a000007003ff50100000000044c010000008038c0d1200800000007003f010008000007000278ffffffff0104100401000000ff03030707000000400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400fbffffff08000600", @ANYRES32=r4, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000500000008000600", @ANYRES32=r7, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000008000100", @ANYRES32=r10, @ANYBLOB="80000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000700000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB], 0x4fc}, 0x1, 0x0, 0x0, 0x5}, 0x8014) [ 1750.788285] nbd: must specify at least one socket [ 1750.801272] nbd: must specify at least one socket [ 1750.825773] nbd: must specify at least one socket [ 1750.839457] nbd: must specify at least one socket [ 1750.849029] nbd: must specify at least one socket [ 1750.854700] nbd: must specify at least one socket [ 1750.869995] nbd: must specify at least one socket [ 1750.884542] nbd: must specify at least one socket [ 1750.895492] nbd: must specify at least one socket [ 1750.909688] nbd: must specify at least one socket [ 1750.919051] nbd: must specify at least one socket [ 1750.928057] nbd: must specify at least one socket [ 1750.936859] nbd: must specify at least one socket [ 1750.945621] nbd: must specify at least one socket [ 1750.950697] nbd: must specify at least one socket [ 1750.960611] nbd: must specify at least one socket [ 1750.966145] nbd: must specify at least one socket [ 1750.971355] nbd: must specify at least one socket [ 1750.980438] nbd: must specify at least one socket [ 1750.988950] nbd: must specify at least one socket [ 1750.998082] nbd: must specify at least one socket [ 1751.008270] nbd: must specify at least one socket [ 1751.016568] nbd: must specify at least one socket [ 1751.024380] nbd: must specify at least one socket [ 1751.029297] nbd: must specify at least one socket [ 1751.034289] nbd: must specify at least one socket [ 1751.039172] nbd: must specify at least one socket [ 1751.044591] nbd: must specify at least one socket [ 1751.049472] nbd: must specify at least one socket [ 1751.054463] nbd: must specify at least one socket [ 1751.059345] nbd: must specify at least one socket [ 1751.064344] nbd: must specify at least one socket [ 1751.069223] nbd: must specify at least one socket [ 1751.074243] nbd: must specify at least one socket [ 1751.079147] nbd: must specify at least one socket [ 1751.084095] nbd: must specify at least one socket [ 1751.088980] nbd: must specify at least one socket [ 1751.093948] nbd: must specify at least one socket [ 1751.098833] nbd: must specify at least one socket [ 1751.103779] nbd: must specify at least one socket [ 1751.108660] nbd: must specify at least one socket [ 1751.113619] nbd: must specify at least one socket [ 1751.118496] nbd: must specify at least one socket [ 1751.123446] nbd: must specify at least one socket [ 1751.128326] nbd: must specify at least one socket [ 1751.133291] nbd: must specify at least one socket [ 1751.138179] nbd: must specify at least one socket [ 1751.143137] nbd: must specify at least one socket [ 1751.148020] nbd: must specify at least one socket [ 1751.152967] nbd: must specify at least one socket [ 1751.157861] nbd: must specify at least one socket [ 1751.162834] nbd: must specify at least one socket [ 1751.167722] nbd: must specify at least one socket [ 1751.172686] nbd: must specify at least one socket [ 1751.177574] nbd: must specify at least one socket [ 1751.182536] nbd: must specify at least one socket [ 1751.187419] nbd: must specify at least one socket [ 1751.192372] nbd: must specify at least one socket 04:14:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r2, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0000}]}, 0x38}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) mknodat$null(r3, &(0x7f0000000000)='./file0\x00', 0xc000, 0x103) 04:14:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0xff5d0021ed8ccf01}, 0x4010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="830d802b683d983c37b81b1c920d792f03809a17e233dfdb06f203b63e4948bba3a996e1b2a74bf34d2320f0a6aa2d36392ca4c847fe5251c708fe7c66f347d35982bbd2989a2c95d3fdccd902abb17159113d127aa1ac612fb6e946", @ANYRES16=r2, @ANYBLOB="00010000000000000000010000000c80020000000000000000000c00060001000000000000000c0003001f000000000000009dfe11f40e4316460dec8e390ffc7ab37f2fcaff05a6c6b25bcf7ea0c984d445fe8085daef39b5ba226ae7741b5facd11ccf02a128d556b13dcf4927a830794084277d422b"], 0x38}}, 0x0) 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair(0x1e, 0x80000, 0x80000001, &(0x7f0000000080)) socketpair(0x26, 0x4, 0x5, &(0x7f0000000180)) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = socket$igmp6(0xa, 0x3, 0x2) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x74, r3, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6d6f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2016adc1edb2e494}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x775}]}, 0x74}, 0x1, 0x0, 0x0, 0x34000881}, 0x50) 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="3956b6eceabf300000fc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) r3 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r3, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r4, @loopback}, 0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r9, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r8, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r9, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r10, @loopback}, 0x10) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000680)={&(0x7f0000000700)=ANY=[@ANYBLOB="fc040000", @ANYRES16=0x0, @ANYBLOB="010025bd00000000376f744511bbb829cf96df250100000008000100", @ANYRES32=0x0, @ANYBLOB="4400028040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b0000000800040000a5000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="d401028038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400ee09000040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000900000008000600", @ANYRES32=0x0, @ANYRES64, @ANYRES32=r4, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000300000008000100", @ANYRES32=0x0, @ANYBLOB="3002028040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRESOCT=r8, @ANYBLOB="080007000000000040000100240001006c625f706f72745f737461747308000000000000000000000000000000007700050003000b00000008000400050099b646000008000600", @ANYRES32=0x0, @ANYBLOB="74000100240001006270665f686173685f66756e6300000000000000000000000000000000000000050003000b0000004400040003003f810e7a000007003ff50100000000044c010000008038c0d1200800000007003f010008000007000278ffffffff0104100401000000ff03030707000000400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400fbffffff08000600", @ANYRES32=r4, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000500000008000600", @ANYRES32=r7, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000008000100", @ANYRES32=r10, @ANYBLOB="80000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000700000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB], 0x4fc}, 0x1, 0x0, 0x0, 0x5}, 0x8014) 04:14:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYRES8=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x2, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x123}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000841}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYRES8=r2], 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x2, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x123}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000841}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) [ 1751.197251] nbd: must specify at least one socket [ 1751.202202] nbd: must specify at least one socket 04:14:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0xff5d0021ed8ccf01}, 0x4010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="830d802b683d983c37b81b1c920d792f03809a17e233dfdb06f203b63e4948bba3a996e1b2a74bf34d2320f0a6aa2d36392ca4c847fe5251c708fe7c66f347d35982bbd2989a2c95d3fdccd902abb17159113d127aa1ac612fb6e946", @ANYRES16=r2, @ANYBLOB="00010000000000000000010000000c80020000000000000000000c00060001000000000000000c0003001f000000000000009dfe11f40e4316460dec8e390ffc7ab37f2fcaff05a6c6b25bcf7ea0c984d445fe8085daef39b5ba226ae7741b5facd11ccf02a128d556b13dcf4927a830794084277d422b"], 0x38}}, 0x0) 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair(0x1e, 0x80000, 0x80000001, &(0x7f0000000080)) socketpair(0x26, 0x4, 0x5, &(0x7f0000000180)) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = socket$igmp6(0xa, 0x3, 0x2) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x74, r3, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6d6f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2016adc1edb2e494}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x775}]}, 0x74}, 0x1, 0x0, 0x0, 0x34000881}, 0x50) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) socketpair(0x1e, 0x80000, 0x80000001, &(0x7f0000000080)) (async) socketpair(0x26, 0x4, 0x5, &(0x7f0000000180)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) socket$igmp6(0xa, 0x3, 0x2) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x74, r3, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6d6f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2016adc1edb2e494}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x775}]}, 0x74}, 0x1, 0x0, 0x0, 0x34000881}, 0x50) (async) 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="f057d01bd8b7303c26619af9db970e152cd4c914db8716d48ad37077ec1179cbd300ee00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0xff5d0021ed8ccf01}, 0x4010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="830d802b683d983c37b81b1c920d792f03809a17e233dfdb06f203b63e4948bba3a996e1b2a74bf34d2320f0a6aa2d36392ca4c847fe5251c708fe7c66f347d35982bbd2989a2c95d3fdccd902abb17159113d127aa1ac612fb6e946", @ANYRES16=r2, @ANYBLOB="00010000000000000000010000000c80020000000000000000000c00060001000000000000000c0003001f000000000000009dfe11f40e4316460dec8e390ffc7ab37f2fcaff05a6c6b25bcf7ea0c984d445fe8085daef39b5ba226ae7741b5facd11ccf02a128d556b13dcf4927a830794084277d422b"], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0xff5d0021ed8ccf01}, 0x4010) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="830d802b683d983c37b81b1c920d792f03809a17e233dfdb06f203b63e4948bba3a996e1b2a74bf34d2320f0a6aa2d36392ca4c847fe5251c708fe7c66f347d35982bbd2989a2c95d3fdccd902abb17159113d127aa1ac612fb6e946", @ANYRES16=r2, @ANYBLOB="00010000000000000000010000000c80020000000000000000000c00060001000000000000000c0003001f000000000000009dfe11f40e4316460dec8e390ffc7ab37f2fcaff05a6c6b25bcf7ea0c984d445fe8085daef39b5ba226ae7741b5facd11ccf02a128d556b13dcf4927a830794084277d422b"], 0x38}}, 0x0) (async) 04:14:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x50, r2, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfa94}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000891}, 0x400c814) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000240)={0x7, "16b4ca2412be9b1857283bc7110b015200ca9eac6bad4f70000000a600"}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000058}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="000428bd7000fddbdf25050000000c00040009000000000000001400078008000100", @ANYRES32, @ANYBLOB="0800010071cccf3afe2b461c5f5374bbd50500000000000000c12bbe59a14164877ef101e7e9ebe71c325789e41946db6104e5b9a404200bc2ef005a6d68268d10c7c8a0d047fdebba881a99c83368571ca0c260a3d5ea27ebdb54d003e9119566fa8773323175a962f4a64c2feb363691ada32c544d7fd23af8255886ee0ed9457c574ee319c28253e23745aa69ea2d087efeac8fdfc6dfef5137b03d397ebf50808dd86cbbd244cef7c2bd218c5ec2c4f946f219227b5a90f4d961748cd03287a7d3b3fa320525d1ab17868816b51d996a81ce00000000", @ANYRES32, @ANYBLOB="0c00080005000000000000000c00060001000000000000000c000400ff030000000000000c000300ffffffffffffff7f0c0006000100000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4015}, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000580)={&(0x7f00000006c0)={0x58, r7, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1a76}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x200080c9}, 0x40) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000640)={0x5c, r7, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x5c}}, 0x80) 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000100000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="f057d01bd8b7303c26619af9db970e152cd4c914db8716d48ad37077ec1179cbd300ee00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) socketpair(0x1e, 0x80000, 0x80000001, &(0x7f0000000080)) (async) socketpair(0x26, 0x4, 0x5, &(0x7f0000000180)) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async, rerun: 64) r5 = socket$igmp6(0xa, 0x3, 0x2) (rerun: 64) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x74, r3, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6d6f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2016adc1edb2e494}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x775}]}, 0x74}, 0x1, 0x0, 0x0, 0x34000881}, 0x50) 04:14:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) [ 1751.508567] nbd: must specify at least one socket 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000100000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000500)={'wlan1\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000540)={&(0x7f00000009c0)=ANY=[@ANYBLOB="84050000", @ANYRES16=0x0, @ANYBLOB="000129bd7000fddbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="f8000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000300000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c0000000000000000000000050003000300000008000400090000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040007000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="0001028038000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000050003000300000008000400090000004c000100240001006270665f686173685f66756e6300000000000000000000000000000000000000050003000b0000001c000400ff03a2ad030000004b00080406000000010104200700000038000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000800000040000100240001006d6f64650000000000000000000000000000000000000000000000000000000005000300050000000e00040062726f61646361737400000008000100", @ANYRES32=0x0, @ANYBLOB="6801028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400ff0f00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000300000008000600", @ANYRESDEC=r1, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e00000008000400ff01000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000050003000300000008000400080000003800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="f0010280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000100000008000600", @ANYRES32=r5, @ANYBLOB="3c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072698472697479000000002c0e7562810446e2da212895030000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r8, @ANYRES16, @ANYRES32=r9, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x584}, 0x1, 0x0, 0x0, 0x820}, 0x10008040) sendmsg$TEAM_CMD_PORT_LIST_GET(r4, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000080)=ANY=[@ANYBLOB="e2c940c30000e56efd5cf729e20a23f1761e08", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r4, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x48, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x101}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x9}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @broadcast}]}, 0x48}}, 0x4000080) r10 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="1a00feff", @ANYRES8, @ANYBLOB="0100000000000000000009000000"], 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000680)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="02032cbd7000ffdbdf250a00000008003c00040048f555c7ab57283dd35b8dab7a0923f70000080034000200000005003300020000000a000900aaaaaaaaaaaa00000800390000000000050030000000000008002c00ff0f00000800390007000000", @ANYRESDEC=r3, @ANYRESDEC=r10], 0x58}, 0x1, 0x0, 0x0, 0x200008c9}, 0x4000800) 04:14:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 04:14:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="f057d01bd8b7303c26619af9db970e152cd4c914db8716d48ad37077ec1179cbd300ee00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x50, r2, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfa94}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000891}, 0x400c814) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000240)={0x7, "16b4ca2412be9b1857283bc7110b015200ca9eac6bad4f70000000a600"}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000058}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="000428bd7000fddbdf25050000000c00040009000000000000001400078008000100", @ANYRES32, @ANYBLOB="0800010071cccf3afe2b461c5f5374bbd50500000000000000c12bbe59a14164877ef101e7e9ebe71c325789e41946db6104e5b9a404200bc2ef005a6d68268d10c7c8a0d047fdebba881a99c83368571ca0c260a3d5ea27ebdb54d003e9119566fa8773323175a962f4a64c2feb363691ada32c544d7fd23af8255886ee0ed9457c574ee319c28253e23745aa69ea2d087efeac8fdfc6dfef5137b03d397ebf50808dd86cbbd244cef7c2bd218c5ec2c4f946f219227b5a90f4d961748cd03287a7d3b3fa320525d1ab17868816b51d996a81ce00000000", @ANYRES32, @ANYBLOB="0c00080005000000000000000c00060001000000000000000c000400ff030000000000000c000300ffffffffffffff7f0c0006000100000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4015}, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000580)={&(0x7f00000006c0)={0x58, r7, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1a76}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x200080c9}, 0x40) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000640)={0x5c, r7, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x5c}}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x50, r2, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfa94}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000891}, 