, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:22 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd25, 0x25dfdbff, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}, {0x6, 0x11, 0x3}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20040000}, 0x4) 19:47:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="08002770000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) [ 3381.331830] nbd: must specify a device to reconfigure 19:47:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x50) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3381.371205] nbd: must specify a device to reconfigure 19:47:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd25}, 0x14}, 0x1, 0x0, 0x0, 0x4c004}, 0x0) 19:47:22 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd25, 0x25dfdbff, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}, {0x6, 0x11, 0x3}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20040000}, 0x4) 19:47:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) r3 = socket(0x27, 0x5, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r6, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3381.401257] nbd: must specify a device to reconfigure [ 3381.418680] nbd: must specify a device to reconfigure [ 3381.450886] nbd: must specify a device to reconfigure [ 3381.456833] nbd: must specify a device to reconfigure [ 3381.464355] nbd: must specify a device to reconfigure [ 3381.473282] nbd: must specify a device to reconfigure [ 3381.481857] nbd: must specify a device to reconfigure [ 3381.490725] nbd: must specify a device to reconfigure [ 3381.510537] nbd: must specify a device to reconfigure [ 3381.516002] nbd: must specify a device to reconfigure [ 3381.522468] nbd: must specify a device to reconfigure [ 3381.528705] nbd: must specify a device to reconfigure [ 3381.533941] nbd: must specify a device to reconfigure [ 3381.539865] nbd: must specify a device to reconfigure [ 3381.545118] nbd: must specify a device to reconfigure [ 3381.550999] nbd: must specify a device to reconfigure [ 3381.556263] nbd: must specify a device to reconfigure [ 3381.562099] nbd: must specify a device to reconfigure [ 3381.567820] nbd: must specify a device to reconfigure [ 3381.573054] nbd: must specify a device to reconfigure [ 3381.579031] nbd: must specify a device to reconfigure [ 3381.584281] nbd: must specify a device to reconfigure [ 3381.590514] nbd: must specify a device to reconfigure [ 3381.595740] nbd: must specify a device to reconfigure [ 3381.601667] nbd: must specify a device to reconfigure [ 3381.607432] nbd: must specify a device to reconfigure [ 3381.612663] nbd: must specify a device to reconfigure [ 3381.619434] nbd: must specify a device to reconfigure [ 3381.624666] nbd: must specify a device to reconfigure [ 3381.630507] nbd: must specify a device to reconfigure [ 3381.635767] nbd: must specify a device to reconfigure [ 3381.641699] nbd: must specify a device to reconfigure [ 3381.647466] nbd: must specify a device to reconfigure [ 3381.652715] nbd: must specify a device to reconfigure 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x96e2b240efd48c66, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9d18}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004880}, 0x2004000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="08002770000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_TRAP_GROUP_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)={0x188, r4, 0x400, 0x70bd27, 0x25dfdbfc, {}, [{@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}]}, 0x188}, 0x1, 0x0, 0x0, 0x20040010}, 0x8080) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x50) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd25, 0x25dfdbff, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}, {0x6, 0x11, 0x3}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20040000}, 0x4) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) r3 = socket(0x27, 0x5, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r7, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3381.658785] nbd: must specify a device to reconfigure 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) r3 = socket(0x27, 0x5, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r7, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="08002770000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)={0x188, r4, 0x400, 0x70bd27, 0x25dfdbfc, {}, [{@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}]}, 0x188}, 0x1, 0x0, 0x0, 0x20040010}, 0x8080) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000a03b2fd2a090d2c3d1f72d88aecbf1c8bc24010373ccb43cd420b8dd5c468a84982354748d419e9e09321db954c5c11a968d56af6eeed161937fc90f5e9c342df4e647275db4d6505c71d802c24b60d65e57dfcc3a0c1e48a14b50"], 0x14}}, 0x0) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x20, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x6a399d874d4ef708}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x198, r1, 0x200, 0x70bd25, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0xb373}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x2}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x73d}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x101}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x2}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x7}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7fff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0xff}, {0x8, 0xb, 0x3}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x1ff}, {0x6, 0x16, 0x8}, {0x5}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x757fbe3a}}]}, 0x198}, 0x1, 0x0, 0x0, 0x20004050}, 0x79866f199c5ee5f0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x7c, r3, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'devlink\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2050}, 0x20000000) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x50) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x96e2b240efd48c66, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9d18}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004880}, 0x2004000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x96e2b240efd48c66, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9d18}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004880}, 0x2004000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) socket(0x27, 0x5, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r5, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3381.738539] nbd: must specify a device to reconfigure [ 3381.750874] nbd: must specify a device to reconfigure [ 3381.766540] nbd: must specify a device to reconfigure 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)={0x188, r4, 0x400, 0x70bd27, 0x25dfdbfc, {}, [{@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5}}, {@pci={{0x8}, {0x11}}, {0xd}, {0x5, 0x83, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}, {0x5, 0x83, 0x1}}]}, 0x188}, 0x1, 0x0, 0x0, 0x20040010}, 0x8080) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) socket(0x27, 0x5, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r5, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000a03b2fd2a090d2c3d1f72d88aecbf1c8bc24010373ccb43cd420b8dd5c468a84982354748d419e9e09321db954c5c11a968d56af6eeed161937fc90f5e9c342df4e647275db4d6505c71d802c24b60d65e57dfcc3a0c1e48a14b50"], 0x14}}, 0x0) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x96e2b240efd48c66, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9d18}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004880}, 0x2004000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x96e2b240efd48c66, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9d18}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004880}, 0x2004000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x20, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x6a399d874d4ef708}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x198, r1, 0x200, 0x70bd25, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0xb373}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x2}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x73d}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x101}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x2}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x7}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7fff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0xff}, {0x8, 0xb, 0x3}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x1ff}, {0x6, 0x16, 0x8}, {0x5}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x757fbe3a}}]}, 0x198}, 0x1, 0x0, 0x0, 0x20004050}, 0x79866f199c5ee5f0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x7c, r3, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'devlink\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2050}, 0x20000000) [ 3381.850434] nbd: must specify a device to reconfigure [ 3381.861374] nbd: must specify a device to reconfigure [ 3381.871477] nbd: must specify a device to reconfigure [ 3381.883827] nbd: must specify a device to reconfigure 19:47:23 executing program 5: r0 = socket(0x11, 0xa, 0x0) getsockname$l2tp6(r0, 0x0, &(0x7f0000000040)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) setsockopt$MRT_DEL_MFC(r0, 0x0, 0xcd, &(0x7f0000000000)={@dev={0xac, 0x14, 0x14, 0x26}, @loopback, 0xffffffffffffffff, "9cf49f5c02e0059574452badd289d8c9fc1566a65d31f193a182374b51f948de", 0x1, 0x1, 0x3, 0x200}, 0x3c) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) socket(0x27, 0x5, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r4, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3381.945351] nbd: must specify a device to reconfigure 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)=ANY=[@ANYBLOB="f951cb9f", @ANYRES16=r2, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r1, @ANYBLOB="0800000000000040000003000000"], 0x14}}, 0x880) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000a03b2fd2a090d2c3d1f72d88aecbf1c8bc24010373ccb43cd420b8dd5c468a84982354748d419e9e09321db954c5c11a968d56af6eeed161937fc90f5e9c342df4e647275db4d6505c71d802c24b60d65e57dfcc3a0c1e48a14b50"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000a03b2fd2a090d2c3d1f72d88aecbf1c8bc24010373ccb43cd420b8dd5c468a84982354748d419e9e09321db954c5c11a968d56af6eeed161937fc90f5e9c342df4e647275db4d6505c71d802c24b60d65e57dfcc3a0c1e48a14b50"], 0x14}}, 0x0) (async) 19:47:23 executing program 5: r0 = socket(0x11, 0xa, 0x0) getsockname$l2tp6(r0, 0x0, &(0x7f0000000040)) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) setsockopt$MRT_DEL_MFC(r0, 0x0, 0xcd, &(0x7f0000000000)={@dev={0xac, 0x14, 0x14, 0x26}, @loopback, 0xffffffffffffffff, "9cf49f5c02e0059574452badd289d8c9fc1566a65d31f193a182374b51f948de", 0x1, 0x1, 0x3, 0x200}, 0x3c) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) (rerun: 32) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x20, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x6a399d874d4ef708}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x198, r1, 0x200, 0x70bd25, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0xb373}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x2}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x73d}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x101}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x2}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x7}, {0x8, 0xb, 0x8}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7fff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0xff}, {0x8, 0xb, 0x3}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x1ff}, {0x6, 0x16, 0x8}, {0x5}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x757fbe3a}}]}, 0x198}, 0x1, 0x0, 0x0, 0x20004050}, 0x79866f199c5ee5f0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x7c, r3, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'devlink\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2050}, 0x20000000) [ 3381.993462] nbd: must specify a device to reconfigure [ 3382.001426] nbd: must specify a device to reconfigure 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) socket(0x27, 0x5, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="fd14bb7c4738d19682fb636d32adffffffec5f8d03d6104bcb49f333ca08c90c1a937d085a9d91dec513249b821bc3d996af496f43ed06ccbd2a588474e7059faab090356868126cff95549d5ecdf9caea690acd2ff4d8a620ff7515686aac91cdaed36e681045ddd04bbd376713a81f066b3d673199c294da3541f5fe", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3382.035778] nbd: must specify a device to reconfigure 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)=ANY=[@ANYBLOB="f951cb9f", @ANYRES16=r2, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r1, @ANYBLOB="0800000000000040000003000000"], 0x14}}, 0x880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 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$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)=ANY=[@ANYBLOB="f951cb9f", @ANYRES16=r2, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r1, @ANYBLOB="0800000000000040000003000000"], 0x14}}, 0x880) (async) 19:47:23 executing program 4: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x72d000, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) [ 3382.095267] nbd: must specify a device to reconfigure 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) socket(0x27, 0x5, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="fd14bb7c4738d19682fb636d32adffffffec5f8d03d6104bcb49f333ca08c90c1a937d085a9d91dec513249b821bc3d996af496f43ed06ccbd2a588474e7059faab090356868126cff95549d5ecdf9caea690acd2ff4d8a620ff7515686aac91cdaed36e681045ddd04bbd376713a81f066b3d673199c294da3541f5fe", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:23 executing program 4: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x72d000, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x72d000, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0xffffffffffffff34, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 5: r0 = socket(0x11, 0xa, 0x0) getsockname$l2tp6(r0, 0x0, &(0x7f0000000040)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) setsockopt$MRT_DEL_MFC(r0, 0x0, 0xcd, &(0x7f0000000000)={@dev={0xac, 0x14, 0x14, 0x26}, @loopback, 0xffffffffffffffff, "9cf49f5c02e0059574452badd289d8c9fc1566a65d31f193a182374b51f948de", 0x1, 0x1, 0x3, 0x200}, 0x3c) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)=ANY=[@ANYBLOB="f951cb9f", @ANYRES16=r2, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r1, @ANYBLOB="0800000000000040000003000000"], 0x14}}, 0x880) [ 3382.121434] nbd: must specify a device to reconfigure 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x410003, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="fd14bb7c4738d19682fb636d32adffffffec5f8d03d6104bcb49f333ca08c90c1a937d085a9d91dec513249b821bc3d996af496f43ed06ccbd2a588474e7059faab090356868126cff95549d5ecdf9caea690acd2ff4d8a620ff7515686aac91cdaed36e681045ddd04bbd376713a81f066b3d673199c294da3541f5fe", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:23 executing program 4: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x72d000, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="080003000000fedbdf2503000000201705000102000000551a3383fdade2519c058255ede20000000c0006000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4040810}, 