0x400c814) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000240)={0x7, "16b4ca2412be9b1857283bc7110b015200ca9eac6bad4f70000000a600"}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000058}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="000428bd7000fddbdf25050000000c00040009000000000000001400078008000100", @ANYRES32, @ANYBLOB="0800010071cccf3afe2b461c5f5374bbd50500000000000000c12bbe59a14164877ef101e7e9ebe71c325789e41946db6104e5b9a404200bc2ef005a6d68268d10c7c8a0d047fdebba881a99c83368571ca0c260a3d5ea27ebdb54d003e9119566fa8773323175a962f4a64c2feb363691ada32c544d7fd23af8255886ee0ed9457c574ee319c28253e23745aa69ea2d087efeac8fdfc6dfef5137b03d397ebf50808dd86cbbd244cef7c2bd218c5ec2c4f946f219227b5a90f4d961748cd03287a7d3b3fa320525d1ab17868816b51d996a81ce00000000", @ANYRES32, @ANYBLOB="0c00080005000000000000000c00060001000000000000000c000400ff030000000000000c000300ffffffffffffff7f0c0006000100000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4015}, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000580)={&(0x7f00000006c0)={0x58, r7, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1a76}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x200080c9}, 0x40) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000640)={0x5c, r7, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x5c}}, 0x80) (async) 04:14:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000100000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000100000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) (async) 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)={[{0x2d, 'rdma'}, {0x2d, 'hugetlb'}, {0x2d, 'devices'}, {0x2b, 'cpuacct'}, {0x2d, 'io'}, {0x2d, 'io'}]}, 0x29) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) [ 1751.705062] nbd: must specify at least one socket 04:14:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.log\x00', 0xc0, 0x2) openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x80, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socket(0x25, 0x0, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x12, &(0x7f0000000000)={&(0x7f0000000180)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}]}, 0x68}}, 0x0) 04:14:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000500)={'wlan1\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000540)={&(0x7f00000009c0)=ANY=[@ANYBLOB="84050000", @ANYRES16=0x0, @ANYBLOB="000129bd7000fddbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="f8000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000300000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c0000000000000000000000050003000300000008000400090000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040007000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="6801028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400ff0f00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000300000008000600", @ANYRESDEC=r1, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e00000008000400ff01000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000050003000300000008000400080000003800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="f0010280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000100000008000600", @ANYRES32=r5, @ANYBLOB="3c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072698472697479000000002c0e7562810446e2da212895030000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r8, @ANYRES16, @ANYRES32=r9, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x584}, 0x1, 0x0, 0x0, 0x820}, 0x10008040) sendmsg$TEAM_CMD_PORT_LIST_GET(r4, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000080)=ANY=[@ANYBLOB="e2c940c30000e56efd5cf729e20a23f1761e08", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r4, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x48, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x101}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x9}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @broadcast}]}, 0x48}}, 0x4000080) r10 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="1a00feff", @ANYRES8, @ANYBLOB="0100000000000000000009000000"], 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000680)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="02032cbd7000ffdbdf250a00000008003c00040048f555c7ab57283dd35b8dab7a0923f70000080034000200000005003300020000000a000900aaaaaaaaaaaa00000800390000000000050030000000000008002c00ff0f00000800390007000000", @ANYRESDEC=r3, @ANYRESDEC=r10], 0x58}, 0x1, 0x0, 0x0, 0x200008c9}, 0x4000800) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$igmp(0x2, 0x3, 0x2) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)) (async) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) (async) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000500)={'wlan1\x00'}) (async) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000540)={&(0x7f00000009c0)=ANY=[@ANYBLOB="84050000", @ANYRES16=0x0, @ANYBLOB="000129bd7000fddbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="f8000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000300000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c0000000000000000000000050003000300000008000400090000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040007000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="6801028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400ff0f00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000300000008000600", @ANYRESDEC=r1, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e00000008000400ff01000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000050003000300000008000400080000003800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="f0010280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000100000008000600", @ANYRES32=r5, @ANYBLOB="3c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072698472697479000000002c0e7562810446e2da212895030000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r8, @ANYRES16, @ANYRES32=r9, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x584}, 0x1, 0x0, 0x0, 0x820}, 0x10008040) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(r4, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000080)=ANY=[@ANYBLOB="e2c940c30000e56efd5cf729e20a23f1761e08", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(r4, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x48, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x101}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x9}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @broadcast}]}, 0x48}}, 0x4000080) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="1a00feff", @ANYRES8, @ANYBLOB="0100000000000000000009000000"], 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000680)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="02032cbd7000ffdbdf250a00000008003c00040048f555c7ab57283dd35b8dab7a0923f70000080034000200000005003300020000000a000900aaaaaaaaaaaa00000800390000000000050030000000000008002c00ff0f00000800390007000000", @ANYRESDEC=r3, @ANYRESDEC=r10], 0x58}, 0x1, 0x0, 0x0, 0x200008c9}, 0x4000800) (async) 04:14:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x50, r2, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfa94}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000891}, 0x400c814) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000240)={0x7, "16b4ca2412be9b1857283bc7110b015200ca9eac6bad4f70000000a600"}) 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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000058}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="000428bd7000fddbdf25050000000c00040009000000000000001400078008000100", @ANYRES32, @ANYBLOB="0800010071cccf3afe2b461c5f5374bbd50500000000000000c12bbe59a14164877ef101e7e9ebe71c325789e41946db6104e5b9a404200bc2ef005a6d68268d10c7c8a0d047fdebba881a99c83368571ca0c260a3d5ea27ebdb54d003e9119566fa8773323175a962f4a64c2feb363691ada32c544d7fd23af8255886ee0ed9457c574ee319c28253e23745aa69ea2d087efeac8fdfc6dfef5137b03d397ebf50808dd86cbbd244cef7c2bd218c5ec2c4f946f219227b5a90f4d961748cd03287a7d3b3fa320525d1ab17868816b51d996a81ce00000000", @ANYRES32, @ANYBLOB="0c00080005000000000000000c00060001000000000000000c000400ff030000000000000c000300ffffffffffffff7f0c0006000100000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4015}, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000580)={&(0x7f00000006c0)={0x58, r7, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1a76}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x200080c9}, 0x40) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000640)={0x5c, r7, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x5c}}, 0x80) 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$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x50, r2, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfa94}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000891}, 0x400c814) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000240)={0x7, "16b4ca2412be9b1857283bc7110b015200ca9eac6bad4f70000000a600"}) (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$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000058}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="000428bd7000fddbdf25050000000c00040009000000000000001400078008000100", @ANYRES32, @ANYBLOB="0800010071cccf3afe2b461c5f5374bbd50500000000000000c12bbe59a14164877ef101e7e9ebe71c325789e41946db6104e5b9a404200bc2ef005a6d68268d10c7c8a0d047fdebba881a99c83368571ca0c260a3d5ea27ebdb54d003e9119566fa8773323175a962f4a64c2feb363691ada32c544d7fd23af8255886ee0ed9457c574ee319c28253e23745aa69ea2d087efeac8fdfc6dfef5137b03d397ebf50808dd86cbbd244cef7c2bd218c5ec2c4f946f219227b5a90f4d961748cd03287a7d3b3fa320525d1ab17868816b51d996a81ce00000000", @ANYRES32, @ANYBLOB="0c00080005000000000000000c00060001000000000000000c000400ff030000000000000c000300ffffffffffffff7f0c0006000100000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4015}, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000580)={&(0x7f00000006c0)={0x58, r7, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1a76}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x200080c9}, 0x40) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000640)={0x5c, r7, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}]}, 0x5c}}, 0x80) (async) 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_TIMEOUT, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4048801}, 0x0) 04:14:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)={0x44, r2, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x6050}, 0x20008880) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x40082102, &(0x7f0000000000)) 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)={[{0x2d, 'rdma'}, {0x2d, 'hugetlb'}, {0x2d, 'devices'}, {0x2b, 'cpuacct'}, {0x2d, 'io'}, {0x2d, 'io'}]}, 0x29) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (rerun: 32) 04:14:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.log\x00', 0xc0, 0x2) openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x80, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socket(0x25, 0x0, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x12, &(0x7f0000000000)={&(0x7f0000000180)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}]}, 0x68}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.log\x00', 0xc0, 0x2) (async) openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x80, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socket(0x25, 0x0, 0x7) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x12, &(0x7f0000000000)={&(0x7f0000000180)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}]}, 0x68}}, 0x0) (async) 04:14:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r5, @loopback}, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r7, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r7, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r8, @loopback}, 0x10) (async) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000500)={'wlan1\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000540)={&(0x7f00000009c0)=ANY=[@ANYBLOB="84050000", @ANYRES16=0x0, @ANYBLOB="000129bd7000fddbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="f8000280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000300000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c0000000000000000000000050003000300000008000400090000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040007000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="6801028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400ff0f00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000300000008000600", @ANYRESDEC=r1, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e00000008000400ff01000008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000050003000300000008000400080000003800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="f0010280400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000100000008000600", @ANYRES32=r5, @ANYBLOB="3c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072698472697479000000002c0e7562810446e2da212895030000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000050003000b000000080004000000000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=r8, @ANYRES16, @ANYRES32=r9, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x584}, 0x1, 0x0, 0x0, 0x820}, 0x10008040) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(r4, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000080)=ANY=[@ANYBLOB="e2c940c30000e56efd5cf729e20a23f1761e08", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(r4, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x48, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x101}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x9}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @broadcast}]}, 0x48}}, 0x4000080) (async) r10 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="1a00feff", @ANYRES8, @ANYBLOB="0100000000000000000009000000"], 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000680)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="02032cbd7000ffdbdf250a00000008003c00040048f555c7ab57283dd35b8dab7a0923f70000080034000200000005003300020000000a000900aaaaaaaaaaaa00000800390000000000050030000000000008002c00ff0f00000800390007000000", @ANYRESDEC=r3, @ANYRESDEC=r10], 0x58}, 0x1, 0x0, 0x0, 0x200008c9}, 0x4000800) [ 1751.963583] nbd: must specify a size in bytes for the device [ 1751.989484] nbd: must specify at least one socket 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_TIMEOUT, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4048801}, 0x0) [ 1752.054101] nbd: must specify at least one socket 04:14:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRESOCT=r4, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}, 0x1, 0x0, 0x0, 0xc0}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x111}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x8000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmget$private(0x0, 0x2000, 0x200, &(0x7f0000ffd000/0x2000)=nil) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000d91350ddb4010000000000000c0006000100"/42], 0x30}}, 0x0) setsockopt$bt_BT_DEFER_SETUP(0xffffffffffffffff, 0x112, 0x7, &(0x7f0000000000)=0x1, 0x4) 04:14:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)={0x44, r2, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x6050}, 0x20008880) (async, rerun: 64) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 64) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async, rerun: 64) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x40082102, &(0x7f0000000000)) (rerun: 64) 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_TIMEOUT, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4048801}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_TIMEOUT, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4048801}, 0x0) (async) 04:14:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.log\x00', 0xc0, 0x2) openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x80, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socket(0x25, 0x0, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x12, &(0x7f0000000000)={&(0x7f0000000180)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}]}, 0x68}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000080)='.log\x00', 0xc0, 0x2) (async) openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x80, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socket(0x25, 0x0, 0x7) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x12, &(0x7f0000000000)={&(0x7f0000000180)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}]}, 0x68}}, 0x0) (async) 04:14:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRESOCT=r4, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}, 0x1, 0x0, 0x0, 0xc0}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x111}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x8000) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) shmget$private(0x0, 0x2000, 0x200, &(0x7f0000ffd000/0x2000)=nil) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000d91350ddb4010000000000000c0006000100"/42], 0x30}}, 0x0) (async, rerun: 64) setsockopt$bt_BT_DEFER_SETUP(0xffffffffffffffff, 0x112, 0x7, &(0x7f0000000000)=0x1, 0x4) (rerun: 64) 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)={[{0x2d, 'rdma'}, {0x2d, 'hugetlb'}, {0x2d, 'devices'}, {0x2b, 'cpuacct'}, {0x2d, 'io'}, {0x2d, 'io'}]}, 0x29) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)={[{0x2d, 'rdma'}, {0x2d, 'hugetlb'}, {0x2d, 'devices'}, {0x2b, 'cpuacct'}, {0x2d, 'io'}, {0x2d, 'io'}]}, 0x29) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) [ 1752.158133] nbd: must specify a size in bytes for the device [ 1752.165653] nbd: must specify at least one socket 04:14:29 executing program 0: socketpair(0x1f, 0x5, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$L2TP_CMD_TUNNEL_GET(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="dbd3df7c", @ANYRES16=0x0, @ANYBLOB="00012bbd7000fedbdf250400000006001c00070000001500040043000000050014000000000005001300010000003fe6bf3eb242b5e2bc9b17590eb2f5f5c268567e52ae5576f482ceb8473980372fdc4699f24c465050d098efdaa7dc40499d56949b2dfa5a5a35915e8fec37d0f49d3c44db"], 0x34}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) socketpair(0x1a, 0x5, 0x73b00807, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$MRT6(r2, 0x29, 0xd0, &(0x7f0000000480), &(0x7f00000004c0)=0x4) 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) 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$nbd(&(0x7f0000000140), r6) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010227bd7000fddbdf25030000000c0005000a010000000000001c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB="56aa4a6b1010ea8f635ccb88cb40ed195cbdb1815c80103d4480e161b95e35abbd55f1f1ce3daedaa210ed3d5306", @ANYRES32=r0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x40}, 0x83) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYRESDEC=r3, @ANYRES16=r9, @ANYBLOB="deb7a454d9466d5617"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x8010) [ 1752.293120] nbd: must specify at least one socket [ 1752.300058] nbd: must specify a size in bytes for the device [ 1752.310077] nbd: must specify at least one socket 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="7e305900595dd08925ae126fec00f0fa90dc409adac0f9e2ace4f7c8eb38a123872cfb08291d99375ae55a48e260150b8532134590b9fe772c632b39b44f56d2bee9ad5f4ff030532ac1447677a3f93725d7113ba9bb8fde5bd1cb34f450fee00604248c7c5b4f75", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)={0x44, r2, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x6050}, 0x20008880) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x40082102, &(0x7f0000000000)) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)={0x44, r2, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x6050}, 0x20008880) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x40082102, &(0x7f0000000000)) (async) 04:14:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) 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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x60, r6, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x60}, 0x1, 0x0, 0x0, 0x40001}, 0x88) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80d0}, 0x0) 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1752.433920] nbd: must specify at least one socket 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="7e305900595dd08925ae126fec00f0fa90dc409adac0f9e2ace4f7c8eb38a123872cfb08291d99375ae55a48e260150b8532134590b9fe772c632b39b44f56d2bee9ad5f4ff030532ac1447677a3f93725d7113ba9bb8fde5bd1cb34f450fee00604248c7c5b4f75", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="7e305900595dd08925ae126fec00f0fa90dc409adac0f9e2ace4f7c8eb38a123872cfb08291d99375ae55a48e260150b8532134590b9fe772c632b39b44f56d2bee9ad5f4ff030532ac1447677a3f93725d7113ba9bb8fde5bd1cb34f450fee00604248c7c5b4f75", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) 04:14:29 executing program 0: socketpair(0x1f, 0x5, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$L2TP_CMD_TUNNEL_GET(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="dbd3df7c", @ANYRES16=0x0, @ANYBLOB="00012bbd7000fedbdf250400000006001c00070000001500040043000000050014000000000005001300010000003fe6bf3eb242b5e2bc9b17590eb2f5f5c268567e52ae5576f482ceb8473980372fdc4699f24c465050d098efdaa7dc40499d56949b2dfa5a5a35915e8fec37d0f49d3c44db"], 0x34}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) (async) socketpair(0x1a, 0x5, 0x73b00807, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$MRT6(r2, 0x29, 0xd0, &(0x7f0000000480), &(0x7f00000004c0)=0x4) (async) r3 = syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010227bd7000fddbdf25030000000c0005000a010000000000001c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB="56aa4a6b1010ea8f635ccb88cb40ed195cbdb1815c80103d4480e161b95e35abbd55f1f1ce3daedaa210ed3d5306", @ANYRES32=r0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x40}, 0x83) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYRESDEC=r3, @ANYRES16=r9, @ANYBLOB="deb7a454d9466d5617"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x8010) 04:14:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (rerun: 32) r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r4, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRESOCT=r4, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}, 0x1, 0x0, 0x0, 0xc0}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x111}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x8000) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) shmget$private(0x0, 0x2000, 0x200, &(0x7f0000ffd000/0x2000)=nil) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) (async, rerun: 32) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000d91350ddb4010000000000000c0006000100"/42], 0x30}}, 0x0) setsockopt$bt_BT_DEFER_SETUP(0xffffffffffffffff, 0x112, 0x7, &(0x7f0000000000)=0x1, 0x4) 04:14:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="7e305900595dd08925ae126fec00f0fa90dc409adac0f9e2ace4f7c8eb38a123872cfb08291d99375ae55a48e260150b8532134590b9fe772c632b39b44f56d2bee9ad5f4ff030532ac1447677a3f93725d7113ba9bb8fde5bd1cb34f450fee00604248c7c5b4f75", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) [ 1752.549041] nbd: must specify at least one socket [ 1752.555841] nbd: couldn't find a device at index 1 04:14:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) r8 = syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x719200) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r4, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4040044}, 0x4048051) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x60, r6, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x60}, 0x1, 0x0, 0x0, 0x40001}, 0x88) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80d0}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x60, r6, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x60}, 0x1, 0x0, 0x0, 0x40001}, 0x88) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80d0}, 0x0) (async) [ 1752.601427] nbd: must specify at least one socket 04:14:29 executing program 0: socketpair(0x1f, 0x5, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$L2TP_CMD_TUNNEL_GET(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="dbd3df7c", @ANYRES16=0x0, @ANYBLOB="00012bbd7000fedbdf250400000006001c00070000001500040043000000050014000000000005001300010000003fe6bf3eb242b5e2bc9b17590eb2f5f5c268567e52ae5576f482ceb8473980372fdc4699f24c465050d098efdaa7dc40499d56949b2dfa5a5a35915e8fec37d0f49d3c44db"], 0x34}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) (async) socketpair(0x1a, 0x5, 0x73b00807, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$MRT6(r2, 0x29, 0xd0, &(0x7f0000000480), &(0x7f00000004c0)=0x4) (async) r3 = syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010227bd7000fddbdf25030000000c0005000a010000000000001c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB="56aa4a6b1010ea8f635ccb88cb40ed195cbdb1815c80103d4480e161b95e35abbd55f1f1ce3daedaa210ed3d5306", @ANYRES32=r0, @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x40}, 0x83) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYRESDEC=r3, @ANYRES16=r9, @ANYBLOB="deb7a454d9466d5617"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x8010) 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) 04:14:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) r8 = syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x719200) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r4, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4040044}, 0x4048051) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000500)={0x98, r3, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000080) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) ioctl$IOCTL_VMCI_SET_NOTIFY(r6, 0x7cb, &(0x7f0000000180)={0x3ff, 0x10001, 0x5}) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30080016ec3b67ecb8695ac8772575409fb35df93141af1fb5913a6d40d99a68a6e0b4f8f31b87d3ff8d8f9fb99674863d8754ea0bd3170c0cd4829b450cbdc4b12624e7ec394de31add68779f19cbcd40ec29435aee8b9ed31701ea05a74868153385138efd9106257d", @ANYRES8=r7, @ANYRESOCT=r0], 0x30}}, 0x4040800) r8 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r8, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), r6) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r9, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xdd}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x401}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) 04:14:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) read$char_usb(0xffffffffffffffff, 0xfffffffffffffffc, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 04:14:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000500)={0x98, r3, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000080) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) ioctl$IOCTL_VMCI_SET_NOTIFY(r6, 0x7cb, &(0x7f0000000180)={0x3ff, 0x10001, 0x5}) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30080016ec3b67ecb8695ac8772575409fb35df93141af1fb5913a6d40d99a68a6e0b4f8f31b87d3ff8d8f9fb99674863d8754ea0bd3170c0cd4829b450cbdc4b12624e7ec394de31add68779f19cbcd40ec29435aee8b9ed31701ea05a74868153385138efd9106257d", @ANYRES8=r7, @ANYRESOCT=r0], 0x30}}, 0x4040800) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r8, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) (async) r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), r6) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r9, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xdd}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x401}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) [ 1752.805293] nbd: must specify at least one socket 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) 04:14:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) r8 = syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x719200) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r4, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4040044}, 0x4048051) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x719200) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r4, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4040044}, 0x4048051) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) [ 1752.837805] nbd: couldn't find a device at index 1 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x60, r6, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x60}, 0x1, 0x0, 0x0, 0x40001}, 0x88) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80d0}, 0x0) 04:14:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) read$char_usb(0xffffffffffffffff, 0xfffffffffffffffc, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) read$char_usb(0xffffffffffffffff, 0xfffffffffffffffc, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) 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(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) (async) 04:14:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000500)={0x98, r3, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000080) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) ioctl$IOCTL_VMCI_SET_NOTIFY(r6, 0x7cb, &(0x7f0000000180)={0x3ff, 0x10001, 0x5}) r7 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30080016ec3b67ecb8695ac8772575409fb35df93141af1fb5913a6d40d99a68a6e0b4f8f31b87d3ff8d8f9fb99674863d8754ea0bd3170c0cd4829b450cbdc4b12624e7ec394de31add68779f19cbcd40ec29435aee8b9ed31701ea05a74868153385138efd9106257d", @ANYRES8=r7, @ANYRESOCT=r0], 0x30}}, 0x4040800) r8 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r8, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), r6) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r9, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xdd}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x401}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_init_net_socket$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$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000500)={0x98, r3, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000080) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) ioctl$IOCTL_VMCI_SET_NOTIFY(r6, 0x7cb, &(0x7f0000000180)={0x3ff, 0x10001, 0x5}) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r7, 0x81f8943c, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30080016ec3b67ecb8695ac8772575409fb35df93141af1fb5913a6d40d99a68a6e0b4f8f31b87d3ff8d8f9fb99674863d8754ea0bd3170c0cd4829b450cbdc4b12624e7ec394de31add68779f19cbcd40ec29435aee8b9ed31701ea05a74868153385138efd9106257d", @ANYRES8=r7, @ANYRESOCT=r0], 0x30}}, 0x4040800) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(r8, &(0x7f0000000980)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000940)={&(0x7f0000000640)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000200), r6) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r9, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xdd}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x401}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) [ 1752.993502] nbd: must specify at least one socket 04:14:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000000000)=0x10000, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0xfffffd11, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r2, @ANYRES16=r2, @ANYRES8=0x0], 0x30}, 0x1, 0x0, 0x0, 0x40001}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000080), &(0x7f0000000100)=0x4) [ 1753.049795] nbd: couldn't find a device at index 1 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0xfffffd11, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r2, @ANYRES16=r2, @ANYRES8=0x0], 0x30}, 0x1, 0x0, 0x0, 0x40001}, 0x0) (async, rerun: 32) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 32) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000080), &(0x7f0000000100)=0x4) 04:14:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) read$char_usb(0xffffffffffffffff, 0xfffffffffffffffc, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000000000)=0x10000, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000000000)=0x10000, 0x4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$IOCTL_VMCI_QUEUEPAIR_ALLOC(0xffffffffffffffff, 0x7a8, &(0x7f0000000000)={{@hyper, 0x4c9c}, @hyper, 0x8, 0x98ee, 0x800, 0x9ee, 0xd7, 0xffffffc0, 0xfffffff7}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) bpf$MAP_CREATE(0x0, &(0x7f0000000040)=@bloom_filter={0x1e, 0x8000, 0x6, 0x4, 0x12, 0x1, 0x80000001, '\x00', 0x0, 0xffffffffffffffff, 0x4, 0x4, 0x3, 0x7}, 0x48) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r3, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000841}, 0x48000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x83008}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x68, r5, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x20000883) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000d000000010000000c0c63c7f73600022c9aa905bd3300000000000000000c0006000400"], 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r3, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'veth0_to_bridge\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'gretap0\x00', &(0x7f0000000300)={'tunl0\x00', 0x0, 0x40, 0x8, 0x4, 0xc2aa7e4, {{0x18, 0x4, 0x3, 0x0, 0x60, 0x67, 0x0, 0x4, 0x29, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x2c, 0xba, 0x3, 0x4, [{@loopback, 0x400}, {@local, 0x3}, {@loopback, 0x8}, {@dev={0xac, 0x14, 0x14, 0x19}, 0x9}, {@remote, 0x2}]}, @ra={0x94, 0x4, 0x1}, @rr={0x7, 0x7, 0xb9, [@remote]}, @timestamp={0x44, 0x14, 0xd8, 0x0, 0x2, [0x2, 0x1, 0x297, 0x7]}]}}}}}) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000c40)={&(0x7f00000003c0)={0x850, 0x0, 0x400, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x1e4, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4a4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfff}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r4}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xfff}}, {0x8, 0x6, r7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8, 0x1, r9}, {0xfc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x34, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x4}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}]}}, {{0x8}, {0x1e0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2b}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xe8f}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r12}}}]}}]}, 0x850}, 0x1, 0x0, 0x0, 0x1}, 0x400c1) 04:14:30 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f00000005c0)=0x1, 0x4) 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$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="3e61c8b2159162cfba5d285a0198c8b66e68909cab3e4b748711929c67e629d37f7c3ea30a9747db87499c4741", @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf25020000000c0003000000010000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20040}, 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x2c, r3, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004004}, 0x90) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) syz_open_dev$audion(&(0x7f0000000480), 0x5, 0x302) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYRES16=r4, @ANYRES16=r4, @ANYBLOB="d844c9f5213beeabdf36f6122121a2a6eeb8e770677ebd761cff8a8c8b73114ddc35e5d84f63aad8014281051a1064d2f745661b9607549e45652398cb806225782c5fc289acf6957de4c4cf6b9dc4416947ec656458580bdde4c71121f3157d1bb921fea881036c8fe37b6c5ec7b98d357dde3ed5de50c07dd849f6cfe756bc8cf78f7a76c8d8c8a2eb10f47465bd0d486603775a9f44d427"], 0x30}}, 0x0) 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0xfffffd11, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r2, @ANYRES16=r2, @ANYRES8=0x0], 0x30}, 0x1, 0x0, 0x0, 0x40001}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) getsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000080), &(0x7f0000000100)=0x4) 04:14:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000000000)=0x10000, 0x4) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r3, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = socket$igmp(0x2, 0x3, 0x2) (rerun: 32) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async, rerun: 32) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'veth0_to_bridge\x00', 0x0}) (rerun: 32) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'gretap0\x00', &(0x7f0000000300)={'tunl0\x00', 0x0, 0x40, 0x8, 0x4, 0xc2aa7e4, {{0x18, 0x4, 0x3, 0x0, 0x60, 0x67, 0x0, 0x4, 