0x4040080) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x34}}, 0x8004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3382.243216] nbd: must specify a device to reconfigure 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0xffffffffffffff34, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\a'], 0x14}}, 0x0) sched_yield() syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) accept$alg(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) getsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x43, &(0x7f0000000180), &(0x7f00000001c0)=0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x200000d5) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r4, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '(%+%#]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x20000080) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="080003000000fedbdf2503000000201705000102000000551a3383fdade2519c058255ede20000000c0006000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4040810}, 0x4040080) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) ioctl$SIOCGSTAMP(r1, 0x8906, &(0x7f0000000000)) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r5, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x22, 0x70bd27, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x200}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xca}}]}, 0x64}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 19:47:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0xffffffffffffff34, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '(%+%#]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x20000080) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) ioctl$SIOCGSTAMP(r1, 0x8906, &(0x7f0000000000)) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r5, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x22, 0x70bd27, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x200}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xca}}]}, 0x64}, 0x1, 0x0, 0x0, 0x40000}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) (async) ioctl$SIOCGSTAMP(r1, 0x8906, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r5, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x22, 0x70bd27, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x200}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xca}}]}, 0x64}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) 19:47:23 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\a'], 0x14}}, 0x0) (async) sched_yield() (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) accept$alg(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) (async, rerun: 64) getsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x43, &(0x7f0000000180), &(0x7f00000001c0)=0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x200000d5) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r4, 0x1}, 0x14}}, 0x0) (rerun: 64) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="080003000000fedbdf2503000000201705000102000000551a3383fdade2519c058255ede20000000c0006000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4040810}, 0x4040080) [ 3382.346487] nbd: must specify a device to reconfigure [ 3382.360049] nbd: must specify a device to reconfigure [ 3382.383998] nbd: must specify a device to reconfigure 19:47:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) (async) ioctl$SIOCGSTAMP(r1, 0x8906, &(0x7f0000000000)) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r5, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x22, 0x70bd27, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x200}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xca}}]}, 0x64}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 19:47:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x8000) 19:47:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000084"], 0x14}}, 0x0) [ 3382.441450] nbd: must specify a device to reconfigure 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r3, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3382.508905] nbd: must specify a device to reconfigure 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '(%+%#]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x20000080) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3382.554059] nbd: must specify a device to reconfigure 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0xa8, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24004851}, 0x20000080) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x44, r4, 0x200, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x844}, {0x6}}]}, 0x44}}, 0x0) 19:47:24 executing program 3: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x8000) 19:47:24 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000084"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000084"], 0x14}}, 0x0) (async) [ 3382.575251] nbd: must specify a device to reconfigure [ 3382.591009] nbd: must specify a device to reconfigure [ 3382.614395] nbd: must specify a device to reconfigure 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r3, 0x10, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004000}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3382.629900] nbd: must specify a device to reconfigure [ 3382.652443] nbd: must specify a device to reconfigure [ 3382.680715] nbd: must specify a device to reconfigure [ 3382.689569] nbd: must specify a device to reconfigure [ 3382.694863] nbd: must specify a device to reconfigure [ 3382.702124] nbd: must specify a device to reconfigure [ 3382.707950] nbd: must specify a device to reconfigure [ 3382.713492] nbd: must specify a device to reconfigure [ 3382.719556] nbd: must specify a device to reconfigure [ 3382.724855] nbd: must specify a device to reconfigure [ 3382.730390] nbd: must specify a device to reconfigure [ 3382.735605] nbd: must specify a device to reconfigure [ 3382.742774] nbd: must specify a device to reconfigure [ 3382.748720] nbd: must specify a device to reconfigure [ 3382.753999] nbd: must specify a device to reconfigure [ 3382.759386] nbd: must specify a device to reconfigure [ 3382.764650] nbd: must specify a device to reconfigure [ 3382.769971] nbd: must specify a device to reconfigure [ 3382.775208] nbd: must specify a device to reconfigure [ 3382.780548] nbd: must specify a device to reconfigure [ 3382.785776] nbd: must specify a device to reconfigure [ 3382.791068] nbd: must specify a device to reconfigure [ 3382.796307] nbd: must specify a device to reconfigure [ 3382.801630] nbd: must specify a device to reconfigure [ 3382.806981] nbd: must specify a device to reconfigure [ 3382.812223] nbd: must specify a device to reconfigure [ 3382.817558] nbd: must specify a device to reconfigure [ 3382.822809] nbd: must specify a device to reconfigure [ 3382.828138] nbd: must specify a device to reconfigure [ 3382.833368] nbd: must specify a device to reconfigure [ 3382.838707] nbd: must specify a device to reconfigure [ 3382.844031] nbd: must specify a device to reconfigure [ 3382.849345] nbd: must specify a device to reconfigure [ 3382.854577] nbd: must specify a device to reconfigure [ 3382.859893] nbd: must specify a device to reconfigure [ 3382.865173] nbd: must specify a device to reconfigure [ 3382.870476] nbd: must specify a device to reconfigure [ 3382.875721] nbd: must specify a device to reconfigure [ 3382.881062] nbd: must specify a device to reconfigure [ 3382.886300] nbd: must specify a device to reconfigure [ 3382.891593] nbd: must specify a device to reconfigure [ 3382.896956] nbd: must specify a device to reconfigure [ 3382.902185] nbd: must specify a device to reconfigure [ 3382.907480] nbd: must specify a device to reconfigure [ 3382.912730] nbd: must specify a device to reconfigure [ 3382.918045] nbd: must specify a device to reconfigure [ 3382.923274] nbd: must specify a device to reconfigure [ 3382.928585] nbd: must specify a device to reconfigure [ 3382.933847] nbd: must specify a device to reconfigure [ 3382.939173] nbd: must specify a device to reconfigure [ 3382.944424] nbd: must specify a device to reconfigure [ 3382.953474] nbd: must specify a device to reconfigure [ 3382.958822] nbd: must specify a device to reconfigure [ 3382.964046] nbd: must specify a device to reconfigure [ 3382.969337] nbd: must specify a device to reconfigure [ 3382.974564] nbd: must specify a device to reconfigure 19:47:24 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\a'], 0x14}}, 0x0) (async) sched_yield() (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) accept$alg(0xffffffffffffffff, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) getsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x43, &(0x7f0000000180), &(0x7f00000001c0)=0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x200000d5) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r4, 0x1}, 0x14}}, 0x0) 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0xa8, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24004851}, 0x20000080) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x44, r4, 0x200, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x844}, {0x6}}]}, 0x44}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0xa8, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24004851}, 0x20000080) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x44, r4, 0x200, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x844}, {0x6}}]}, 0x44}}, 0x0) (async) 19:47:24 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000084"], 0x14}}, 0x0) 19:47:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x8000) 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r3, 0x10, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004000}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r3, 0x10, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004000}, 0x80) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 3382.979885] nbd: must specify a device to reconfigure [ 3382.985151] nbd: must specify a device to reconfigure [ 3382.990461] nbd: must specify a device to reconfigure [ 3382.995717] nbd: must specify a device to reconfigure [ 3383.001037] nbd: must specify a device to reconfigure [ 3383.006279] nbd: must specify a device to reconfigure [ 3383.011584] nbd: must specify a device to reconfigure 19:47:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0xa8, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24004851}, 0x20000080) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x44, r4, 0x200, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x844}, {0x6}}]}, 0x44}}, 0x0) 19:47:24 executing program 5: setsockopt$RXRPC_MIN_SECURITY_LEVEL(0xffffffffffffffff, 0x110, 0x4, &(0x7f0000000040), 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="149a2ca0", @ANYRES16=r1, @ANYBLOB="01ddca7ec96400000000000000000003000000"], 0x14}}, 0x0) 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3383.091890] nbd: must specify a device to reconfigure [ 3383.107673] nbd: must specify a device to reconfigure 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r3, 0x10, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004000}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r3, 0x10, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004000}, 0x80) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 3383.141335] nbd: must specify a device to reconfigure 19:47:24 executing program 5: setsockopt$RXRPC_MIN_SECURITY_LEVEL(0xffffffffffffffff, 0x110, 0x4, &(0x7f0000000040), 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="149a2ca0", @ANYRES16=r1, @ANYBLOB="01ddca7ec96400000000000000000003000000"], 0x14}}, 0x0) setsockopt$RXRPC_MIN_SECURITY_LEVEL(0xffffffffffffffff, 0x110, 0x4, &(0x7f0000000040), 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="149a2ca0", @ANYRES16=r1, @ANYBLOB="01ddca7ec96400000000000000000003000000"], 0x14}}, 0x0) (async) 19:47:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_PORT_POOL_GET(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8c021a}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0xb4, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x11, 0x605}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x8001}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x5}}]}, 0xb4}, 0x1, 0x0, 0x0, 0xc801}, 0x41) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000380), r0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, r5, 0x20, 0x70bd28, 0x25dfdbff, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @multicast1}]}, 0x1c}}, 0x24000014) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)={0xa0, r1, 0x4, 0xffffffff, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x3ff}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3f}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x8800) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) sendmsg$DEVLINK_CMD_RATE_GET(r6, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10800010}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x30, r7, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8880}, 0x8000) [ 3383.167953] nbd: must specify a device to reconfigure 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 5: setsockopt$RXRPC_MIN_SECURITY_LEVEL(0xffffffffffffffff, 0x110, 0x4, &(0x7f0000000040), 0x4) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="149a2ca0", @ANYRES16=r1, @ANYBLOB="01ddca7ec96400000000000000000003000000"], 0x14}}, 0x0) 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x2a}}, 0x0) r4 = add_key(&(0x7f0000000080)='blacklist\x00', &(0x7f00000000c0)={'syz', 0x0}, &(0x7f0000000100)="f854a4e9d4ac068c14fab6d147f5b198ae8224c13de9c196c3800f468d65b6ba91fb2734263d3fff50fe4c18dc9d4e5fd18c2a6901a7aed63c6a2bb1705b54e03f04d44de0a2d105daa47d96cad9f935d320f44fb18f1aa39f0f6e1e5695eed3bfc67e254050164b763ce691eeb1cc1091d8e7026e9ff7f535c847526a56f8490cbecfed879ef04664f65c656016f72dd079c7611a9074a226f7ca38517dd50914ff6c95407384fcea828d44", 0xac, 0xfffffffffffffff8) keyctl$unlink(0x9, r4, 0xfffffffffffffffd) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) [ 3383.212706] nbd: must specify a device to reconfigure [ 3383.222765] nbd: must specify a device to reconfigure [ 3383.237150] nbd: must specify a device to reconfigure [ 3383.262800] nbd: must specify a device to reconfigure 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_PORT_POOL_GET(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8c021a}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0xb4, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x11, 0x605}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x8001}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x5}}]}, 0xb4}, 0x1, 0x0, 0x0, 0xc801}, 0x41) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000380), r0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, r5, 0x20, 0x70bd28, 0x25dfdbff, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @multicast1}]}, 0x1c}}, 0x24000014) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)={0xa0, r1, 0x4, 0xffffffff, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x3ff}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3f}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x8800) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) r7 