0x29, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x2c, 0xba, 0x3, 0x4, [{@loopback, 0x400}, {@local, 0x3}, {@loopback, 0x8}, {@dev={0xac, 0x14, 0x14, 0x19}, 0x9}, {@remote, 0x2}]}, @ra={0x94, 0x4, 0x1}, @rr={0x7, 0x7, 0xb9, [@remote]}, @timestamp={0x44, 0x14, 0xd8, 0x0, 0x2, [0x2, 0x1, 0x297, 0x7]}]}}}}}) (async) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000c40)={&(0x7f00000003c0)={0x850, 0x0, 0x400, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x1e4, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4a4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfff}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r4}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xfff}}, {0x8, 0x6, r7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8, 0x1, r9}, {0xfc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x34, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x4}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}]}}, {{0x8}, {0x1e0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2b}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xe8f}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r12}}}]}}]}, 0x850}, 0x1, 0x0, 0x0, 0x1}, 0x400c1) 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$IOCTL_VMCI_QUEUEPAIR_ALLOC(0xffffffffffffffff, 0x7a8, &(0x7f0000000000)={{@hyper, 0x4c9c}, @hyper, 0x8, 0x98ee, 0x800, 0x9ee, 0xd7, 0xffffffc0, 0xfffffff7}) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) bpf$MAP_CREATE(0x0, &(0x7f0000000040)=@bloom_filter={0x1e, 0x8000, 0x6, 0x4, 0x12, 0x1, 0x80000001, '\x00', 0x0, 0xffffffffffffffff, 0x4, 0x4, 0x3, 0x7}, 0x48) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1753.440013] nbd: must specify at least one socket 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)={0x30, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000400)={0x54, r2, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x54}}, 0x220400d1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$incfs(r3, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_JOIN_MCAST(r5, &(0x7f0000000580)={0x16, 0x98, 0xfa00, {&(0x7f0000000540), 0x0, 0xffffffffffffffff, 0x20, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0xa0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000300)={0xfffffffffffffffd, 0x0, &(0x7f00000002c0)={&(0x7f0000000200)={0x7c, r7, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x51}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x7c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="00001000", @ANYRES16=r2, @ANYBLOB="00022dbd7000fedbdf25010000000c00040001000100000000000c0002000600000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8080) 04:14:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r3, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000841}, 0x48000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x83008}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x68, r5, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x20000883) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000d000000010000000c0c63c7f73600022c9aa905bd3300000000000000000c0006000400"], 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) syz_init_net_socket$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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r3, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000841}, 0x48000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x83008}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x68, r5, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x20000883) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000d000000010000000c0c63c7f73600022c9aa905bd3300000000000000000c0006000400"], 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) (async) 04:14:30 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f00000005c0)=0x1, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="3e61c8b2159162cfba5d285a0198c8b66e68909cab3e4b748711929c67e629d37f7c3ea30a9747db87499c4741", @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf25020000000c0003000000010000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20040}, 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x2c, r3, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004004}, 0x90) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) syz_open_dev$audion(&(0x7f0000000480), 0x5, 0x302) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYRES16=r4, @ANYRES16=r4, @ANYBLOB="d844c9f5213beeabdf36f6122121a2a6eeb8e770677ebd761cff8a8c8b73114ddc35e5d84f63aad8014281051a1064d2f745661b9607549e45652398cb806225782c5fc289acf6957de4c4cf6b9dc4416947ec656458580bdde4c71121f3157d1bb921fea881036c8fe37b6c5ec7b98d357dde3ed5de50c07dd849f6cfe756bc8cf78f7a76c8d8c8a2eb10f47465bd0d486603775a9f44d427"], 0x30}}, 0x0) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) (async) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f00000005c0)=0x1, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="3e61c8b2159162cfba5d285a0198c8b66e68909cab3e4b748711929c67e629d37f7c3ea30a9747db87499c4741", @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf25020000000c0003000000010000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20040}, 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x2c, r3, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004004}, 0x90) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) syz_open_dev$audion(&(0x7f0000000480), 0x5, 0x302) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYRES16=r4, @ANYRES16=r4, @ANYBLOB="d844c9f5213beeabdf36f6122121a2a6eeb8e770677ebd761cff8a8c8b73114ddc35e5d84f63aad8014281051a1064d2f745661b9607549e45652398cb806225782c5fc289acf6957de4c4cf6b9dc4416947ec656458580bdde4c71121f3157d1bb921fea881036c8fe37b6c5ec7b98d357dde3ed5de50c07dd849f6cfe756bc8cf78f7a76c8d8c8a2eb10f47465bd0d486603775a9f44d427"], 0x30}}, 0x0) (async) 04:14:30 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_open_dev$audion(&(0x7f0000000000), 0xc3, 0x40000) socketpair(0x2c, 0x2, 0x81f, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair(0x1a, 0x6, 0x9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = openat$incfs(r2, &(0x7f0000000240)='.pending_reads\x00', 0x1, 0x104) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x9c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r5}]}]}, 0x9c}}, 0x20000040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r3, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r6, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r6, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r7, @loopback}, 0x10) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'veth0_to_bridge\x00', 0x0}) (async) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'gretap0\x00', &(0x7f0000000300)={'tunl0\x00', 0x0, 0x40, 0x8, 0x4, 0xc2aa7e4, {{0x18, 0x4, 0x3, 0x0, 0x60, 0x67, 0x0, 0x4, 0x29, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x2c, 0xba, 0x3, 0x4, [{@loopback, 0x400}, {@local, 0x3}, {@loopback, 0x8}, {@dev={0xac, 0x14, 0x14, 0x19}, 0x9}, {@remote, 0x2}]}, @ra={0x94, 0x4, 0x1}, @rr={0x7, 0x7, 0xb9, [@remote]}, @timestamp={0x44, 0x14, 0xd8, 0x0, 0x2, [0x2, 0x1, 0x297, 0x7]}]}}}}}) (async) r10 = socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000c40)={&(0x7f00000003c0)={0x850, 0x0, 0x400, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x1e4, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x4a4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfff}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r4}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xfff}}, {0x8, 0x6, r7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r8}, {0x7c, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8, 0x1, r9}, {0xfc, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}, {0x8}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x34, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x4}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}]}}, {{0x8}, {0x1e0, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2b}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xe8f}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r12}}}]}}]}, 0x850}, 0x1, 0x0, 0x0, 0x1}, 0x400c1) 04:14:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$IOCTL_VMCI_QUEUEPAIR_ALLOC(0xffffffffffffffff, 0x7a8, &(0x7f0000000000)={{@hyper, 0x4c9c}, @hyper, 0x8, 0x98ee, 0x800, 0x9ee, 0xd7, 0xffffffc0, 0xfffffff7}) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) bpf$MAP_CREATE(0x0, &(0x7f0000000040)=@bloom_filter={0x1e, 0x8000, 0x6, 0x4, 0x12, 0x1, 0x80000001, '\x00', 0x0, 0xffffffffffffffff, 0x4, 0x4, 0x3, 0x7}, 0x48) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:30 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) r2 = syz_open_dev$audion(&(0x7f0000000000), 0xc3, 0x40000) socketpair(0x2c, 0x2, 0x81f, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) socketpair(0x1a, 0x6, 0x9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r8 = openat$incfs(r2, &(0x7f0000000240)='.pending_reads\x00', 0x1, 0x104) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x9c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r5}]}]}, 0x9c}}, 0x20000040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1753.627525] nbd: must specify at least one socket 04:14:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)={0x30, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000400)={0x54, r2, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x54}}, 0x220400d1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$incfs(r3, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_JOIN_MCAST(r5, &(0x7f0000000580)={0x16, 0x98, 0xfa00, {&(0x7f0000000540), 0x0, 0xffffffffffffffff, 0x20, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0xa0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000300)={0xfffffffffffffffd, 0x0, &(0x7f00000002c0)={&(0x7f0000000200)={0x7c, r7, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x51}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x7c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="00001000", @ANYRES16=r2, @ANYBLOB="00022dbd7000fedbdf25010000000c00040001000100000000000c0002000600000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8080) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)={0x30, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000400)={0x54, r2, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x54}}, 0x220400d1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$incfs(r3, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x0) (async) write$RDMA_USER_CM_CMD_JOIN_MCAST(r5, &(0x7f0000000580)={0x16, 0x98, 0xfa00, {&(0x7f0000000540), 0x0, 0xffffffffffffffff, 0x20, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0xa0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000300)={0xfffffffffffffffd, 0x0, &(0x7f00000002c0)={&(0x7f0000000200)={0x7c, r7, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x51}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x7c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="00001000", @ANYRES16=r2, @ANYBLOB="00022dbd7000fedbdf25010000000c00040001000100000000000c0002000600000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8080) (async) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket(0x3, 0x2, 0x287d) r3 = socket(0x26, 0xa, 0xdc8f) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000340), r4) sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r8, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x200}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040440}, 0x1) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) socketpair(0x27, 0x80000, 0x1, &(0x7f0000000040)={0xffffffffffffffff}) r11 = socket(0x28, 0x800, 0x200) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x7da71f684dd59e9f}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf250300000008000a006e62640008000a006e6264000c00050007010000000000000c00050002000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00060002000000000000000c00060001000000000000002c00078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB='\b\x00\n\x00nbd\x00'], 0xc4}, 0x1, 0x0, 0x0, 0x20008400}, 0x48000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1753.660814] nbd: must specify at least one socket 04:14:31 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f00000005c0)=0x1, 0x4) 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$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="3e61c8b2159162cfba5d285a0198c8b66e68909cab3e4b748711929c67e629d37f7c3ea30a9747db87499c4741", @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf25020000000c0003000000010000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r5) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20040}, 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x2c, r3, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004004}, 0x90) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) syz_open_dev$audion(&(0x7f0000000480), 0x5, 0x302) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYRES16=r4, @ANYRES16=r4, @ANYBLOB="d844c9f5213beeabdf36f6122121a2a6eeb8e770677ebd761cff8a8c8b73114ddc35e5d84f63aad8014281051a1064d2f745661b9607549e45652398cb806225782c5fc289acf6957de4c4cf6b9dc4416947ec656458580bdde4c71121f3157d1bb921fea881036c8fe37b6c5ec7b98d357dde3ed5de50c07dd849f6cfe756bc8cf78f7a76c8d8c8a2eb10f47465bd0d486603775a9f44d427"], 0x30}}, 0x0) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100020000000000000000000c0018000000040007803e6740e9de1dd982e71234dcc1a4e5bc1e3061641f57b0000000000000"], 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$SYNC_IOC_MERGE(r3, 0xc0303e03, &(0x7f0000000040)={"6acef6ecf6cf3ea9de115c2b3ae4f6f57b99a229c6dc6c6c567369a60c484955"}) 04:14:31 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_open_dev$audion(&(0x7f0000000000), 0xc3, 0x40000) (async, rerun: 32) socketpair(0x2c, 0x2, 0x81f, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) socketpair(0x1a, 0x6, 0x9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r8 = openat$incfs(r2, &(0x7f0000000240)='.pending_reads\x00', 0x1, 0x104) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x9c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r5}]}]}, 0x9c}}, 0x20000040) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) 04:14:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r3, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000841}, 0x48000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x83008}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x68, r5, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x20000883) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000d000000010000000c0c63c7f73600022c9aa905bd3300000000000000000c0006000400"], 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) 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(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r3, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000841}, 0x48000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x83008}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x68, r5, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x20000883) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000d000000010000000c0c63c7f73600022c9aa905bd3300000000000000000c0006000400"], 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) (async) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket(0x3, 0x2, 0x287d) r3 = socket(0x26, 0xa, 0xdc8f) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000340), r4) sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r8, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x200}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040440}, 0x1) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) socketpair(0x27, 0x80000, 0x1, &(0x7f0000000040)={0xffffffffffffffff}) r11 = socket(0x28, 0x800, 0x200) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x7da71f684dd59e9f}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf250300000008000a006e62640008000a006e6264000c00050007010000000000000c00050002000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00060002000000000000000c00060001000000000000002c00078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB='\b\x00\n\x00nbd\x00'], 0xc4}, 0x1, 0x0, 0x0, 0x20008400}, 0x48000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x3, 0x2, 0x287d) (async) socket(0x26, 0xa, 0xdc8f) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000340), r4) (async) sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r8, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x200}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040440}, 0x1) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) socketpair(0x27, 0x80000, 0x1, &(0x7f0000000040)) (async) socket(0x28, 0x800, 0x200) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x7da71f684dd59e9f}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf250300000008000a006e62640008000a006e6264000c00050007010000000000000c00050002000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00060002000000000000000c00060001000000000000002c00078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB='\b\x00\n\x00nbd\x00'], 0xc4}, 0x1, 0x0, 0x0, 0x20008400}, 0x48000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100020000000000000000000c0018000000040007803e6740e9de1dd982e71234dcc1a4e5bc1e3061641f57b0000000000000"], 0x30}}, 0x0) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) ioctl$SYNC_IOC_MERGE(r3, 0xc0303e03, &(0x7f0000000040)={"6acef6ecf6cf3ea9de115c2b3ae4f6f57b99a229c6dc6c6c567369a60c484955"}) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000620000000000000000004000780e96234d69586624368652fa521cb173ee7bd2640e3584216830a8b16b7605e9951389264b44dc4e180f82d149b98906ccb2c9e81b3afd8db01008af587dccb2f66fafe6106cde8dba7a7f78332582ee4ae518a375896e10907861ca873c973abfb2166f6b82fc4e5b6dc6af6268f4efebeb57d789779a6818b0a9676b03a5844525e24e6007b44f9415b659d081795af40da1b8d0a6cd2999c3c7bb17cab4f62e2d90de0ec"], 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_open_dev$audion(&(0x7f0000000040), 0x10000, 