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) sendmsg$DEVLINK_CMD_RATE_GET(r6, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10800010}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x30, r7, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8880}, 0x8000) 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x2a}}, 0x0) r4 = add_key(&(0x7f0000000080)='blacklist\x00', &(0x7f00000000c0)={'syz', 0x0}, &(0x7f0000000100)="f854a4e9d4ac068c14fab6d147f5b198ae8224c13de9c196c3800f468d65b6ba91fb2734263d3fff50fe4c18dc9d4e5fd18c2a6901a7aed63c6a2bb1705b54e03f04d44de0a2d105daa47d96cad9f935d320f44fb18f1aa39f0f6e1e5695eed3bfc67e254050164b763ce691eeb1cc1091d8e7026e9ff7f535c847526a56f8490cbecfed879ef04664f65c656016f72dd079c7611a9074a226f7ca38517dd50914ff6c95407384fcea828d44", 0xac, 0xfffffffffffffff8) keyctl$unlink(0x9, r4, 0xfffffffffffffffd) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x2a}}, 0x0) (async) add_key(&(0x7f0000000080)='blacklist\x00', &(0x7f00000000c0)={'syz', 0x0}, &(0x7f0000000100)="f854a4e9d4ac068c14fab6d147f5b198ae8224c13de9c196c3800f468d65b6ba91fb2734263d3fff50fe4c18dc9d4e5fd18c2a6901a7aed63c6a2bb1705b54e03f04d44de0a2d105daa47d96cad9f935d320f44fb18f1aa39f0f6e1e5695eed3bfc67e254050164b763ce691eeb1cc1091d8e7026e9ff7f535c847526a56f8490cbecfed879ef04664f65c656016f72dd079c7611a9074a226f7ca38517dd50914ff6c95407384fcea828d44", 0xac, 0xfffffffffffffff8) (async) keyctl$unlink(0x9, r4, 0xfffffffffffffffd) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) [ 3383.285637] nbd: must specify a device to reconfigure 19:47:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async, rerun: 32) sendmsg$DEVLINK_CMD_SB_PORT_POOL_GET(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8c021a}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0xb4, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x11, 0x605}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x8001}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x5}}]}, 0xb4}, 0x1, 0x0, 0x0, 0xc801}, 0x41) (async, rerun: 32) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000380), r0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, r5, 0x20, 0x70bd28, 0x25dfdbff, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @multicast1}]}, 0x1c}}, 0x24000014) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)={0xa0, r1, 0x4, 0xffffffff, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x3ff}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3f}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x8800) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) sendmsg$DEVLINK_CMD_RATE_GET(r6, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10800010}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x30, r7, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8880}, 0x8000) [ 3383.332894] nbd: must specify a device to reconfigure 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3383.355453] nbd: must specify a device to reconfigure 19:47:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x86000c00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$('}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40009) r5 = socket(0x1a, 0x800, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r7 = socket(0x11, 0xa, 0x3) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000180), 0x100, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x98, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}]}, 0x98}, 0x1, 0x0, 0x0, 0x40000}, 0x24000000) [ 3383.376240] nbd: must specify a device to reconfigure [ 3383.385180] nbd: must specify a device to reconfigure 19:47:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd025}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x1) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:24 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000340), r0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x800, 0x70bd27, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x7}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x1000, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000640), r4) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r0, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000680)={0x11c, r6, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}]}, 0x11c}, 0x1, 0x0, 0x0, 0x8081}, 0x814) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x74, r5, 0x800, 0x70bd25, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xfffffffe}, {0x6, 0x11, 0x8}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8000}, 0x4) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0xcc, r1, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x11, 0x3ff}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x34a6}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x5}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x20008004}, 0x1) 19:47:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x2a}}, 0x0) (async, rerun: 64) r4 = add_key(&(0x7f0000000080)='blacklist\x00', &(0x7f00000000c0)={'syz', 0x0}, &(0x7f0000000100)="f854a4e9d4ac068c14fab6d147f5b198ae8224c13de9c196c3800f468d65b6ba91fb2734263d3fff50fe4c18dc9d4e5fd18c2a6901a7aed63c6a2bb1705b54e03f04d44de0a2d105daa47d96cad9f935d320f44fb18f1aa39f0f6e1e5695eed3bfc67e254050164b763ce691eeb1cc1091d8e7026e9ff7f535c847526a56f8490cbecfed879ef04664f65c656016f72dd079c7611a9074a226f7ca38517dd50914ff6c95407384fcea828d44", 0xac, 0xfffffffffffffff8) (rerun: 64) keyctl$unlink(0x9, r4, 0xfffffffffffffffd) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (rerun: 64) 19:47:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40009) (async) r5 = socket(0x1a, 0x800, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r7 = socket(0x11, 0xa, 0x3) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000180), 0x100, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x98, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}]}, 0x98}, 0x1, 0x0, 0x0, 0x40000}, 0x24000000) [ 3383.454065] nbd: must specify a size in bytes for the device [ 3383.480607] nbd: must specify a device to reconfigure 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000340), r0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x800, 0x70bd27, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x7}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x1000, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000640), r4) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r0, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000680)={0x11c, r6, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}]}, 0x11c}, 0x1, 0x0, 0x0, 0x8081}, 0x814) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x74, r5, 0x800, 0x70bd25, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xfffffffe}, {0x6, 0x11, 0x8}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8000}, 0x4) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0xcc, r1, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x11, 0x3ff}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x34a6}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x5}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x20008004}, 0x1) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd025}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x1) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x86000c00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$('}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:25 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x86000c00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$('}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x86000c00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$('}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 3383.504464] nbd: must specify a device to reconfigure [ 3383.528434] nbd: must specify a device to reconfigure [ 3383.533840] nbd: must specify a device to reconfigure [ 3383.552551] nbd: must specify a device to reconfigure [ 3383.571418] nbd: must specify a device to reconfigure 19:47:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40009) (async) r5 = socket(0x1a, 0x800, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r7 = socket(0x11, 0xa, 0x3) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000180), 0x100, 0x0) (async) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x98, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}]}, 0x98}, 0x1, 0x0, 0x0, 0x40000}, 0x24000000) 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000340), r0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x800, 0x70bd27, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x7}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x1000, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = syz_genetlink_get_family_id$devlink(&(0x7f00000004c0), r0) (async) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000640), r4) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r0, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000680)={0x11c, r6, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x2}}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}, {{@pci={{0x8}, {0x11}}, {0x8}}}]}, 0x11c}, 0x1, 0x0, 0x0, 0x8081}, 0x814) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x74, r5, 0x800, 0x70bd25, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xfffffffe}, {0x6, 0x11, 0x8}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8000}, 0x4) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0xcc, r1, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x11, 0x3ff}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x34a6}, {0x6, 0x11, 0x3}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6, 0x11, 0x5}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x20008004}, 0x1) 19:47:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd025}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x1) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3383.583653] nbd: must specify a device to reconfigure [ 3383.597698] nbd: must specify a device to reconfigure [ 3383.605089] nbd: must specify a device to reconfigure [ 3383.615426] nbd: must specify a size in bytes for the device [ 3383.643948] nbd: must specify a device to reconfigure [ 3383.654441] nbd: must specify a device to reconfigure [ 3383.662782] nbd: must specify a device to reconfigure [ 3383.682288] nbd: must specify a device to reconfigure [ 3383.692568] nbd: must specify a device to reconfigure [ 3383.703709] nbd: must specify a device to reconfigure [ 3383.712792] nbd: must specify a device to reconfigure [ 3383.721930] nbd: must specify a device to reconfigure [ 3383.731764] nbd: must specify a device to reconfigure [ 3383.744667] nbd: must specify a device to reconfigure [ 3383.750181] nbd: must specify a device to reconfigure [ 3383.755433] nbd: must specify a device to reconfigure [ 3383.761185] nbd: must specify a device to reconfigure [ 3383.766507] nbd: must specify a device to reconfigure [ 3383.771740] nbd: must specify a device to reconfigure [ 3383.777919] nbd: must specify a device to reconfigure [ 3383.783151] nbd: must specify a device to reconfigure [ 3383.788461] nbd: must specify a device to reconfigure [ 3383.793684] nbd: must specify a device to reconfigure [ 3383.798980] nbd: must specify a device to reconfigure [ 3383.804297] nbd: must specify a device to reconfigure [ 3383.810216] nbd: must specify a device to reconfigure [ 3383.815527] nbd: must specify a device to reconfigure [ 3383.821199] nbd: must specify a device to reconfigure [ 3383.826765] nbd: must specify a device to reconfigure [ 3383.831997] nbd: must specify a device to reconfigure [ 3383.837390] nbd: must specify a device to reconfigure [ 3383.842615] nbd: must specify a device to reconfigure [ 3383.847976] nbd: must specify a device to reconfigure [ 3383.853218] nbd: must specify a device to reconfigure [ 3383.858542] nbd: must specify a device to reconfigure [ 3383.863771] nbd: must specify a device to reconfigure [ 3383.869140] nbd: must specify a device to reconfigure [ 3383.874409] nbd: must specify a device to reconfigure [ 3383.879875] nbd: must specify a device to reconfigure [ 3383.885204] nbd: must specify a device to reconfigure [ 3383.890534] nbd: must specify a device to reconfigure [ 3383.895810] nbd: must specify a device to reconfigure [ 3383.901149] nbd: must specify a device to reconfigure [ 3383.906548] nbd: must specify a device to reconfigure [ 3383.911814] nbd: must specify a device to reconfigure [ 3383.917157] nbd: must specify a device to reconfigure [ 3383.922401] nbd: must specify a device to reconfigure [ 3383.927713] nbd: must specify a device to reconfigure [ 3383.932966] nbd: must specify a device to reconfigure [ 3383.938537] nbd: must specify a device to reconfigure [ 3383.943782] nbd: must specify a device to reconfigure [ 3383.949119] nbd: must specify a device to reconfigure [ 3383.954355] nbd: must specify a device to reconfigure [ 3383.960215] nbd: must specify a device to reconfigure [ 3383.965466] nbd: must specify a device to reconfigure [ 3383.970775] nbd: must specify a device to reconfigure [ 3383.976057] nbd: must specify a device to reconfigure [ 3383.981387] nbd: must specify a device to reconfigure [ 3383.986737] nbd: must specify a device to reconfigure 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r2, 0x800443d2, &(0x7f00000000c0)) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000000)={@none, 0x8000, 0xff, 0x2}) 19:47:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) 19:47:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000156537107b6817ed28d9fd8f5d7236d99d9cb497e5b8aa5c622638715af9a97a2c4ccb9d15b723bb127fd23e117602b6d95b1bc45b5e6d29ea03def2fe8957f70c498e09b8ebcd76db42daa4b8ea1e5229fd4954b0f3df862e3612a297ac00a2183107167baa45565429d169866642925273c68e491081b06ee88b302c6256dee03522f5aa3b88adce47b377e1ff3bc7a2db494e56e63b"], 0x14}, 0x1, 0x0, 0x0, 0x200000d0}, 0x0) 19:47:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffff80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc41ba7f7fa57181a}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000da45fcf000000"], 0x14}}, 0x0) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCGETVIFCNT(0xffffffffffffffff, 0x89e0, &(0x7f0000000040)={0x1}) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYRES16=r0, @ANYRES16=r1, @ANYBLOB="00000000000000000000000000005c31edb3ce2e41b9c9f99a1b832ac7198493b3008b097bdd47b0c887c1"], 0x14}}, 0x0) [ 3383.992064] nbd: must specify a device to reconfigure [ 3383.997384] nbd: must specify a device to reconfigure [ 3384.002718] nbd: must specify a device to reconfigure [ 3384.008035] nbd: must specify a device to reconfigure [ 3384.013292] nbd: must specify a device to reconfigure [ 3384.018625] nbd: must specify a device to reconfigure [ 3384.023866] nbd: must specify a device to reconfigure [ 3384.029232] nbd: must specify a device to reconfigure 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r2, 0x800443d2, &(0x7f00000000c0)) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x40}}, 0x0) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000000)={@none, 0x8000, 0xff, 0x2}) 19:47:25 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000156537107b6817ed28d9fd8f5d7236d99d9cb497e5b8aa5c622638715af9a97a2c4ccb9d15b723bb127fd23e117602b6d95b1bc45b5e6d29ea03def2fe8957f70c498e09b8ebcd76db42daa4b8ea1e5229fd4954b0f3df862e3612a297ac00a2183107167baa45565429d169866642925273c68e491081b06ee88b302c6256dee03522f5aa3b88adce47b377e1ff3bc7a2db494e56e63b"], 