0x40000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x60, r6, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a37}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '+!Y&)^#*:#\\$@('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'k('}]}, 0x60}, 0x1, 0x0, 0x0, 0x10}, 0x4000004) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000500)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c014}, 0x40050) r7 = syz_open_dev$audion(&(0x7f0000000080), 0x1000, 0x20000) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x24008884}, 0x4040081) 04:14:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)={0x30, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000400)={0x54, r2, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x54}}, 0x220400d1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$incfs(r3, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_JOIN_MCAST(r5, &(0x7f0000000580)={0x16, 0x98, 0xfa00, {&(0x7f0000000540), 0x0, 0xffffffffffffffff, 0x20, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0xa0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000300)={0xfffffffffffffffd, 0x0, &(0x7f00000002c0)={&(0x7f0000000200)={0x7c, r7, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x51}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x7c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="00001000", @ANYRES16=r2, @ANYBLOB="00022dbd7000fedbdf25010000000c00040001000100000000000c0002000600000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8080) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)={0x30, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000400)={0x54, r2, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x54}}, 0x220400d1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$incfs(r3, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x0) (async) write$RDMA_USER_CM_CMD_JOIN_MCAST(r5, &(0x7f0000000580)={0x16, 0x98, 0xfa00, {&(0x7f0000000540), 0x0, 0xffffffffffffffff, 0x20, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0xa0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r6) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000300)={0xfffffffffffffffd, 0x0, &(0x7f00000002c0)={&(0x7f0000000200)={0x7c, r7, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x51}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x7c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="00001000", @ANYRES16=r2, @ANYBLOB="00022dbd7000fedbdf25010000000c00040001000100000000000c0002000600000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8080) (async) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = socket(0x3, 0x2, 0x287d) (async) r3 = socket(0x26, 0xa, 0xdc8f) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) (async) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000340), r4) sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r8, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x200}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040440}, 0x1) (async) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) socketpair(0x27, 0x80000, 0x1, &(0x7f0000000040)={0xffffffffffffffff}) (async) r11 = socket(0x28, 0x800, 0x200) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x7da71f684dd59e9f}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf250300000008000a006e62640008000a006e6264000c00050007010000000000000c00050002000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00060002000000000000000c00060001000000000000002c00078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB='\b\x00\n\x00nbd\x00'], 0xc4}, 0x1, 0x0, 0x0, 0x20008400}, 0x48000) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000620000000000000000004000780e96234d69586624368652fa521cb173ee7bd2640e3584216830a8b16b7605e9951389264b44dc4e180f82d149b98906ccb2c9e81b3afd8db01008af587dccb2f66fafe6106cde8dba7a7f78332582ee4ae518a375896e10907861ca873c973abfb2166f6b82fc4e5b6dc6af6268f4efebeb57d789779a6818b0a9676b03a5844525e24e6007b44f9415b659d081795af40da1b8d0a6cd2999c3c7bb17cab4f62e2d90de0ec"], 0x30}}, 0x0) (async, rerun: 64) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 64) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) r4 = syz_open_dev$audion(&(0x7f0000000040), 0x10000, 0x40000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x60, r6, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a37}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '+!Y&)^#*:#\\$@('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'k('}]}, 0x60}, 0x1, 0x0, 0x0, 0x10}, 0x4000004) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000500)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c014}, 0x40050) (async) r7 = syz_open_dev$audion(&(0x7f0000000080), 0x1000, 0x20000) (async) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async, rerun: 32) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (rerun: 32) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x24008884}, 0x4040081) [ 1753.916727] nbd: must specify at least one socket 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100020000000000000000000c0018000000040007803e6740e9de1dd982e71234dcc1a4e5bc1e3061641f57b0000000000000"], 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$SYNC_IOC_MERGE(r3, 0xc0303e03, &(0x7f0000000040)={"6acef6ecf6cf3ea9de115c2b3ae4f6f57b99a229c6dc6c6c567369a60c484955"}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100020000000000000000000c0018000000040007803e6740e9de1dd982e71234dcc1a4e5bc1e3061641f57b0000000000000"], 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) ioctl$SYNC_IOC_MERGE(r3, 0xc0303e03, &(0x7f0000000040)={"6acef6ecf6cf3ea9de115c2b3ae4f6f57b99a229c6dc6c6c567369a60c484955"}) (async) 04:14:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) syz_open_dev$audion(&(0x7f0000000040), 0x6, 0x101000) syz_open_dev$audion(&(0x7f0000000240), 0x5, 0x80000) socketpair(0x11, 0x6, 0x4, &(0x7f00000002c0)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x1070bd26, 0x25dfdbfc}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c011}, 0x24004884) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40840}, 0x0) [ 1753.942510] nbd: must specify at least one socket 04:14:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x34, r6, 0x202, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+,'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x80000001}]}, 0x7d}, 0x1, 0x0, 0x0, 0x4c080}, 0x44) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) syz_open_dev$audion(&(0x7f0000000040), 0x6, 0x101000) syz_open_dev$audion(&(0x7f0000000240), 0x5, 0x80000) socketpair(0x11, 0x6, 0x4, &(0x7f00000002c0)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x1070bd26, 0x25dfdbfc}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c011}, 0x24004884) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40840}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f0000000040), 0x6, 0x101000) (async) syz_open_dev$audion(&(0x7f0000000240), 0x5, 0x80000) (async) socketpair(0x11, 0x6, 0x4, &(0x7f00000002c0)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x1070bd26, 0x25dfdbfc}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c011}, 0x24004884) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40840}, 0x0) (async) 04:14:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r1, 0x80089418, 0x0) syz_open_dev$audion(&(0x7f0000000040), 0x6, 0x101000) (async) syz_open_dev$audion(&(0x7f0000000240), 0x5, 0x80000) (async) socketpair(0x11, 0x6, 0x4, &(0x7f00000002c0)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x1070bd26, 0x25dfdbfc}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c011}, 0x24004884) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40840}, 0x0) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="be350000", @ANYRES16=r3, @ANYRESHEX=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70", 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, r2, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xea7e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x840}, 0x50) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x80000001, 0x321100) r6 = syz_open_dev$audion(&(0x7f0000000180), 0x2bf, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}]}, 0x64}}, 0x0) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000620000000000000000004000780e96234d69586624368652fa521cb173ee7bd2640e3584216830a8b16b7605e9951389264b44dc4e180f82d149b98906ccb2c9e81b3afd8db01008af587dccb2f66fafe6106cde8dba7a7f78332582ee4ae518a375896e10907861ca873c973abfb2166f6b82fc4e5b6dc6af6268f4efebeb57d789779a6818b0a9676b03a5844525e24e6007b44f9415b659d081795af40da1b8d0a6cd2999c3c7bb17cab4f62e2d90de0ec"], 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) r4 = syz_open_dev$audion(&(0x7f0000000040), 0x10000, 0x40000) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x60, r6, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a37}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '+!Y&)^#*:#\\$@('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'k('}]}, 0x60}, 0x1, 0x0, 0x0, 0x10}, 0x4000004) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000500)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c014}, 0x40050) r7 = syz_open_dev$audion(&(0x7f0000000080), 0x1000, 0x20000) (async) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, r2, 0x0, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x24008884}, 0x4040081) 04:14:31 executing program 2: setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'batadv_slave_1\x00', 0x0}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r2, @loopback}, 0x10) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'syztnl2\x00', &(0x7f0000000300)=ANY=[@ANYBLOB="737918e46e6c30000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000760000000000000034415005000660000ff0490787f000001ac141429443c8f830000000000000001ac14141200000001e0000002fffff4cb7f000001000080f87f00000100000009ac1414aa00000040ac1414bb00000009"]}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r5, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r6, @loopback}, 0x10) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000840)={&(0x7f00000003c0)={0x468, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xffffffff}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}]}}, {{0x8}, {0x174, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r0}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}]}}, {{0x8}, {0xb0, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8, 0x1, r2}, {0xc4, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x80000001}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x6}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r6}}}]}}]}, 0x468}, 0x1, 0x0, 0x0, 0x880}, 0x4001) r7 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x64, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_CONN_ID={0x8, 0x9, 0x3}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x17}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5, 0x21, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_SEND_SEQ={0x5}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'bond0\x00'}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x4006090}, 0x4000804) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT_TABLE(0xffffffffffffffff, 0x0, 0xcf, &(0x7f00000008c0)=0xfd, 0x4) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r9) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) 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(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x34, r6, 0x202, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+,'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x80000001}]}, 0x7d}, 0x1, 0x0, 0x0, 0x4c080}, 0x44) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (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(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x34, r6, 0x202, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+,'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x80000001}]}, 0x7d}, 0x1, 0x0, 0x0, 0x4c080}, 0x44) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) [ 1754.156843] nbd: must specify at least one socket 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="be350000", @ANYRES16=r3, @ANYRESHEX=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70", 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, r2, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xea7e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x840}, 0x50) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x80000001, 0x321100) (async) r6 = syz_open_dev$audion(&(0x7f0000000180), 0x2bf, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}]}, 0x64}}, 0x0) 04:14:31 executing program 2: setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'batadv_slave_1\x00', 0x0}) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r2, @loopback}, 0x10) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'syztnl2\x00', &(0x7f0000000300)=ANY=[@ANYBLOB="737918e46e6c30000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000760000000000000034415005000660000ff0490787f000001ac141429443c8f830000000000000001ac14141200000001e0000002fffff4cb7f000001000080f87f00000100000009ac1414aa00000040ac1414bb00000009"]}) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r5, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r6, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000840)={&(0x7f00000003c0)={0x468, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xffffffff}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}]}}, {{0x8}, {0x174, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r0}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}]}}, {{0x8}, {0xb0, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8, 0x1, r2}, {0xc4, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x80000001}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x6}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r6}}}]}}]}, 0x468}, 0x1, 0x0, 0x0, 0x880}, 0x4001) r7 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x64, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_CONN_ID={0x8, 0x9, 0x3}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x17}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5, 0x21, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_SEND_SEQ={0x5}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'bond0\x00'}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x4006090}, 0x4000804) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$MRT_TABLE(0xffffffffffffffff, 0x0, 0xcf, &(0x7f00000008c0)=0xfd, 0x4) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r9) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1754.249078] nbd: must specify at least one socket 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="be350000", @ANYRES16=r3, @ANYRESHEX=r2], 0x30}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000014}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4840}, 0x0) accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000001c0)={0x1f, 0x0, @none}, &(0x7f0000000200)=0xe, 0x800) 04:14:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (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$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x34, r6, 0x202, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+,'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x80000001}]}, 0x7d}, 0x1, 0x0, 0x0, 0x4c080}, 0x44) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = socket(0x2c, 0xa, 0x8001) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x180000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x8c, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbdb5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x44090}, 0x1fd9d1a65fe41228) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70", 0xffffffffffffffff}) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, r2, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xea7e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x840}, 0x50) (async) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x80000001, 0x321100) (async) r6 = syz_open_dev$audion(&(0x7f0000000180), 0x2bf, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}]}, 0x64}}, 0x0) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000014}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4840}, 0x0) (async) accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000001c0)={0x1f, 0x0, @none}, &(0x7f0000000200)=0xe, 0x800) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r5, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8313}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40) accept4$x25(r3, &(0x7f0000000040), &(0x7f0000000080)=0x12, 0x400) 04:14:31 executing program 2: setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'batadv_slave_1\x00', 0x0}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r2, @loopback}, 0x10) (async) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000380)={'syztnl2\x00', &(0x7f0000000300)=ANY=[@ANYBLOB="737918e46e6c30000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000760000000000000034415005000660000ff0490787f000001ac141429443c8f830000000000000001ac14141200000001e0000002fffff4cb7f000001000080f87f00000100000009ac1414aa00000040ac1414bb00000009"]}) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r5, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r5, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r6, @loopback}, 0x10) (async) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000840)={&(0x7f00000003c0)={0x468, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xffffffff}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}]}}, {{0x8}, {0x174, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r0}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}]}}, {{0x8}, {0xb0, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x4}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8, 0x1, r2}, {0xc4, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x80000001}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x6}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r6}}}]}}]}, 0x468}, 0x1, 0x0, 0x0, 0x880}, 0x4001) (async) r7 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x64, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_CONN_ID={0x8, 0x9, 0x3}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x17}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5, 0x21, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_SEND_SEQ={0x5}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'bond0\x00'}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x4006090}, 0x4000804) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$MRT_TABLE(0xffffffffffffffff, 0x0, 0xcf, &(0x7f00000008c0)=0xfd, 0x4) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r9) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000014}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4840}, 0x0) accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000001c0)={0x1f, 0x0, @none}, &(0x7f0000000200)=0xe, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000014}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4840}, 0x0) (async) accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000001c0)={0x1f, 0x0, @none}, &(0x7f0000000200)=0xe, 0x800) (async) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c0d0}, 0x80000) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r5, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8313}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40) accept4$x25(r3, &(0x7f0000000040), &(0x7f0000000080)=0x12, 0x400) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r5, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8313}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40) (async) accept4$x25(r3, &(0x7f0000000040), &(0x7f0000000080)=0x12, 0x400) (async) 04:14:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) r4 = socket(0x2c, 0xa, 0x8001) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x180000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x8c, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbdb5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x44090}, 0x1fd9d1a65fe41228) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 1754.568445] nbd: must specify at least one socket 04:14:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fanotify_mark(0xffffffffffffffff, 0x4, 0x11, 0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00') r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:31 executing program 2: setsockopt$bt_BT_POWER(0xffffffffffffffff, 0x112, 0x9, &(0x7f0000000000)=0xe9, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x200, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x60002080}, 0x0) 04:14:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20040015) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="036ab865000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780a73845efad734afbaf9616204cb88037f9cc40a8da7d286bebfdad66129e070bec3632e260ec87dd6bd31cafd4118c9225c02db0e334bcdef3bd02f9c48310ebd7c2fe607bc56200fa79cbd48ff6c5664d0ccde0a63cfae08c3e764259f2631ee17626ba3a4ff7d56b0857ee76da9627f9ddcba25aa6f0e81c66d6905489342836405691a8004d241ebb8043b43c0f3786d3f6495804a4dc74da0818b214a5094708d37736a4ff14b31ce672641fcb6342c1e75b97115d2ea56e86a108c7945cd0aaf9bd97"], 0x30}}, 0x0) [ 1754.600846] nbd: must specify at least one socket 04:14:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r5, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8313}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40) accept4$x25(r3, &(0x7f0000000040), &(0x7f0000000080)=0x12, 0x400) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r5, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8313}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40) (async) accept4$x25(r3, &(0x7f0000000040), &(0x7f0000000080)=0x12, 0x400) (async) 04:14:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c0d0}, 0x80000) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c0d0}, 0x80000) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:32 executing program 2: setsockopt$bt_BT_POWER(0xffffffffffffffff, 0x112, 0x9, &(0x7f0000000000)=0xe9, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x200, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x60002080}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) r4 = socket(0x2c, 0xa, 0x8001) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x180000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x8c, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbdb5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x44090}, 0x1fd9d1a65fe41228) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) socket(0x2c, 0xa, 0x8001) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x180000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x8c, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbdb5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x44090}, 0x1fd9d1a65fe41228) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r7) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20040015) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="036ab865000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780a73845efad734afbaf9616204cb88037f9cc40a8da7d286bebfdad66129e070bec3632e260ec87dd6bd31cafd4118c9225c02db0e334bcdef3bd02f9c48310ebd7c2fe607bc56200fa79cbd48ff6c5664d0ccde0a63cfae08c3e764259f2631ee17626ba3a4ff7d56b0857ee76da9627f9ddcba25aa6f0e81c66d6905489342836405691a8004d241ebb8043b43c0f3786d3f6495804a4dc74da0818b214a5094708d37736a4ff14b31ce672641fcb6342c1e75b97115d2ea56e86a108c7945cd0aaf9bd97"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20040015) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="036ab865000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780a73845efad734afbaf9616204cb88037f9cc40a8da7d286bebfdad66129e070bec3632e260ec87dd6bd31cafd4118c9225c02db0e334bcdef3bd02f9c48310ebd7c2fe607bc56200fa79cbd48ff6c5664d0ccde0a63cfae08c3e764259f2631ee17626ba3a4ff7d56b0857ee76da9627f9ddcba25aa6f0e81c66d6905489342836405691a8004d241ebb8043b43c0f3786d3f6495804a4dc74da0818b214a5094708d37736a4ff14b31ce672641fcb6342c1e75b97115d2ea56e86a108c7945cd0aaf9bd97"], 0x30}}, 0x0) (async) 04:14:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) fanotify_mark(0xffffffffffffffff, 0x4, 0x11, 0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00') (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) 04:14:32 executing program 2: setsockopt$bt_BT_POWER(0xffffffffffffffff, 0x112, 0x9, &(0x7f0000000000)=0xe9, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x200, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x60002080}, 0x0) setsockopt$bt_BT_POWER(0xffffffffffffffff, 0x112, 0x9, &(0x7f0000000000)=0xe9, 0x1) (async) syz_init_net_socket$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) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r1, 0x200, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x60002080}, 0x0) (async) [ 1754.806440] nla_parse: 37 callbacks suppressed [ 1754.806445] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1754.833540] nbd: must specify at least one socket 04:14:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c0d0}, 0x80000) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c0d0}, 0x80000) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20040015) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="036ab865000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780a73845efad734afbaf9616204cb88037f9cc40a8da7d286bebfdad66129e070bec3632e260ec87dd6bd31cafd4118c9225c02db0e334bcdef3bd02f9c48310ebd7c2fe607bc56200fa79cbd48ff6c5664d0ccde0a63cfae08c3e764259f2631ee17626ba3a4ff7d56b0857ee76da9627f9ddcba25aa6f0e81c66d6905489342836405691a8004d241ebb8043b43c0f3786d3f6495804a4dc74da0818b214a5094708d37736a4ff14b31ce672641fcb6342c1e75b97115d2ea56e86a108c7945cd0aaf9bd97"], 0x30}}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) fanotify_mark(0xffffffffffffffff, 0x4, 0x11, 0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00') r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) 04:14:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000500)) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x17220d7d7178b0ee}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x60, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000090}, 0x20000000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20008080) r6 = openat$vmci(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) ioctl$IOCTL_VMCI_INIT_CONTEXT(r6, 0x7a0, &(0x7f0000000200)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r4, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fcdbdf25020000000c000800080000000000000008000a006e626400080001000000000008000100000000000c000300020000000000000004000a00381d75d162e6416fb4bb75dbe64ded6291bdd7ecd881e4245e90bc3e6d1af927b9dbc57fc9dea0c7dcf1cefd91495aeef5bf9e49d7e6ca02d4398fc3d9837ef03ff3f4aa8a2fe690a08649aa29175a2f2af81bf65d67f8"], 0x48}, 0x1, 0x0, 0x0, 0x40000000}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)={0x64, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r6) [ 1755.012703] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1755.041727] nbd: must specify at least one socket 04:14:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) getdents64(r4, &(0x7f0000000040)=""/74, 0x4a) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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"/328, @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) 04:14:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000500)) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x17220d7d7178b0ee}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x60, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000090}, 0x20000000) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20008080) r6 = openat$vmci(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) ioctl$IOCTL_VMCI_INIT_CONTEXT(r6, 0x7a0, &(0x7f0000000200)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r4, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (rerun: 32) 04:14:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01003ebd7000fbdbdf25ec"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080025bd7000fedbdf25020000000c00080005000000000000000c000300070000000000000006000a022b7d00000c00030009000000000000000c00060000000000000000000c0003001f560000000000000c00040001000100000000000c0002000500000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4004}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fcdbdf25020000000c000800080000000000000008000a006e626400080001000000000008000100000000000c000300020000000000000004000a00381d75d162e6416fb4bb75dbe64ded6291bdd7ecd881e4245e90bc3e6d1af927b9dbc57fc9dea0c7dcf1cefd91495aeef5bf9e49d7e6ca02d4398fc3d9837ef03ff3f4aa8a2fe690a08649aa29175a2f2af81bf65d67f8"], 0x48}, 0x1, 0x0, 0x0, 0x40000000}, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)={0x64, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r6) 04:14:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) getdents64(r4, &(0x7f0000000040)=""/74, 0x4a) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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"/328, @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3f7499", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x20008085}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) getdents64(r4, &(0x7f0000000040)=""/74, 0x4a) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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"/328, @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) getdents64(r4, &(0x7f0000000040)=""/74, 0x4a) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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"/328, @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600010000000000000004000780"], 0x30}}, 0x0) (async) 04:14:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (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$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01003ebd7000fbdbdf25ec"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080025bd7000fedbdf25020000000c00080005000000000000000c000300070000000000000006000a022b7d00000c00030009000000000000000c00060000000000000000000c0003001f560000000000000c00040001000100000000000c0002000500000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4004}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000500)) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x17220d7d7178b0ee}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x60, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000090}, 0x20000000) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20008080) (async) r6 = openat$vmci(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) ioctl$IOCTL_VMCI_INIT_CONTEXT(r6, 0x7a0, &(0x7f0000000200)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r4, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3f7499", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x20008085}, 0x0) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fcdbdf25020000000c000800080000000000000008000a006e626400080001000000000008000100000000000c000300020000000000000004000a00381d75d162e6416fb4bb75dbe64ded6291bdd7ecd881e4245e90bc3e6d1af927b9dbc57fc9dea0c7dcf1cefd91495aeef5bf9e49d7e6ca02d4398fc3d9837ef03ff3f4aa8a2fe690a08649aa29175a2f2af81bf65d67f8"], 0x48}, 0x1, 0x0, 0x0, 0x40000000}, 0x0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 64) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)={0x64, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async, rerun: 64) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r6) 04:14:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x4, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x45}]}, 0x4c}}, 0x2000c800) 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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe88}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x80) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="03000000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x20004000}, 0x0) 04:14:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="3f7499", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x20008085}, 0x0) 04:14:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01003ebd7000fbdbdf25ec"], 0x50}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080025bd7000fedbdf25020000000c00080005000000000000000c000300070000000000000006000a022b7d00000c00030009000000000000000c00060000000000000000000c0003001f560000000000000c00040001000100000000000c0002000500000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4004}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01003ebd7000fbdbdf25ec"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080025bd7000fedbdf25020000000c00080005000000000000000c000300070000000000000006000a022b7d00000c00030009000000000000000c00060000000000000000000c0003001f560000000000000c00040001000100000000000c0002000500000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x4004}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x20004000}, 0x0) [ 1755.448154] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.2'. 04:14:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) 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(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r6, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x68}}, 0x4001) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r7) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r8, 0x904, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}]}, 0x28}, 0x1, 0x0, 0x0, 0x200000c0}, 0x810) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000400)='ns/pid_for_children\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x20004000}, 0x0) [ 1755.490271] nbd: must specify at least one socket 04:14:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x4, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x45}]}, 0x4c}}, 0x2000c800) (rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe88}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x80) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="03000000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:32 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r1, 0x400, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x913}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8003}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x38}}, 0x0) 04:14:32 executing program 1: setsockopt$MRT_DEL_MFC_PROXY(0xffffffffffffffff, 0x0, 0xd3, &(0x7f0000000200)={@private=0xa010101, @empty, 0xffffffffffffffff, "69536574521f017e221d390e1f082c23121b2872bf077d66ba5c80a0a4ed9b43", 0x8fa6, 0x7fffffff, 0x7fff, 0x8}, 0x3c) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fddbf2490c00030001000000000000000c0008000100000000000042e0965bd73008d108a8f0a385190000000000a1f2a9e5e27e56b65eabe66dc990faaf845f6d6c61aaf1244074c34dd69ddde5f0fac85d0fb145ab7a267dfe0d74c3324b1da9a4fd9dbf8b2a9a02fd4cf171f1b3b0d47676c966cdde3339f15edc06525105006d5bcff52eb1a099b1db437f1ec7c98889a2aba34d1a26cdac11182f8d98537dd6d487fbf51512f780b719"], 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r6 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000380)='.log\x00', 0x84400, 0xd) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r5, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '^[#/.'