0x14}, 0x1, 0x0, 0x0, 0x200000d0}, 0x0) 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffff80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc41ba7f7fa57181a}, 0x40000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000da45fcf000000"], 0x14}}, 0x0) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCGETVIFCNT(0xffffffffffffffff, 0x89e0, &(0x7f0000000040)={0x1}) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYRES16=r0, @ANYRES16=r1, @ANYBLOB="00000000000000000000000000005c31edb3ce2e41b9c9f99a1b832ac7198493b3008b097bdd47b0c887c1"], 0x14}}, 0x0) 19:47:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r1, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r2, 0x800443d2, &(0x7f00000000c0)) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async, rerun: 32) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000000)={@none, 0x8000, 0xff, 0x2}) (rerun: 32) [ 3384.121859] nbd: must specify a device to reconfigure 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffff80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc41ba7f7fa57181a}, 0x40000) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000da45fcf000000"], 0x14}}, 0x0) (rerun: 32) 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r1, 0x12, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0x1f}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8000}, {0x8, 0xb, 0x2}}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x10) 19:47:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000156537107b6817ed28d9fd8f5d7236d99d9cb497e5b8aa5c622638715af9a97a2c4ccb9d15b723bb127fd23e117602b6d95b1bc45b5e6d29ea03def2fe8957f70c498e09b8ebcd76db42daa4b8ea1e5229fd4954b0f3df862e3612a297ac00a2183107167baa45565429d169866642925273c68e491081b06ee88b302c6256dee03522f5aa3b88adce47b377e1ff3bc7a2db494e56e63b"], 0x14}, 0x1, 0x0, 0x0, 0x200000d0}, 0x0) 19:47:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) [ 3384.216454] nbd: must specify a device to reconfigure 19:47:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCGETVIFCNT(0xffffffffffffffff, 0x89e0, &(0x7f0000000040)={0x1}) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYRES16=r0, @ANYRES16=r1, @ANYBLOB="00000000000000000000000000005c31edb3ce2e41b9c9f99a1b832ac7198493b3008b097bdd47b0c887c1"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SIOCGETVIFCNT(0xffffffffffffffff, 0x89e0, &(0x7f0000000040)={0x1}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYRES16=r0, @ANYRES16=r1, @ANYBLOB="00000000000000000000000000005c31edb3ce2e41b9c9f99a1b832ac7198493b3008b097bdd47b0c887c1"], 0x14}}, 0x0) (async) 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r1, 0x12, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0x1f}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8000}, {0x8, 0xb, 0x2}}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x10) [ 3384.311390] nbd: must specify a device to reconfigure 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1c0000001e4dde3b7fbc5e9c708f8c", @ANYRES16=r3, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='^\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000326bd7000fedbdf25010000000c00050020000000000000000c00050008010000000000000c000300050000000000000008000100000000000c00050004000000000000000c000300ffffff7f000000000c0005000001000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40000c0}, 0x40000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0xa0401, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r3, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '&%{%\\^#*'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x82}]}, 0x60}, 0x1, 0x0, 0x0, 0x80000}, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="011e004000000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x4085}, 0x0) 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000050}, 0x40) 19:47:25 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (rerun: 64) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r1, 0x12, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8}, {0x6, 0x16, 0x1f}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8000}, {0x8, 0xb, 0x2}}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0x10) 19:47:25 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0xffffff01, r1, 0x20, 0x70bd28, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4088}, 0x8040010) 19:47:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket(0x22, 0x2, 0x2) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x20}, 0x1, 0x0, 0x0, 0x44001}, 0x4081) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) 19:47:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1c0000001e4dde3b7fbc5e9c708f8c", @ANYRES16=r3, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='^\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000326bd7000fedbdf25010000000c00050020000000000000000c00050008010000000000000c000300050000000000000008000100000000000c00050004000000000000000c000300ffffff7f000000000c0005000001000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40000c0}, 0x40000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0xa0401, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r3, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '&%{%\\^#*'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x82}]}, 0x60}, 0x1, 0x0, 0x0, 0x80000}, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="011e004000000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x4085}, 0x0) syz_init_net_socket$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$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1c0000001e4dde3b7fbc5e9c708f8c", @ANYRES16=r3, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='^\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000326bd7000fedbdf25010000000c00050020000000000000000c00050008010000000000000c000300050000000000000008000100000000000c00050004000000000000000c000300ffffff7f000000000c0005000001000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40000c0}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) (async) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0xa0401, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r3, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '&%{%\\^#*'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x82}]}, 0x60}, 0x1, 0x0, 0x0, 0x80000}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="011e004000000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x4085}, 0x0) (async) [ 3384.393449] nbd: must specify a device to reconfigure 19:47:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) [ 3384.436052] nbd: must specify a device to reconfigure 19:47:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000050}, 0x40) 19:47:26 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket(0x22, 0x2, 0x2) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x20}, 0x1, 0x0, 0x0, 0x44001}, 0x4081) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0xffffff01, r1, 0x20, 0x70bd28, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4088}, 0x8040010) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1c0000001e4dde3b7fbc5e9c708f8c", @ANYRES16=r3, @ANYBLOB="01000000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='^\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000326bd7000fedbdf25010000000c00050020000000000000000c00050008010000000000000c000300050000000000000008000100000000000c00050004000000000000000c000300ffffff7f000000000c0005000001000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40000c0}, 0x40000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async, rerun: 32) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async, rerun: 64) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0xa0401, 0x0) (rerun: 64) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r3, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '&%{%\\^#*'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x82}]}, 0x60}, 0x1, 0x0, 0x0, 0x80000}, 0x10) (async, rerun: 64) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="011e004000000000000003000000"], 0x14}, 0x1, 0x0, 0x0, 0x4085}, 0x0) [ 3384.459122] nbd: must specify a device to reconfigure [ 3384.467660] nbd: must specify a device to reconfigure [ 3384.491684] nbd: must specify a device to reconfigure 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0xd04c2, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000140), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000340)={0xf8, r3, 0x2, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x844}, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:26 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3384.535272] nbd: must specify a device to reconfigure 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000050}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000050}, 0x40) (async) 19:47:26 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) socket(0x22, 0x2, 0x2) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x20}, 0x1, 0x0, 0x0, 0x44001}, 0x4081) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0xffffff01, r1, 0x20, 0x70bd28, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4088}, 0x8040010) [ 3384.604732] nbd: must specify a device to reconfigure 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0xd04c2, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000140), 0xffffffffffffffff) (async) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000340)={0xf8, r3, 0x2, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x844}, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:26 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3384.641810] nbd: must specify a device to reconfigure 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="02162abd7000fbdbdf25e1ffffff3c00078008000100bb9a8a92ad3161649adba801008280283f63adcd1832cf6cb06662283f4b753de57500764acf3df017b0f5412a15339abafde8c90a9715ded55e4755aad39da17abbf4bc3abf1f313879facf8291dbd89d1d12e581f3e3021c5c5e8d551d3bacccef10d4e9d68ccf57e378e2f685f664883c4b9707885f1ba774dd01ac7c13679759c27fdebb8d02611e7423317eeb223ec6a3500367ee506995b129c51e98d534ab1066", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x1) [ 3384.675382] nbd: must specify a device to reconfigure 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='asymmetric\x00', &(0x7f0000000040)={'syz', 0x2}, 0x0, 0xfffffffffffffffb) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r2, 0x1, 0x70bd2d, 0x25dfdbff}, 0x14}}, 0x2084) 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0xd04c2, 0x0) (async, rerun: 64) syz_genetlink_get_family_id$team(&(0x7f0000000140), 0xffffffffffffffff) (rerun: 64) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000340)={0xf8, r3, 0x2, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x844}, 0x10) (async, rerun: 64) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (rerun: 64) [ 3384.711741] nbd: must specify a device to reconfigure 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000800) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="ac7c0000", @ANYRES16=r3, @ANYBLOB="000226bd7000fddbdf25030000000c00060002000000000000000c00030003000000000000000c00060001000000000000000c00040000040000000000000c0005002e000000000000000c00050005010000000000000c000400060000000000000008000100000000000c0008000f00000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x20000100}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="02162abd7000fbdbdf25e1ffffff3c00078008000100bb9a8a92ad3161649adba801008280283f63adcd1832cf6cb06662283f4b753de57500764acf3df017b0f5412a15339abafde8c90a9715ded55e4755aad39da17abbf4bc3abf1f313879facf8291dbd89d1d12e581f3e3021c5c5e8d551d3bacccef10d4e9d68ccf57e378e2f685f664883c4b9707885f1ba774dd01ac7c13679759c27fdebb8d02611e7423317eeb223ec6a3500367ee506995b129c51e98d534ab1066", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x1) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd25}, 0x14}}, 0x0) 19:47:26 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) request_key(&(0x7f0000000000)='asymmetric\x00', &(0x7f0000000040)={'syz', 0x2}, 0x0, 0xfffffffffffffffb) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r2, 0x1, 0x70bd2d, 0x25dfdbff}, 0x14}}, 0x2084) [ 3384.748502] nbd: must specify a device to reconfigure [ 3384.760710] nbd: must specify a device to reconfigure [ 3384.779913] nbd: must specify a device to reconfigure 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="02162abd7000fbdbdf25e1ffffff3c00078008000100bb9a8a92ad3161649adba801008280283f63adcd1832cf6cb06662283f4b753de57500764acf3df017b0f5412a15339abafde8c90a9715ded55e4755aad39da17abbf4bc3abf1f313879facf8291dbd89d1d12e581f3e3021c5c5e8d551d3bacccef10d4e9d68ccf57e378e2f685f664883c4b9707885f1ba774dd01ac7c13679759c27fdebb8d02611e7423317eeb223ec6a3500367ee506995b129c51e98d534ab1066", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="02162abd7000fbdbdf25e1ffffff3c00078008000100bb9a8a92ad3161649adba801008280283f63adcd1832cf6cb06662283f4b753de57500764acf3df017b0f5412a15339abafde8c90a9715ded55e4755aad39da17abbf4bc3abf1f313879facf8291dbd89d1d12e581f3e3021c5c5e8d551d3bacccef10d4e9d68ccf57e378e2f685f664883c4b9707885f1ba774dd01ac7c13679759c27fdebb8d02611e7423317eeb223ec6a3500367ee506995b129c51e98d534ab1066", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x1) (async) [ 3384.823463] nbd: must specify a device to reconfigure 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000800) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="ac7c0000", @ANYRES16=r3, @ANYBLOB="000226bd7000fddbdf25030000000c00060002000000000000000c00030003000000000000000c00060001000000000000000c00040000040000000000000c0005002e000000000000000c00050005010000000000000c000400060000000000000008000100000000000c0008000f00000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x20000100}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="ac7c0000", @ANYRES16=r3, @ANYBLOB="000226bd7000fddbdf25030000000c00060002000000000000000c00030003000000000000000c00060001000000000000000c00040000040000000000000c0005002e000000000000000c00050005010000000000000c000400060000000000000008000100000000000c0008000f00000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x20000100}, 0x4800) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd25}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd25}, 0x14}}, 0x0) (async) [ 3384.851561] nbd: must specify a device to reconfigure 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3384.908520] nbd: must specify a device to reconfigure [ 3384.924696] nbd: must specify a device to reconfigure 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='asymmetric\x00', &(0x7f0000000040)={'syz', 0x2}, 0x0, 0xfffffffffffffffb) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r2, 0x1, 0x70bd2d, 0x25dfdbff}, 0x14}}, 0x2084) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) request_key(&(0x7f0000000000)='asymmetric\x00', &(0x7f0000000040)={'syz', 0x2}, 0x0, 0xfffffffffffffffb) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r2, 0x1, 0x70bd2d, 0x25dfdbff}, 0x14}}, 0x2084) (async) 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd27}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x0) clock_getres(0x1, &(0x7f0000000000)) 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) write$tcp_congestion(0xffffffffffffffff, &(0x7f0000000000)='yeah\x00', 0x5) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) 19:47:26 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3384.954750] nbd: must specify a device to reconfigure [ 3384.972422] nbd: must specify a device to reconfigure 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd25}, 0x14}}, 0x0) 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) write$tcp_congestion(0xffffffffffffffff, &(0x7f0000000000)='yeah\x00', 0x5) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3385.005612] nbd: must specify a device to reconfigure [ 3385.018345] nbd: must specify a device to reconfigure [ 3385.041010] nbd: must specify a device to reconfigure 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000800) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="ac7c0000", @ANYRES16=r3, @ANYBLOB="000226bd7000fddbdf25030000000c00060002000000000000000c00030003000000000000000c00060001000000000000000c00040000040000000000000c0005002e000000000000000c00050005010000000000000c000400060000000000000008000100000000000c0008000f00000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x20000100}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="ac7c0000", @ANYRES16=r3, @ANYBLOB="000226bd7000fddbdf25030000000c00060002000000000000000c00030003000000000000000c00060001000000000000000c00040000040000000000000c0005002e000000000000000c00050005010000000000000c000400060000000000000008000100000000000c0008000f00000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x20000100}, 0x4800) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd27}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x0) (async) clock_getres(0x1, &(0x7f0000000000)) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$vsock_dgram(0x28, 0x2, 0x0) bind$vsock_dgram(r3, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r4, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r5, 0x3, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24004884}, 0x4040011) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0), 0x100, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r6, 0xae04) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100020000000000fa522ee20468f0d89bc60a356a7078580ebf9948aa2cb2d57b334442fa22a93f23647d087affb4cc358958e6084813c5d4b4c71bd4cb075de4818993a33743243053c8973590e06bac28939be099ed27cea91f5880d764e149d9b3bfe026a310ebddc0f0946a8475605fc8d35aa399f5ddb374d2960abfe6ff1f08d1f19d7962fd58"], 0x14}}, 0x0) [ 3385.086439] nbd: must specify a device to reconfigure 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) write$tcp_congestion(0xffffffffffffffff, &(0x7f0000000000)='yeah\x00', 0x5) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xc0, r1, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4a1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xc0}, 0x1, 0x0, 0x0, 0x11}, 0x8040) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r7, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x400d0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000600)=ANY=[@ANYBLOB="10000000", @ANYRES16=r5, @ANYRESDEC=r10], 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r5, @ANYBLOB="010025bd7000ffdbdf25020000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x4040000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd27}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x0) (async) clock_getres(0x1, &(0x7f0000000000)) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, 0x0, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3385.121311] nbd: must specify a device to reconfigure 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = socket$vsock_dgram(0x28, 0x2, 0x0) bind$vsock_dgram(r3, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r4, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r5, 0x3, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24004884}, 0x4040011) (async) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0), 0x100, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r6, 0xae04) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100020000000000fa522ee20468f0d89bc60a356a7078580ebf9948aa2cb2d57b334442fa22a93f23647d087affb4cc358958e6084813c5d4b4c71bd4cb075de4818993a33743243053c8973590e06bac28939be099ed27cea91f5880d764e149d9b3bfe026a310ebddc0f0946a8475605fc8d35aa399f5ddb374d2960abfe6ff1f08d1f19d7962fd58"], 0x14}}, 0x0) [ 3385.168573] nbd: must specify a device to reconfigure 19:47:26 executing program 4: r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000200)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, 0x24) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r2, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0x6, 0x11, 0x7}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x20018010) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, 0x0, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:26 executing program 4: r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000200)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, 0x24) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r2, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0x6, 0x11, 0x7}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x20018010) socket$rxrpc(0x21, 0x2, 0x2) (async) bind$rxrpc(r0, &(0x7f0000000200)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, 0x24) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r2, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0x6, 0x11, 0x7}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x20018010) (async) 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async, rerun: 64) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xc0, r1, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4a1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xc0}, 0x1, 0x0, 0x0, 0x11}, 0x8040) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r7, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x400d0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000600)=ANY=[@ANYBLOB="10000000", @ANYRES16=r5, @ANYRESDEC=r10], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r5, @ANYBLOB="010025bd7000ffdbdf25020000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x4040000) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (rerun: 64) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$vsock_dgram(0x28, 0x2, 0x0) bind$vsock_dgram(r3, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r4, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r5, 0x3, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24004884}, 0x4040011) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0), 0x100, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r6, 0xae04) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100020000000000fa522ee20468f0d89bc60a356a7078580ebf9948aa2cb2d57b334442fa22a93f23647d087affb4cc358958e6084813c5d4b4c71bd4cb075de4818993a33743243053c8973590e06bac28939be099ed27cea91f5880d764e149d9b3bfe026a310ebddc0f0946a8475605fc8d35aa399f5ddb374d2960abfe6ff1f08d1f19d7962fd58"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$vsock_dgram(0x28, 0x2, 0x0) (async) bind$vsock_dgram(r3, 0x0, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000140), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r4, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r5, 0x3, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24004884}, 0x4040011) (async) openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0), 0x100, 0x0) (async) ioctl$KVM_GET_VCPU_MMAP_SIZE(r6, 0xae04) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100020000000000fa522ee20468f0d89bc60a356a7078580ebf9948aa2cb2d57b334442fa22a93f23647d087affb4cc358958e6084813c5d4b4c71bd4cb075de4818993a33743243053c8973590e06bac28939be099ed27cea91f5880d764e149d9b3bfe026a310ebddc0f0946a8475605fc8d35aa399f5ddb374d2960abfe6ff1f08d1f19d7962fd58"], 0x14}}, 0x0) (async) 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) 19:47:26 executing program 4: r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000200)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, 0x24) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r2, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0x6, 0x11, 0x7}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x20018010) 19:47:26 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, 0x0, 0x101, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3385.315425] nbd: must specify a device to reconfigure 19:47:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r2, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r3}, {0x4}}]}, 0x20}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x8, 0xc, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x9}, [@generic={0x7f, 0x3, 0xb, 0x3f, 0x80d}, @jmp={0x5, 0x1, 0xb, 0x8, 0x9, 0x20, 0xfffffffffffffffd}, @initr0={0x18, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x4}, @alu={0x4, 0x0, 0x1, 0x4, 0x4, 0xfffffffffffffff4, 0x8}, @map_idx={0x18, 0x5, 0x5, 0x0, 0x10}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}]}, &(0x7f0000000080)='syzkaller\x00', 0xfffffffa, 0x1e, &(0x7f00000000c0)=""/30, 0x41000, 0x8, '\x00', r3, 0x25, r4, 0x8, &(0x7f0000000100)={0x6, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x3, 0x7, 0x1, 0x4}, 0x10, 0x0, r5, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, r6, 0x1]}, 0x80) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) getitimer(0x7, &(0x7f0000000240)) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r7, 0x1}, 0x14}}, 0x0) 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r1, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x44}}, 0x0) 19:47:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x1004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xc0, r1, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4a1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xc0}, 0x1, 0x0, 0x0, 0x11}, 0x8040) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r7, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x400d0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000600)=ANY=[@ANYBLOB="10000000", @ANYRES16=r5, @ANYRESDEC=r10], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r5, @ANYBLOB="010025bd7000ffdbdf25020000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4040}, 0x4040000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:26 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r1, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x44}}, 0x0) 19:47:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:26 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 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r2, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r3}, {0x4}}]}, 0x20}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x8, 0xc, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x9}, [@generic={0x7f, 0x3, 0xb, 0x3f, 0x80d}, @jmp={0x5, 0x1, 0xb, 0x8, 0x9, 0x20, 0xfffffffffffffffd}, @initr0={0x18, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x4}, @alu={0x4, 0x0, 0x1, 0x4, 0x4, 0xfffffffffffffff4, 0x8}, @map_idx={0x18, 0x5, 0x5, 0x0, 0x10}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}]}, &(0x7f0000000080)='syzkaller\x00', 0xfffffffa, 0x1e, &(0x7f00000000c0)=""/30, 0x41000, 0x8, '\x00', r3, 0x25, r4, 0x8, &(0x7f0000000100)={0x6, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x3, 0x7, 0x1, 0x4}, 0x10, 0x0, r5, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, r6, 0x1]}, 0x80) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) getitimer(0x7, &(0x7f0000000240)) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r7, 0x1}, 0x14}}, 0x0) 19:47:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x1004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3385.459422] nbd: must specify a device to reconfigure 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) prctl$PR_SET_MM_AUXV(0x23, 0xc, &(0x7f0000000080)="ac1ae745f4cd58dd9476fe0c09d99fb1de0fca7b0536ad5b3e8a6d8feb7a95a010572e9cecd1178b9a976800e6707675ca86287d65bc5ae780e3da41f19fa066241bb9c983cfc8b10b956c26744dd3612b9bbc", 0x53) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00', @ANYRES16=r1, @ANYBLOB="0001fdfffffffddbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = socket(0x25, 0x80000, 0xffffffff) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xb8, r1, 0x800, 0x70bd27, 0xd4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x30f0fcc6ec2fe8bd}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40801}, 0x4000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x14, r1, 0x1}, 0xe}, 0x1, 0x0, 0x0, 0x1080}, 0x0) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r2, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r3}, {0x4}}]}, 0x20}}, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x8, 0xc, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x9}, [@generic={0x7f, 0x3, 0xb, 0x3f, 0x80d}, @jmp={0x5, 0x1, 0xb, 0x8, 0x9, 0x20, 0xfffffffffffffffd}, @initr0={0x18, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x4}, @alu={0x4, 0x0, 0x1, 0x4, 0x4, 0xfffffffffffffff4, 0x8}, @map_idx={0x18, 0x5, 0x5, 0x0, 0x10}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}]}, &(0x7f0000000080)='syzkaller\x00', 0xfffffffa, 0x1e, &(0x7f00000000c0)=""/30, 0x41000, 0x8, '\x00', r3, 0x25, r4, 0x8, &(0x7f0000000100)={0x6, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x3, 0x7, 0x1, 0x4}, 0x10, 0x0, r5, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, r6, 0x1]}, 0x80) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) getitimer(0x7, &(0x7f0000000240)) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r7, 0x1}, 0x14}}, 0x0) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x44, r1, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x44}}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x40040}, 0xc0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000eb0003000000"], 0x14}}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) prctl$PR_SET_MM_AUXV(0x23, 0xc, &(0x7f0000000080)="ac1ae745f4cd58dd9476fe0c09d99fb1de0fca7b0536ad5b3e8a6d8feb7a95a010572e9cecd1178b9a976800e6707675ca86287d65bc5ae780e3da41f19fa066241bb9c983cfc8b10b956c26744dd3612b9bbc", 0x53) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00', @ANYRES16=r1, @ANYBLOB="0001fdfffffffddbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRESOCT=r0, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) semget(0x3, 0x4, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}]}, 0x90}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) prctl$PR_SET_MM_AUXV(0x23, 0xc, &(0x7f0000000080)="ac1ae745f4cd58dd9476fe0c09d99fb1de0fca7b0536ad5b3e8a6d8feb7a95a010572e9cecd1178b9a976800e6707675ca86287d65bc5ae780e3da41f19fa066241bb9c983cfc8b10b956c26744dd3612b9bbc", 0x53) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00', @ANYRES16=r1, @ANYBLOB="0001fdfffffffddbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) prctl$PR_SET_MM_AUXV(0x23, 0xc, &(0x7f0000000080)="ac1ae745f4cd58dd9476fe0c09d99fb1de0fca7b0536ad5b3e8a6d8feb7a95a010572e9cecd1178b9a976800e6707675ca86287d65bc5ae780e3da41f19fa066241bb9c983cfc8b10b956c26744dd3612b9bbc", 0x53) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00', @ANYRES16=r1, @ANYBLOB="0001fdfffffffddbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x4000081}, 0x0) (async) 19:47:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x1004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async, rerun: 