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x48800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01e0ff00000000000200010000000c100200000000000000bf1398599c373fda7e80f368192500000000000400078000"/58], 0x30}}, 0x0) 04:14:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x4c, 0x0, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '*'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40800}, 0x8001) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8810}, 0x8001) ioctl$SIOCGETSGCNT_IN6(r3, 0x89e1, &(0x7f0000000080)={@loopback, @ipv4={'\x00', '\xff\xff', @multicast1}}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) r8 = socket(0x2b, 0x80000, 0x5) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000680)={&(0x7f0000000540), 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0xa0, 0x0, 0x0, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x68, r7, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1000fdffffff00000000010000000c00020000000000000000000c000400030000000000000004000780080001000000000008000a006e626400080001000000000004000780"], 0x58}}, 0x0) [ 1755.550768] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1755.576195] nbd: must specify at least one socket 04:14:33 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000000140), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r1, 0x400, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x913}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8003}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x38}}, 0x0) [ 1755.674083] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1755.689736] nbd: must specify at least one socket 04:14:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (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) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r6, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x68}}, 0x4001) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r7) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r8, 0x904, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}]}, 0x28}, 0x1, 0x0, 0x0, 0x200000c0}, 0x810) 04:14:33 executing program 1: setsockopt$MRT_DEL_MFC_PROXY(0xffffffffffffffff, 0x0, 0xd3, &(0x7f0000000200)={@private=0xa010101, @empty, 0xffffffffffffffff, "69536574521f017e221d390e1f082c23121b2872bf077d66ba5c80a0a4ed9b43", 0x8fa6, 0x7fffffff, 0x7fff, 0x8}, 0x3c) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fddbf2490c00030001000000000000000c0008000100000000000042e0965bd73008d108a8f0a385190000000000a1f2a9e5e27e56b65eabe66dc990faaf845f6d6c61aaf1244074c34dd69ddde5f0fac85d0fb145ab7a267dfe0d74c3324b1da9a4fd9dbf8b2a9a02fd4cf171f1b3b0d47676c966cdde3339f15edc06525105006d5bcff52eb1a099b1db437f1ec7c98889a2aba34d1a26cdac11182f8d98537dd6d487fbf51512f780b719"], 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r6 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000380)='.log\x00', 0x84400, 0xd) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r5, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '^[#/.'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x48800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) setsockopt$MRT_DEL_MFC_PROXY(0xffffffffffffffff, 0x0, 0xd3, &(0x7f0000000200)={@private=0xa010101, @empty, 0xffffffffffffffff, "69536574521f017e221d390e1f082c23121b2872bf077d66ba5c80a0a4ed9b43", 0x8fa6, 0x7fffffff, 0x7fff, 0x8}, 0x3c) (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$nbd(&(0x7f0000000140), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fddbf2490c00030001000000000000000c0008000100000000000042e0965bd73008d108a8f0a385190000000000a1f2a9e5e27e56b65eabe66dc990faaf845f6d6c61aaf1244074c34dd69ddde5f0fac85d0fb145ab7a267dfe0d74c3324b1da9a4fd9dbf8b2a9a02fd4cf171f1b3b0d47676c966cdde3339f15edc06525105006d5bcff52eb1a099b1db437f1ec7c98889a2aba34d1a26cdac11182f8d98537dd6d487fbf51512f780b719"], 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000380)='.log\x00', 0x84400, 0xd) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r5, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '^[#/.'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x48800}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01e0ff00000000000200010000000c100200000000000000bf1398599c373fda7e80f368192500000000000400078000"/58], 0x30}}, 0x0) [ 1755.718023] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.0'. 04:14:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000040)={0x4c, r2, 0x4, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x45}]}, 0x4c}}, 0x2000c800) (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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe88}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x80) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="03000000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) 04:14:33 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, r1, 0x400, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x913}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8003}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x38}}, 0x0) [ 1755.761234] nbd: must specify at least one socket 04:14:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x4c, 0x0, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '*'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40800}, 0x8001) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8810}, 0x8001) ioctl$SIOCGETSGCNT_IN6(r3, 0x89e1, &(0x7f0000000080)={@loopback, @ipv4={'\x00', '\xff\xff', @multicast1}}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) r8 = socket(0x2b, 0x80000, 0x5) (async) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000680)={&(0x7f0000000540), 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0xa0, 0x0, 0x0, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x68, r7, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1000fdffffff00000000010000000c00020000000000000000000c000400030000000000000004000780080001000000000008000a006e626400080001000000000004000780"], 0x58}}, 0x0) 04:14:33 executing program 1: setsockopt$MRT_DEL_MFC_PROXY(0xffffffffffffffff, 0x0, 0xd3, &(0x7f0000000200)={@private=0xa010101, @empty, 0xffffffffffffffff, "69536574521f017e221d390e1f082c23121b2872bf077d66ba5c80a0a4ed9b43", 0x8fa6, 0x7fffffff, 0x7fff, 0x8}, 0x3c) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fddbf2490c00030001000000000000000c0008000100000000000042e0965bd73008d108a8f0a385190000000000a1f2a9e5e27e56b65eabe66dc990faaf845f6d6c61aaf1244074c34dd69ddde5f0fac85d0fb145ab7a267dfe0d74c3324b1da9a4fd9dbf8b2a9a02fd4cf171f1b3b0d47676c966cdde3339f15edc06525105006d5bcff52eb1a099b1db437f1ec7c98889a2aba34d1a26cdac11182f8d98537dd6d487fbf51512f780b719"], 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r6 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000380)='.log\x00', 0x84400, 0xd) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) r8 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r5, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '^[#/.'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x48800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) setsockopt$MRT_DEL_MFC_PROXY(0xffffffffffffffff, 0x0, 0xd3, &(0x7f0000000200)={@private=0xa010101, @empty, 0xffffffffffffffff, "69536574521f017e221d390e1f082c23121b2872bf077d66ba5c80a0a4ed9b43", 0x8fa6, 0x7fffffff, 0x7fff, 0x8}, 0x3c) (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$nbd(&(0x7f0000000140), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fddbf2490c00030001000000000000000c0008000100000000000042e0965bd73008d108a8f0a385190000000000a1f2a9e5e27e56b65eabe66dc990faaf845f6d6c61aaf1244074c34dd69ddde5f0fac85d0fb145ab7a267dfe0d74c3324b1da9a4fd9dbf8b2a9a02fd4cf171f1b3b0d47676c966cdde3339f15edc06525105006d5bcff52eb1a099b1db437f1ec7c98889a2aba34d1a26cdac11182f8d98537dd6d487fbf51512f780b719"], 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000380)='.log\x00', 0x84400, 0xd) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r8, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r5, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '^[#/.'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x48800}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01e0ff00000000000200010000000c100200000000000000bf1398599c373fda7e80f368192500000000000400078000"/58], 0x30}}, 0x0) [ 1755.823806] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1755.861745] nbd: must specify at least one socket 04:14:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x4c, 0x0, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '*'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40800}, 0x8001) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8810}, 0x8001) ioctl$SIOCGETSGCNT_IN6(r3, 0x89e1, &(0x7f0000000080)={@loopback, @ipv4={'\x00', '\xff\xff', @multicast1}}) (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$nbd(&(0x7f0000000140), r5) r8 = socket(0x2b, 0x80000, 0x5) (async) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000680)={&(0x7f0000000540), 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0xa0, 0x0, 0x0, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x68, r7, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1000fdffffff00000000010000000c00020000000000000000000c000400030000000000000004000780080001000000000008000a006e626400080001000000000004000780"], 0x58}}, 0x0) (rerun: 64) 04:14:33 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000006000000000001000000c5a0c7eb0b53fe2c8c2b832cac2f7137f9c361787cf76d9736bda3c3e4778c74a3c84d28fe9056f042"], 0x14}}, 0x880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:14:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="e6dfe876", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf3d00020000000000000000c002e0000000000000045b507ae2ea9c524d873cf32030000040007809dc9802f8baeec654095fcf1b2a2cc6ddba77aefbe38e10817eae2fe6b31679304123c76e8b232e6b5d5ec7cb8a8550d3830104636ec5e77f2d497bcee050316dafab26bcc906f7f993aebd50fba53987135fe9d341d1bbc286471729ac2935512c73b0003a182cbb5c2"], 0x30}}, 0x0) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x10, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x2449f590}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x48010) 04:14:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$IOCTL_VMCI_VERSION(r3, 0x79f, &(0x7f0000000000)=0xb0000) [ 1755.952994] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1755.978016] nbd: must specify at least one socket [ 1756.094436] nbd: must specify at least one socket [ 1756.110330] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1756.129450] nbd: must specify at least one socket 04:14:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) r3 = syz_init_net_socket$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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r6, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x68}}, 0x4001) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r7) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r8, 0x904, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}]}, 0x28}, 0x1, 0x0, 0x0, 0x200000c0}, 0x810) 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$nbd(&(0x7f0000000140), r1) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (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(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r6, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x68}}, 0x4001) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r7) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x28, r8, 0x904, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}]}, 0x28}, 0x1, 0x0, 0x0, 0x200000c0}, 0x810) (async) 04:14:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="e6dfe876", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf3d00020000000000000000c002e0000000000000045b507ae2ea9c524d873cf32030000040007809dc9802f8baeec654095fcf1b2a2cc6ddba77aefbe38e10817eae2fe6b31679304123c76e8b232e6b5d5ec7cb8a8550d3830104636ec5e77f2d497bcee050316dafab26bcc906f7f993aebd50fba53987135fe9d341d1bbc286471729ac2935512c73b0003a182cbb5c2"], 0x30}}, 0x0) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x10, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x2449f590}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x48010) 04:14:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000cc0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c0006000000000000000000040007808b8a3ab7b884e60ea94c2427afeda1b953e4dbacbc04cc206bc7f2e579290aea49f7a3ed0788582847ea21fefc053e1c030d0cee5a293f8c95328d50d8dcac518e7cda4f450504be9ad7787f40adb52f921964a43b6644bf9b"], 0x30}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000380)={'veth1_to_hsr\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'macvtap0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000400)=ANY=[@ANYBLOB='0\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="000029bd7000fedbdf250100000008000100", @ANYRES32=r3, @ANYBLOB="400002803c000100240001006d6f64650000000000000000000000000000000000000000000000000000000005000300050000000b00040072616e646f6d000008000100", @ANYRES32=0x0, @ANYBLOB="9c0102803c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e740000000000000000000000000000050003000300000008000400f8ffffff400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400ffd8491508000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004009f00000038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400000000803c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e7400000000000000000000000000000500030003000000080004000000010008000100", @ANYRES32=r4, @ANYBLOB="3c00028038000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000040000008000100", @ANYRES32=r5, @ANYBLOB="740202803c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000009000400686173680000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="0800070000000000400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000000000008000600", @ANYRES32=r6, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004008000000008000600", @ANYRES32=r7, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r8, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040000100000080007000000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000700000000003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="2c01028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400b70f000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000800000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=r13, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040003000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="3402028038000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004000200000040000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b00000008000400000200000800070000000000400001002400010071756575655f696400000000000000000000000000000000000000000000000005000300030000000800040019d5000008000600", @ANYRES32=r14, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000640", @ANYRES32=0x0, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r15, @ANYBLOB="4c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000019000400686173685f746f5f706f72745f6d617070696e670000000044000100240001006d6f6465000000000000000000000000000000000000000000000000000000000500030005000000110004006163746976656261636b7570000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f636f756e74000000000000000000000000000005000300030000000800040009000000"], 0x830}, 0x1, 0x0, 0x0, 0x40000}, 0x4011) 04:14:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$IOCTL_VMCI_VERSION(r3, 0x79f, &(0x7f0000000000)=0xb0000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) (async) ioctl$IOCTL_VMCI_VERSION(r3, 0x79f, &(0x7f0000000000)=0xb0000) (async) 04:14:33 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000006000000000001000000c5a0c7eb0b53fe2c8c2b832cac2f7137f9c361787cf76d9736bda3c3e4778c74a3c84d28fe9056f042"], 0x14}}, 0x880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000006000000000001000000c5a0c7eb0b53fe2c8c2b832cac2f7137f9c361787cf76d9736bda3c3e4778c74a3c84d28fe9056f042"], 0x14}}, 0x880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:14:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 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(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) r10 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r10, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r6, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4b}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x90}, 0x1, 0x0, 0x0, 0x24040000}, 0x0) 04:14:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000cc0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c0006000000000000000000040007808b8a3ab7b884e60ea94c2427afeda1b953e4dbacbc04cc206bc7f2e579290aea49f7a3ed0788582847ea21fefc053e1c030d0cee5a293f8c95328d50d8dcac518e7cda4f450504be9ad7787f40adb52f921964a43b6644bf9b"], 0x30}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) (rerun: 32) r10 = socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'team0\x00', 0x0}) (async, rerun: 32) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000380)={'veth1_to_hsr\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'macvtap0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000400)=ANY=[@ANYBLOB='0\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="000029bd7000fedbdf250100000008000100", @ANYRES32=r3, @ANYBLOB="400002803c000100240001006d6f64650000000000000000000000000000000000000000000000000000000005000300050000000b00040072616e646f6d000008000100", @ANYRES32=0x0, @ANYBLOB="9c0102803c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e740000000000000000000000000000050003000300000008000400f8ffffff400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400ffd8491508000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004009f00000038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400000000803c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e7400000000000000000000000000000500030003000000080004000000010008000100", @ANYRES32=r4, @ANYBLOB="3c00028038000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000040000008000100", @ANYRES32=r5, @ANYBLOB="740202803c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000009000400686173680000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="0800070000000000400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000000000008000600", @ANYRES32=r6, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004008000000008000600", @ANYRES32=r7, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r8, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040000100000080007000000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000700000000003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="2c01028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400b70f000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000800000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=r13, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040003000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="3402028038000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004000200000040000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b00000008000400000200000800070000000000400001002400010071756575655f696400000000000000000000000000000000000000000000000005000300030000000800040019d5000008000600", @ANYRES32=r14, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000640", @ANYRES32=0x0, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r15, @ANYBLOB="4c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000019000400686173685f746f5f706f72745f6d617070696e670000000044000100240001006d6f6465000000000000000000000000000000000000000000000000000000000500030005000000110004006163746976656261636b7570000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f636f756e74000000000000000000000000000005000300030000000800040009000000"], 0x830}, 0x1, 0x0, 0x0, 0x40000}, 0x4011) [ 1756.659496] nbd: must specify at least one socket [ 1756.675978] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1756.701085] nbd: must specify at least one socket 04:14:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) r10 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r10, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r6, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4b}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x90}, 0x1, 0x0, 0x0, 0x24040000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 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(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r10, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r6, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4b}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x90}, 0x1, 0x0, 0x0, 0x24040000}, 0x0) (async) 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="e6dfe876", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf3d00020000000000000000c002e0000000000000045b507ae2ea9c524d873cf32030000040007809dc9802f8baeec654095fcf1b2a2cc6ddba77aefbe38e10817eae2fe6b31679304123c76e8b232e6b5d5ec7cb8a8550d3830104636ec5e77f2d497bcee050316dafab26bcc906f7f993aebd50fba53987135fe9d341d1bbc286471729ac2935512c73b0003a182cbb5c2"], 0x30}}, 0x0) (async) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x10, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x2449f590}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x48010) 04:14:34 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$nbd(&(0x7f0000000140), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000006000000000001000000c5a0c7eb0b53fe2c8c2b832cac2f7137f9c361787cf76d9736bda3c3e4778c74a3c84d28fe9056f042"], 0x14}}, 0x880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1756.772726] nbd: must specify at least one socket 04:14:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000cc0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c0006000000000000000000040007808b8a3ab7b884e60ea94c2427afeda1b953e4dbacbc04cc206bc7f2e579290aea49f7a3ed0788582847ea21fefc053e1c030d0cee5a293f8c95328d50d8dcac518e7cda4f450504be9ad7787f40adb52f921964a43b6644bf9b"], 0x30}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) r10 = socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = socket$igmp(0x2, 0x3, 0x2) ioctl$BTRFS_IOC_WAIT_SYNC(r11, 0x40089416, &(0x7f0000000640)) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) setsockopt$MRT_ADD_VIF(r11, 0x0, 0xca, &(0x7f0000000280)={0x0, 0x8, 0x80, 0x3, @vifc_lcl_ifindex=r12, @loopback}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'team0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000380)={'veth1_to_hsr\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'macvtap0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000c80)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000400)=ANY=[@ANYBLOB='0\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="000029bd7000fedbdf250100000008000100", @ANYRES32=r3, @ANYBLOB="400002803c000100240001006d6f64650000000000000000000000000000000000000000000000000000000005000300050000000b00040072616e646f6d000008000100", @ANYRES32=0x0, @ANYBLOB="9c0102803c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e740000000000000000000000000000050003000300000008000400f8ffffff400001002400010071756575655f6964000000000000000000000000000000000000000000000000050003000300000008000400ffd8491508000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004009f00000038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000050003000300000008000400000000803c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e7400000000000000000000000000000500030003000000080004000000010008000100", @ANYRES32=r4, @ANYBLOB="3c00028038000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000500030003000000080004000040000008000100", @ANYRES32=r5, @ANYBLOB="740202803c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000009000400686173680000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="0800070000000000400001002400010071756575655f69640000000000000000000000000000000000000000000000000500030003000000080004000000000008000600", @ANYRES32=r6, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040001000000080007000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004008000000008000600", @ANYRES32=r7, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r8, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040000100000080007000000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB="08000700000000003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000000000008000600", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="2c01028038000100240001006d636173745f72656a6f696e5f696e74657276616c0000000000000000000000050003000300000008000400b70f000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000800000038000100240001006d636173745f72656a6f696e5f636f756e7400000000000000000000000000000500030003000000080004000100000040000100240001007072696f72697479000000000000000000000000000000000000000000000000050003000e000000080004000400000008000600", @ANYRES32=r13, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b0000000800040003000000080007000000000008000100", @ANYRES32=0x0, @ANYBLOB="3402028038000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000500030003000000080004000200000040000100240001006c625f686173685f737461747300000000000000000000000000000000000000050003000b00000008000400000200000800070000000000400001002400010071756575655f696400000000000000000000000000000000000000000000000005000300030000000800040019d5000008000600", @ANYRES32=r14, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000640", @ANYRES32=0x0, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000050003000300000008000400", @ANYRES32=r15, @ANYBLOB="4c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000050003000500000019000400686173685f746f5f706f72745f6d617070696e670000000044000100240001006d6f6465000000000000000000000000000000000000000000000000000000000500030005000000110004006163746976656261636b7570000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000005000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f636f756e74000000000000000000000000000005000300030000000800040009000000"], 0x830}, 0x1, 0x0, 0x0, 0x40000}, 0x4011) 04:14:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) ioctl$IOCTL_VMCI_VERSION(r3, 0x79f, &(0x7f0000000000)=0xb0000) 04:14:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x44, r2, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}]}, 0x44}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30c15e934569764260fd0744f523000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, 0xffffffffffffffff, 0x4000804) [ 1756.918779] nbd: must specify at least one socket 04:14:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$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$nbd(&(0x7f0000000140), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) r7 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r9 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) r10 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r10, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r6, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4b}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x90}, 0x1, 0x0, 0x0, 0x24040000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 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(&(0x7f0000000140), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fbdbdf2501"], 0x50}}, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r7, 0x80089418, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r9, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r10, 0x80089418, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r6, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4b}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x90}, 0x1, 0x0, 0x0, 0x24040000}, 0x0) (async) 04:14:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30c15e934569764260fd0744f523000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, 0xffffffffffffffff, 0x4000804) 04:14:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) 04:14:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0xffffffc8, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000a23c00060001000000000000000400078062acb4d39e1f15e58db638cf06f924d98e8c0de670d20b2c71379eeb2943a8a5ff5907a3b148a31429d10e425ac70cf067c4039779fb342c8f6d468566c41c4b321810d254567d366e271507e50368"], 0x30}}, 0x40080) 04:14:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x44, r2, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}]}, 0x44}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="30c15e934569764260fd0744f523000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000600000000000000000004000780"], 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, 0xffffffffffffffff, 0x4000804) [ 1757.074880] nbd: must specify at least one socket 04:14:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000200)={0x6, "16b5ca241203531857283bc7110b3aa4036aaff046a71700aaca9eac6b5a4f70"}) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (rerun: 32) 04:14:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 04:14:34 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) getdents64(r0, &(0x7f0000000000)=""/167, 0xa7) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002cbd7000fedbdf25030000000c0002000000016175e4696f23000c00040001000000000000000c00030068000000000000000c0003000080be00c856ffebd40c0005002b000000000000000c0005000200000000000000"], 0x6c}}, 0x48001) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[], 0x30}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r5) [ 1757.140634] nbd: must specify at least one socket 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$char_usb(0xc, 0xb4, 0x3) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) syz_open_dev$audion(&(0x7f0000000040), 0xfffffffffffffffb, 0x90402) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x68, r2, 0x800, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4f54}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}]}, 0x68}, 0x1, 0x0, 0x0, 0x60008095}, 0x11) 04:14:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x44, r2, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}]}, 0x44}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) [ 1757.163270] nbd: must specify at least one socket 04:14:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0xffffffc8, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000a23c00060001000000000000000400078062acb4d39e1f15e58db638cf06f924d98e8c0de670d20b2c71379eeb2943a8a5ff5907a3b148a31429d10e425ac70cf067c4039779fb342c8f6d468566c41c4b321810d254567d366e271507e50368"], 0x30}}, 0x40080) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0xffffffc8, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000a23c00060001000000000000000400078062acb4d39e1f15e58db638cf06f924d98e8c0de670d20b2c71379eeb2943a8a5ff5907a3b148a31429d10e425ac70cf067c4039779fb342c8f6d468566c41c4b321810d254567d366e271507e50368"], 0x30}}, 0x40080) (async) 04:14:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200c0e811ca397e62570c000600020000000000000004000780"], 0x30}}, 0x0) 04:14:34 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) (async) getdents64(r0, &(0x7f0000000000)=""/167, 0xa7) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002cbd7000fedbdf25030000000c0002000000016175e4696f23000c00040001000000000000000c00030068000000000000000c0003000080be00c856ffebd40c0005002b000000000000000c0005000200000000000000"], 0x6c}}, 0x48001) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[], 0x30}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r5) 04:14:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$char_usb(0xc, 0xb4, 0x3) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) r4 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) syz_open_dev$audion(&(0x7f0000000040), 0xfffffffffffffffb, 0x90402) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x68, r2, 0x800, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4f54}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}]}, 0x68}, 0x1, 0x0, 0x0, 0x60008095}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$char_usb(0xc, 0xb4, 0x3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) (async) syz_open_dev$audion(&(0x7f0000000040), 0xfffffffffffffffb, 0x90402) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x68, r2, 0x800, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4f54}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}]}, 0x68}, 0x1, 0x0, 0x0, 0x60008095}, 0x11) (async) 04:14:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0xffffffc8, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000a23c00060001000000000000000400078062acb4d39e1f15e58db638cf06f924d98e8c0de670d20b2c71379eeb2943a8a5ff5907a3b148a31429d10e425ac70cf067c4039779fb342c8f6d468566c41c4b321810d254567d366e271507e50368"], 0x30}}, 0x40080) 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$nbd(&(0x7f0000000140), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0xffffffc8, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000a23c00060001000000000000000400078062acb4d39e1f15e58db638cf06f924d98e8c0de670d20b2c71379eeb2943a8a5ff5907a3b148a31429d10e425ac70cf067c4039779fb342c8f6d468566c41c4b321810d254567d366e271507e50368"], 0x30}}, 0x40080) (async) 04:14:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, 0x0) r6 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r6, 0x80089418, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x64, 0x0, 0x20c, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x8800) 04:14:34 executing program 0: r0 = syz_open_dev$audion(&(0x7f00000004c0), 0x0, 0x0) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, 0x0) (async) getdents64(r0, &(0x7f0000000000)=""/167, 0xa7) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002cbd7000fedbdf25030000000c0002000000016175e4696f23000c00040001000000000000000c00030068000000000000000c0003000080be00c856ffebd40c0005002b000000000000000c0005000200000000000000"], 0x6c}}, 0x48001) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[], 0x30}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r5) [ 1757.469319] refcount_t: underflow; use-after-free. [ 1757.486677] ------------[ cut here ]------------ [ 1757.491465] WARNING: CPU: 1 PID: 11585 at lib/refcount.c:281 refcount_dec_not_one.cold+0x18/0x25 [ 1757.500382] Kernel panic - not syncing: panic_on_warn set ... [ 1757.500382] [ 1757.507736] CPU: 1 PID: 11585 Comm: systemd-udevd Not tainted 4.14.290-syzkaller #0 [ 1757.515555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1757.524904] Call Trace: [ 1757.527490] dump_stack+0x1b2/0x281 [ 1757.531117] panic+0x1f9/0x42d [ 1757.534301] ? add_taint.cold+0x16/0x16 [ 1757.538255] ? refcount_dec_not_one.cold+0x18/0x25 [ 1757.543165] ? refcount_dec_not_one.cold+0x18/0x25 [ 1757.548186] __warn.cold+0x20/0x44 [ 1757.551713] ? ist_end_non_atomic+0x10/0x10 [ 1757.556013] ? refcount_dec_not_one.cold+0x18/0x25 [ 1757.560917] report_bug+0x208/0x250 [ 1757.564526] do_error_trap+0x195/0x2d0 [ 1757.568516] ? math_error+0x2d0/0x2d0 [ 1757.572294] ? ___preempt_schedule+0x16/0x18 [ 1757.576680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1757.581500] invalid_op+0x1b/0x40 [ 1757.584941] RIP: 0010:refcount_dec_not_one.cold+0x18/0x25 [ 1757.590448] RSP: 0018:ffff88809baefc38 EFLAGS: 00010286 [ 1757.595786] RAX: 0000000000000026 RBX: 0000000000000000 RCX: 0000000000000000 [ 1757.603031] RDX: 0000000000000000 RSI: ffffffff878bc880 RDI: ffffed101375df7d [ 1757.610287] RBP: ffff8880afa88698 R08: 0000000000000026 R09: 0000000000000000 [ 1757.617532] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 1757.624776] R13: 0000000000000000 R14: ffffed100ec9a076 R15: ffff8880afa886a8 [ 1757.632035] ? refcount_dec_not_one.cold+0x18/0x25 [ 1757.636939] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1757.641942] refcount_dec_and_mutex_lock+0x1a/0x60 [ 1757.646853] nbd_config_put+0x442/0x6c0 [ 1757.650817] nbd_release+0xdf/0x150 [ 1757.654428] ? nbd_ioctl+0xac0/0xac0 [ 1757.658116] __blkdev_put+0x5aa/0x800 [ 1757.661896] ? revalidate_disk+0x1f0/0x1f0 [ 1757.666106] ? locks_remove_file+0x2cd/0x420 [ 1757.670487] ? blkdev_put+0x75/0x4c0 [ 1757.674177] ? blkdev_put+0x4c0/0x4c0 [ 1757.677955] blkdev_close+0x86/0xb0 [ 1757.681560] __fput+0x25f/0x7a0 [ 1757.684820] task_work_run+0x11f/0x190 [ 1757.688683] exit_to_usermode_loop+0x1ad/0x200 [ 1757.693241] do_syscall_64+0x4a3/0x640 [ 1757.697121] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1757.702290] RIP: 0033:0x7f69abc3b270 [ 1757.705994] RSP: 002b:00007ffc3d31bc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1757.713680] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f69abc3b270 [ 1757.720931] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 1757.728178] RBP: 00007f69acaf5710 R08: 0000000000000045 R09: 0000000000000018 [ 1757.735421] R10: 00005633ee9af1b8 R11: 0000000000000246 R12: 0000000000000000 [ 1757.742677] R13: 00005633ee9aa860 R14: 0000000000000003 R15: 000000000000000e [ 1757.750232] Kernel Offset: disabled [ 1757.753898] Rebooting in 86400 seconds..