32) r4 = socket(0x25, 0x80000, 0xffffffff) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xb8, r1, 0x800, 0x70bd27, 0xd4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x30f0fcc6ec2fe8bd}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40801}, 0x4000) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x14, r1, 0x1}, 0xe}, 0x1, 0x0, 0x0, 0x1080}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x84, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x40040}, 0xc0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000eb0003000000"], 0x14}}, 0x0) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRESOCT=r0, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) semget(0x3, 0x4, 0x0) [ 3385.750497] nbd: must specify a device to reconfigure 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000080000003000000"], 0x14}}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x78, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x78}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (rerun: 32) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x40040}, 0xc0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000eb0003000000"], 0x14}}, 0x0) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r4 = socket(0x25, 0x80000, 0xffffffff) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xb8, r1, 0x800, 0x70bd27, 0xd4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x30f0fcc6ec2fe8bd}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40801}, 0x4000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x14, r1, 0x1}, 0xe}, 0x1, 0x0, 0x0, 0x1080}, 0x0) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="00ebc8000001fe5f611fd5144afce2d4cbdca98a1e84596b014afcb017e3c6e7ce3d61df048fa0798d842c04515bea3134b4166fd06861a3492e1384d51fc3230413ca28383486f04aa920865a7c0230000000800000000012f66d0005cf7699989f6685b4a24ea4418f974988b9af1ec49f120092daac90dda1183ae7d1bf6d589385bde0c04e6c3e28b8ab0ae2708949ffdbd7124a2516ab62a9404ddb93e3cf43c4fc04dc1086811bc1341c032c64879909bcf1e8274bf46ae95baebc9bd33041fa6e337fbf8987ba43eda37aa2bdcc8fff1a6be1a18a85cac01d85e4c5d5fdebe22d3c8be0ec14771f11e1438dae22c52462608ed9b2a6a1cd", @ANYRESOCT=r0, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) semget(0x3, 0x4, 0x0) [ 3385.831711] nbd: must specify a device to reconfigure [ 3385.842725] nbd: must specify a device to reconfigure 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000080000003000000"], 0x14}}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x78, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x78}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)={0x68, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x66894}, 0x40041) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="10002dbd7000fddbdf25050000003d04cf11a15d879d181814eb0272e902850fd3eece73d6653028b15fde9110c1773ef06c1808bb655bda1b19b242cebe6b94785e2917b1d7090af203b5c277d35cc3a1f08e7e64c44e45d280ce3766a236de30006ff4262afec777d7e9bf4b0b60c08c597a75d3693a98b8"], 0x14}}, 0x20000010) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x38, 0x0, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x4004) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffd}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x20004084) [ 3385.882312] nbd: must specify at least one socket 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040084}, 0x880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x80040, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x85000}, 0x20000000) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x84, r1, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x6004000}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000080000003000000"], 0x14}}, 0x0) [ 3385.970325] nbd: must specify a device to reconfigure [ 3385.979944] nbd: must specify at least one socket 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x78, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x78}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3386.011505] nbd: must specify a device to reconfigure 19:47:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) (async, rerun: 64) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)={0x68, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x66894}, 0x40041) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="10002dbd7000fddbdf25050000003d04cf11a15d879d181814eb0272e902850fd3eece73d6653028b15fde9110c1773ef06c1808bb655bda1b19b242cebe6b94785e2917b1d7090af203b5c277d35cc3a1f08e7e64c44e45d280ce3766a236de30006ff4262afec777d7e9bf4b0b60c08c597a75d3693a98b8"], 0x14}}, 0x20000010) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x38, 0x0, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x4004) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffd}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x20004084) 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB='\x00\x00\x00\b', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040084}, 0x880) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async, rerun: 64) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x80040, 0x0) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x85000}, 0x20000000) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x84, r1, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x6004000}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.045035] nbd: must specify a device to reconfigure [ 3386.051747] nbd: must specify a device to reconfigure [ 3386.080535] nbd: must specify a device to reconfigure [ 3386.100233] nbd: must specify at least one socket 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x7c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, 0x0, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000200)={'sit0\x00', 0x0, 0x0, 0x7800, 0x0, 0xffffff01, {{0xa, 0x4, 0x0, 0x7, 0x28, 0x66, 0x0, 0x20, 0x2f, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x27}, {[@generic={0x88, 0x8, "6498e47766e5"}, @generic={0x94, 0xb, "1550cd642cb9df2c31"}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'macsec0\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000004c0)={'syztnl2\x00', &(0x7f0000000440)={'gre0\x00', 0x0, 0x8, 0x9f, 0xe9b1, 0xc8d, {{0xd, 0x4, 0x2, 0x21, 0x34, 0x65, 0x0, 0xe9, 0x4, 0x0, @rand_addr=0x64010102, @empty, {[@timestamp={0x44, 0x14, 0x78, 0x0, 0x9, [0x7, 0x6, 0x1ff, 0x20]}, @generic={0x7, 0x6, "2b6bd5fa"}, @ra={0x94, 0x4}]}}}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'gretap0\x00', 0x0}) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r11, @ANYBLOB="c51800000000000000000200000008000100", @ANYRES32=r12, @ANYBLOB="04000480"], 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000540)={'wg0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000001000)={&(0x7f0000001b00)={0xa48, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [{{0x8}, {0x224, 0x2, 0x0, 0x1, [{0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x101}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0xfffffffffffffc49}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xd4, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}, {0x44, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x14, 0x4, [{0x8, 0x0, 0x1, 0x100}, {0x8, 0x2, 0xc6, 0x9}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r2}, {0x40, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x264, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xe48d}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r3}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7f}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x8001}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r9}}, {0x8}}}]}}, {{0x8, 0x1, r12}, {0x280, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x800000}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x1, 0x1, 0x3f}, {0x4, 0x0, 0x86, 0x8107}, {0x5b9, 0xff, 0x2, 0x2}, {0x9, 0x81, 0x6, 0x4}]}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x101, 0x3, 0x7, 0x7}, {0x0, 0x1, 0x2}, {0xffff, 0xab, 0x1, 0x2}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r13}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xd3b}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0xa48}, 0x1, 0x0, 0x0, 0x40040}, 0x400c0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010015bf0000000000000f000000edff00007063690011000000303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB='\x00\x00\x00\b', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async, rerun: 64) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (rerun: 64) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)={0x68, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x66894}, 0x40041) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="10002dbd7000fddbdf25050000003d04cf11a15d879d181814eb0272e902850fd3eece73d6653028b15fde9110c1773ef06c1808bb655bda1b19b242cebe6b94785e2917b1d7090af203b5c277d35cc3a1f08e7e64c44e45d280ce3766a236de30006ff4262afec777d7e9bf4b0b60c08c597a75d3693a98b8"], 0x14}}, 0x20000010) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x38, 0x0, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x4004) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffd}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x20004084) (rerun: 32) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040084}, 0x880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.154711] nbd: must specify a device to reconfigure 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB='\x00\x00\x00\b', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x70, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x70}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x80040, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x85000}, 0x20000000) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x84, r1, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x6004000}, 0x20000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x0) 19:47:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, 0x0, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000200)={'sit0\x00', 0x0, 0x0, 0x7800, 0x0, 0xffffff01, {{0xa, 0x4, 0x0, 0x7, 0x28, 0x66, 0x0, 0x20, 0x2f, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x27}, {[@generic={0x88, 0x8, "6498e47766e5"}, @generic={0x94, 0xb, "1550cd642cb9df2c31"}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'macsec0\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000004c0)={'syztnl2\x00', &(0x7f0000000440)={'gre0\x00', 0x0, 0x8, 0x9f, 0xe9b1, 0xc8d, {{0xd, 0x4, 0x2, 0x21, 0x34, 0x65, 0x0, 0xe9, 0x4, 0x0, @rand_addr=0x64010102, @empty, {[@timestamp={0x44, 0x14, 0x78, 0x0, 0x9, [0x7, 0x6, 0x1ff, 0x20]}, @generic={0x7, 0x6, "2b6bd5fa"}, @ra={0x94, 0x4}]}}}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'gretap0\x00', 0x0}) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r11, @ANYBLOB="c51800000000000000000200000008000100", @ANYRES32=r12, @ANYBLOB="04000480"], 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000540)={'wg0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000001000)={&(0x7f0000001b00)={0xa48, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [{{0x8}, {0x224, 0x2, 0x0, 0x1, [{0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x101}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0xfffffffffffffc49}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xd4, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}, {0x44, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x14, 0x4, [{0x8, 0x0, 0x1, 0x100}, {0x8, 0x2, 0xc6, 0x9}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r2}, {0x40, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x264, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xe48d}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r3}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7f}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x8001}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r9}}, {0x8}}}]}}, {{0x8, 0x1, r12}, {0x280, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x800000}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x1, 0x1, 0x3f}, {0x4, 0x0, 0x86, 0x8107}, {0x5b9, 0xff, 0x2, 0x2}, {0x9, 0x81, 0x6, 0x4}]}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x101, 0x3, 0x7, 0x7}, {0x0, 0x1, 0x2}, {0xffff, 0xab, 0x1, 0x2}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r13}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xd3b}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0xa48}, 0x1, 0x0, 0x0, 0x40040}, 0x400c0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010015bf0000000000000f000000edff00007063690011000000303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, 0x0, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000200)={'sit0\x00', 0x0, 0x0, 0x7800, 0x0, 0xffffff01, {{0xa, 0x4, 0x0, 0x7, 0x28, 0x66, 0x0, 0x20, 0x2f, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x27}, {[@generic={0x88, 0x8, "6498e47766e5"}, @generic={0x94, 0xb, "1550cd642cb9df2c31"}]}}}}}) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'macsec0\x00'}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000004c0)={'syztnl2\x00', &(0x7f0000000440)={'gre0\x00', 0x0, 0x8, 0x9f, 0xe9b1, 0xc8d, {{0xd, 0x4, 0x2, 0x21, 0x34, 0x65, 0x0, 0xe9, 0x4, 0x0, @rand_addr=0x64010102, @empty, {[@timestamp={0x44, 0x14, 0x78, 0x0, 0x9, [0x7, 0x6, 0x1ff, 0x20]}, @generic={0x7, 0x6, "2b6bd5fa"}, @ra={0x94, 0x4}]}}}}}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'gretap0\x00'}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r11, @ANYBLOB="c51800000000000000000200000008000100", @ANYRES32=r12, @ANYBLOB="04000480"], 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000540)={'wg0\x00'}) (async) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000001000)={&(0x7f0000001b00)={0xa48, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [{{0x8}, {0x224, 0x2, 0x0, 0x1, [{0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x101}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0xfffffffffffffc49}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xd4, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}, {0x44, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x14, 0x4, [{0x8, 0x0, 0x1, 0x100}, {0x8, 0x2, 0xc6, 0x9}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r2}, {0x40, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x264, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xe48d}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r3}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7f}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x8001}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r9}}, {0x8}}}]}}, {{0x8, 0x1, r12}, {0x280, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x800000}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x1, 0x1, 0x3f}, {0x4, 0x0, 0x86, 0x8107}, {0x5b9, 0xff, 0x2, 0x2}, {0x9, 0x81, 0x6, 0x4}]}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x101, 0x3, 0x7, 0x7}, {0x0, 0x1, 0x2}, {0xffff, 0xab, 0x1, 0x2}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r13}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xd3b}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0xa48}, 0x1, 0x0, 0x0, 0x40040}, 0x400c0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010015bf0000000000000f000000edff00007063690011000000303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) [ 3386.272073] nbd: must specify a device to reconfigure [ 3386.288252] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3386.302001] nbd: must specify a device to reconfigure 19:47:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r1, 0x200, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfafb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8800}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.329620] nbd: must specify a device to reconfigure 19:47:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x4008014) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) 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$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000340)={0x1c, 0x0, 0x200}, 0x1c}, 0x1, 0x0, 0x0, 0xadadb979fd65bd11}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r5, 0x1, 0x0, 0x200000}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2800058}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r5, 0x8, 0x70bd2b, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r7 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r7, &(0x7f0000000040)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x7d94, @private0, 0x4}}, 0x24) 19:47:27 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x58, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000002c0)={&(0x7f0000000280)='./file0\x00'}, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}}, 0x85) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000340), 0x208000, 0x0) r9 = socket(0xb, 0x6, 0x2) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20004800}, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="0e2d38e15928fcb1539e2b8c55903e3b289a6e809dc0839a86afc048123d2c2ab4d61d739ca6f50773ec997f697ceb445a839a62ea82dbd2c1e5740ad381a4aefd9e75c1ddf108f3533abde64967f3a8b9bfa2d03013ff2a9d816581579e3612af3baa81bd196aae3932bfeab24d293de9810a1ff124f79b5d9234be6f109ed97aad796f92c1846bfe09584e796e6e4b8ca7ff21e4bf4bfb64cab9ca39cf68487b3ea6077f2c29e94f5ab56286bf28b47e6fee31ab4b80a986efbe084797dd03235938de633ca33b90cbd9f3f76f460c4b1b249d9ca2a08a508c605b0e66b5f9bd94eb875babba17aa4bf49ae8ed01769fc44e7b5977d73724163032d6000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3386.390770] nbd: must specify a device to reconfigure 19:47:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x0) [ 3386.434327] nbd: must specify a device to reconfigure 19:47:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r1, 0x200, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfafb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8800}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x0) 19:47:28 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x58, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r1, 0x200, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfafb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8800}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 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$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x4008014) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000340)={0x1c, 0x0, 0x200}, 0x1c}, 0x1, 0x0, 0x0, 0xadadb979fd65bd11}, 0x44000) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r5, 0x1, 0x0, 0x200000}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2800058}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r5, 0x8, 0x70bd2b, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r7 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r7, &(0x7f0000000040)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x7d94, @private0, 0x4}}, 0x24) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, 0x0, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000200)={'sit0\x00', 0x0, 0x0, 0x7800, 0x0, 0xffffff01, {{0xa, 0x4, 0x0, 0x7, 0x28, 0x66, 0x0, 0x20, 0x2f, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x27}, {[@generic={0x88, 0x8, "6498e47766e5"}, @generic={0x94, 0xb, "1550cd642cb9df2c31"}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'macsec0\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000004c0)={'syztnl2\x00', &(0x7f0000000440)={'gre0\x00', 0x0, 0x8, 0x9f, 0xe9b1, 0xc8d, {{0xd, 0x4, 0x2, 0x21, 0x34, 0x65, 0x0, 0xe9, 0x4, 0x0, @rand_addr=0x64010102, @empty, {[@timestamp={0x44, 0x14, 0x78, 0x0, 0x9, [0x7, 0x6, 0x1ff, 0x20]}, @generic={0x7, 0x6, "2b6bd5fa"}, @ra={0x94, 0x4}]}}}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'gretap0\x00', 0x0}) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r11, @ANYBLOB="c51800000000000000000200000008000100", @ANYRES32=r12, @ANYBLOB="04000480"], 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000540)={'wg0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000001000)={&(0x7f0000001b00)={0xa48, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [{{0x8}, {0x224, 0x2, 0x0, 0x1, [{0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x101}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0xfffffffffffffc49}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xd4, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}, {0x44, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x14, 0x4, [{0x8, 0x0, 0x1, 0x100}, {0x8, 0x2, 0xc6, 0x9}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r2}, {0x40, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x264, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xe48d}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r3}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7f}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x8001}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r9}}, {0x8}}}]}}, {{0x8, 0x1, r12}, {0x280, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x800000}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x1, 0x1, 0x3f}, {0x4, 0x0, 0x86, 0x8107}, {0x5b9, 0xff, 0x2, 0x2}, {0x9, 0x81, 0x6, 0x4}]}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x101, 0x3, 0x7, 0x7}, {0x0, 0x1, 0x2}, {0xffff, 0xab, 0x1, 0x2}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r13}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xd3b}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0xa48}, 0x1, 0x0, 0x0, 0x40040}, 0x400c0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010015bf0000000000000f000000edff00007063690011000000303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, 0x0, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000200)={'sit0\x00', 0x0, 0x0, 0x7800, 0x0, 0xffffff01, {{0xa, 0x4, 0x0, 0x7, 0x28, 0x66, 0x0, 0x20, 0x2f, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x27}, {[@generic={0x88, 0x8, "6498e47766e5"}, @generic={0x94, 0xb, "1550cd642cb9df2c31"}]}}}}}) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'macsec0\x00'}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000004c0)={'syztnl2\x00', &(0x7f0000000440)={'gre0\x00', 0x0, 0x8, 0x9f, 0xe9b1, 0xc8d, {{0xd, 0x4, 0x2, 0x21, 0x34, 0x65, 0x0, 0xe9, 0x4, 0x0, @rand_addr=0x64010102, @empty, {[@timestamp={0x44, 0x14, 0x78, 0x0, 0x9, [0x7, 0x6, 0x1ff, 0x20]}, @generic={0x7, 0x6, "2b6bd5fa"}, @ra={0x94, 0x4}]}}}}}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'gretap0\x00'}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r11, @ANYBLOB="c51800000000000000000200000008000100", @ANYRES32=r12, @ANYBLOB="04000480"], 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000540)={'wg0\x00'}) (async) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)) (async) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000001000)={&(0x7f0000001b00)={0xa48, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [{{0x8}, {0x224, 0x2, 0x0, 0x1, [{0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x101}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0xfffffffffffffc49}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xd4, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x20}}, {0x8}}}, {0x44, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x14, 0x4, [{0x8, 0x0, 0x1, 0x100}, {0x8, 0x2, 0xc6, 0x9}]}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r2}, {0x40, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x264, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xe48d}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r3}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x7f}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x8001}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r9}}, {0x8}}}]}}, {{0x8, 0x1, r12}, {0x280, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x800000}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x9, 0x1, 0x1, 0x3f}, {0x4, 0x0, 0x86, 0x8107}, {0x5b9, 0xff, 0x2, 0x2}, {0x9, 0x81, 0x6, 0x4}]}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xff}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x1c, 0x4, [{0x101, 0x3, 0x7, 0x7}, {0x0, 0x1, 0x2}, {0xffff, 0xab, 0x1, 0x2}]}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r13}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0xd3b}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0xa48}, 0x1, 0x0, 0x0, 0x40040}, 0x400c0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010015bf0000000000000f000000edff00007063690011000000303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000002c0)={&(0x7f0000000280)='./file0\x00'}, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}}, 0x85) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000340), 0x208000, 0x0) r9 = socket(0xb, 0x6, 0x2) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20004800}, 0x800) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3386.529717] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3386.597836] nbd: must specify a device to reconfigure 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) socketpair(0x18, 0x1, 0x5b2a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$MRT_DEL_MFC(r3, 0x0, 0xcd, &(0x7f0000000040)={@multicast1, @multicast1, 0x1, "d821f4e17ead4c981ded43e67061326de7dbfac9618fa0bd04f27dacf4010a5c", 0x7, 0x68f, 0x9, 0x6}, 0x3c) r4 = socket(0x3, 0x80004, 0x1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x20, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4048080}, 0x4004) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = socket(0x15, 0x800, 0x3ff) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r1, 0x300, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x64}, 0x1, 0x0, 0x0, 0x20009000}, 0x4080) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r7, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x4020004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.618033] nbd: must specify a device to reconfigure 19:47:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x58, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000002c0)={&(0x7f0000000280)='./file0\x00'}, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}}, 0x85) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000340), 0x208000, 0x0) (async) r9 = socket(0xb, 0x6, 0x2) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20004800}, 0x800) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) socketpair(0x18, 0x1, 0x5b2a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$MRT_DEL_MFC(r3, 0x0, 0xcd, &(0x7f0000000040)={@multicast1, @multicast1, 0x1, "d821f4e17ead4c981ded43e67061326de7dbfac9618fa0bd04f27dacf4010a5c", 0x7, 0x68f, 0x9, 0x6}, 0x3c) (async) r4 = socket(0x3, 0x80004, 0x1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x20, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4048080}, 0x4004) 19:47:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r2, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x4008014) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (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$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000340)={0x1c, 0x0, 0x200}, 0x1c}, 0x1, 0x0, 0x0, 0xadadb979fd65bd11}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r5, 0x1, 0x0, 0x200000}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2800058}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r5, 0x8, 0x70bd2b, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r7 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r7, &(0x7f0000000040)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x7d94, @private0, 0x4}}, 0x24) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = socket(0x15, 0x800, 0x3ff) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r1, 0x300, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x64}, 0x1, 0x0, 0x0, 0x20009000}, 0x4080) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r7, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x4020004) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.700035] nbd: must specify a device to reconfigure [ 3386.711146] nbd: must specify a device to reconfigure [ 3386.720234] nbd: must specify a device to reconfigure 19:47:28 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x80400, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r1, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}]}, 0x54}}, 0x8044) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc9ed}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.792020] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3386.821688] nbd: must specify a device to reconfigure [ 3386.834504] nbd: must specify a device to reconfigure 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) socketpair(0x18, 0x1, 0x5b2a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$MRT_DEL_MFC(r3, 0x0, 0xcd, &(0x7f0000000040)={@multicast1, @multicast1, 0x1, "d821f4e17ead4c981ded43e67061326de7dbfac9618fa0bd04f27dacf4010a5c", 0x7, 0x68f, 0x9, 0x6}, 0x3c) (async) r4 = socket(0x3, 0x80004, 0x1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x20, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4048080}, 0x4004) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) r5 = socket(0x15, 0x800, 0x3ff) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r1, 0x300, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x64}, 0x1, 0x0, 0x0, 0x20009000}, 0x4080) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r7, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x4020004) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3386.861478] nbd: must specify a device to reconfigure 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x20}, 0x1, 0x0, 0x0, 0xc000}, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000140), 0x38140, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000380)={&(0x7f0000000340)='./file0\x00', 0x1}, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r6, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r6, 0x502, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@pci={{0x8}, {0x11}}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000010) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x80400, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r1, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}]}, 0x54}}, 0x8044) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd91}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x736e}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x24000051) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc9ed}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (rerun: 64) [ 3386.950824] nbd: must specify a device to reconfigure [ 3386.964712] nbd: must specify a device to reconfigure [ 3386.979327] nbd: must specify a device to reconfigure 19:47:28 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) [ 3387.064189] nbd: must specify a device to reconfigure 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd91}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x736e}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x24000051) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc9ed}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x20}, 0x1, 0x0, 0x0, 0xc000}, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000140), 0x38140, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000380)={&(0x7f0000000340)='./file0\x00', 0x1}, 0x10) sendmsg$DEVLINK_CMD_SB_POOL_GET(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r6, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r6, 0x502, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@pci={{0x8}, {0x11}}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000010) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 3387.087801] nbd: must specify a device to reconfigure 19:47:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x54}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r0, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) socketpair(0xb, 0x5, 0x80, &(0x7f0000000100)={0xffffffffffffffff}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_GET(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r4, @ANYBLOB="00033fbd7000fedbdf254a000000080001007063690011000200303030303a30303a31302e300000000008000300020000004c00a800b78161a140da1e2ca9b71bb3581347fbbf8aa3622499a8a19b84444b755dd9bab8e9b45d8ecd87a26d456ba533c4e7080003000200"/116], 0x8c}, 0x1, 0x0, 0x0, 0x40}, 0x44010) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000400000000000000007030303a31302e300000000008000b0000000006021100000000000019de7813ebfd2b39d85c4e0c3bc36581b9f57094217c7d0d67056aae118878f77dba207f57499326fba16a167172dfee2a9e7d9b64d943eda8e5e5618977999289eb55542252d750e8aa0ddfa940bfe770ce450924b2f009c1e481eaceabdb69468d22073511218a665e4ecc7a7de23311fa152309d7b49727348d3eb83b51e90700000095b0d8567816acbe2c1b27eb51491b47595165a72308bb6ab57ea1767ed79e16641040b1fea77a74dee6"], 0x40}}, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f0000000240)={0x77359400}, 0x10) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x80400, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r1, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}]}, 0x54}}, 0x8044) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3387.171142] nbd: must specify a device to reconfigure 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd91}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x736e}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x24000051) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7000ffdbdf25010000000800ffffffff64000c000600030000000000000008000100000000000c00060001000000000000000c0004000200000000000000"], 0x48}, 0x1, 0x0, 0x0, 0x20008011}, 0x20000000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r1, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x48000}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x30, r1, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000080}, 0x4080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14003da2", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x54, r1, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x40040) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x20}, 0x1, 0x0, 0x0, 0xc000}, 0x4) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000140), 0x38140, 0x0) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000380)={&(0x7f0000000340)='./file0\x00', 0x1}, 0x10) (async, rerun: 32) sendmsg$DEVLINK_CMD_SB_POOL_GET(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r6, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async, rerun: 32) sendmsg$DEVLINK_CMD_RATE_DEL(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r6, 0x502, 0x70bd2c, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@pci={{0x8}, {0x11}}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000010) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r0, 0x1}, 0x14}}, 0x0) (async) [ 3387.202773] nbd: must specify a device to reconfigure [ 3387.210259] nbd: must specify a device to reconfigure [ 3387.220681] nbd: must specify a device to reconfigure 19:47:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x54}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) socketpair(0xb, 0x5, 0x80, &(0x7f0000000100)={0xffffffffffffffff}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_GET(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r4, @ANYBLOB="00033fbd7000fedbdf254a000000080001007063690011000200303030303a30303a31302e300000000008000300020000004c00a800b78161a140da1e2ca9b71bb3581347fbbf8aa3622499a8a19b84444b755dd9bab8e9b45d8ecd87a26d456ba533c4e7080003000200"/116], 0x8c}, 0x1, 0x0, 0x0, 0x40}, 0x44010) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000400000000000000007030303a31302e300000000008000b0000000006021100000000000019de7813ebfd2b39d85c4e0c3bc36581b9f57094217c7d0d67056aae118878f77dba207f57499326fba16a167172dfee2a9e7d9b64d943eda8e5e5618977999289eb55542252d750e8aa0ddfa940bfe770ce450924b2f009c1e481eaceabdb69468d22073511218a665e4ecc7a7de23311fa152309d7b49727348d3eb83b51e90700000095b0d8567816acbe2c1b27eb51491b47595165a72308bb6ab57ea1767ed79e16641040b1fea77a74dee6"], 0x40}}, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f0000000240)={0x77359400}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) socketpair(0xb, 0x5, 0x80, &(0x7f0000000100)) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_RATE_GET(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r4, @ANYBLOB="00033fbd7000fedbdf254a000000080001007063690011000200303030303a30303a31302e300000000008000300020000004c00a800b78161a140da1e2ca9b71bb3581347fbbf8aa3622499a8a19b84444b755dd9bab8e9b45d8ecd87a26d456ba533c4e7080003000200"/116], 0x8c}, 0x1, 0x0, 0x0, 0x40}, 0x44010) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000400000000000000007030303a31302e300000000008000b0000000006021100000000000019de7813ebfd2b39d85c4e0c3bc36581b9f57094217c7d0d67056aae118878f77dba207f57499326fba16a167172dfee2a9e7d9b64d943eda8e5e5618977999289eb55542252d750e8aa0ddfa940bfe770ce450924b2f009c1e481eaceabdb69468d22073511218a665e4ecc7a7de23311fa152309d7b49727348d3eb83b51e90700000095b0d8567816acbe2c1b27eb51491b47595165a72308bb6ab57ea1767ed79e16641040b1fea77a74dee6"], 0x40}}, 0x0) (async) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f0000000240)={0x77359400}, 0x10) (async) 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7000ffdbdf25010000000800ffffffff64000c000600030000000000000008000100000000000c00060001000000000000000c0004000200000000000000"], 0x48}, 0x1, 0x0, 0x0, 0x20008011}, 0x20000000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r1, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x48000}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x30, r1, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000080}, 0x4080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14003da2", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x54, r1, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x40040) [ 3387.263590] nbd: must specify at least one socket 19:47:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x54}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) socketpair(0xb, 0x5, 0x80, &(0x7f0000000100)={0xffffffffffffffff}) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r4, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_RATE_GET(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r4, @ANYBLOB="00033fbd7000fedbdf254a000000080001007063690011000200303030303a30303a31302e300000000008000300020000004c00a800b78161a140da1e2ca9b71bb3581347fbbf8aa3622499a8a19b84444b755dd9bab8e9b45d8ecd87a26d456ba533c4e7080003000200"/116], 0x8c}, 0x1, 0x0, 0x0, 0x40}, 0x44010) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000400000000000000007030303a31302e300000000008000b0000000006021100000000000019de7813ebfd2b39d85c4e0c3bc36581b9f57094217c7d0d67056aae118878f77dba207f57499326fba16a167172dfee2a9e7d9b64d943eda8e5e5618977999289eb55542252d750e8aa0ddfa940bfe770ce450924b2f009c1e481eaceabdb69468d22073511218a665e4ecc7a7de23311fa152309d7b49727348d3eb83b51e90700000095b0d8567816acbe2c1b27eb51491b47595165a72308bb6ab57ea1767ed79e16641040b1fea77a74dee6"], 0x40}}, 0x0) (async) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f0000000240)={0x77359400}, 0x10) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r4, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="aa7fd8c28534059062", @ANYRES16=r3, @ANYBLOB="0100000000000000000006000000050005000000000014002000fc0100000000000000000000000000000500220000000000"], 0x38}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r3, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@L2TP_ATTR_LNS_MODE={0x5, 0x14, 0xff}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80011}, 0x8000) 19:47:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r0, 0x1}, 0x14}}, 0x0) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)={0x14, r1, 0x1}, 0x4}}, 0x40041) sendmsg$NFNL_MSG_ACCT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80500c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x3, 0x7, 0x801, 0x0, 0x0, {0xa, 0x0, 0x5}, [@NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xfffffffffffffffd}, @NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x5}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}, @NFACCT_FLAGS={0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x40084}, 0x10) [ 3387.347895] nbd: must specify a device to reconfigure [ 3387.360674] nbd: must specify at least one socket 19:47:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7000ffdbdf25010000000800ffffffff64000c000600030000000000000008000100000000000c00060001000000000000000c0004000200000000000000"], 0x48}, 0x1, 0x0, 0x0, 0x20008011}, 0x20000000) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) (async) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r7, 0x0, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r1, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x48000}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x30, r1, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000080}, 0x4080) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14003da2", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x54, r1, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x40040) 19:47:28 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x54}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)={0x14, r1, 0x1}, 0x4}}, 0x40041) sendmsg$NFNL_MSG_ACCT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80500c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x3, 0x7, 0x801, 0x0, 0x0, {0xa, 0x0, 0x5}, [@NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xfffffffffffffffd}, @NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x5}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}, @NFACCT_FLAGS={0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x40084}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)={0x14, r1, 0x1}, 0x4}}, 0x40041) (async) sendmsg$NFNL_MSG_ACCT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80500c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x3, 0x7, 0x801, 0x0, 0x0, {0xa, 0x0, 0x5}, [@NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xfffffffffffffffd}, @NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x5}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}, @NFACCT_FLAGS={0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x40084}, 0x10) (async) 19:47:28 executing program 0: r0 = socket(0xb, 0x1, 0x9) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0xf, 0x6, 0x5, 0x0, 0x0, {0x5, 0x0, 0x1}, [@IPSET_ATTR_INDEX={0x6, 0xb, 0x2}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000400", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xcc, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x830}, {0x6, 0x11, 0x2}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x750}, {0x6, 0x11, 0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xb15a}, {0x6, 0x11, 0x6}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x2}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x80}, 0x40) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r2, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'pci\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4044050}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r4) 19:47:28 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x1b}, {0x6, 0x11, 0x9}}]}, 0x40}, 0x1, 0x0, 0x0, 0x24040010}, 0x8840) getitimer(0x0, &(0x7f0000000000)) socketpair(0x29, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) getitimer(0x0, &(0x7f0000000080)) 19:47:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r4, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="aa7fd8c28534059062", @ANYRES16=r3, @ANYBLOB="0100000000000000000006000000050005000000000014002000fc0100000000000000000000000000000500220000000000"], 0x38}}, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r3, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@L2TP_ATTR_LNS_MODE={0x5, 0x14, 0xff}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80011}, 0x8000) 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_LOCK(0x0, 0xb) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = shmget(0x1, 0x1000, 0x78000000, &(0x7f0000ffd000/0x1000)=nil) shmctl$IPC_STAT(r2, 0x2, &(0x7f0000000000)=""/164) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3387.459689] nbd: must specify a device to reconfigure [ 3387.499096] nbd: must specify at least one socket 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x1b}, {0x6, 0x11, 0x9}}]}, 0x40}, 0x1, 0x0, 0x0, 0x24040010}, 0x8840) getitimer(0x0, &(0x7f0000000000)) socketpair(0x29, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) getitimer(0x0, &(0x7f0000000080)) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x1b}, {0x6, 0x11, 0x9}}]}, 0x40}, 0x1, 0x0, 0x0, 0x24040010}, 0x8840) (async) getitimer(0x0, &(0x7f0000000000)) (async) socketpair(0x29, 0x2, 0x1, &(0x7f0000000000)) (async) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) (async) getitimer(0x0, &(0x7f0000000080)) (async) [ 3387.539951] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r4, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="aa7fd8c28534059062", @ANYRES16=r3, @ANYBLOB="0100000000000000000006000000050005000000000014002000fc0100000000000000000000000000000500220000000000"], 0x38}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r3, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@L2TP_ATTR_LNS_MODE={0x5, 0x14, 0xff}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80011}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$L2TP_CMD_SESSION_DELETE(r4, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="aa7fd8c28534059062", @ANYRES16=r3, @ANYBLOB="0100000000000000000006000000050005000000000014002000fc0100000000000000000000000000000500220000000000"], 0x38}}, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r3, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@L2TP_ATTR_LNS_MODE={0x5, 0x14, 0xff}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80011}, 0x8000) (async) 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 0: r0 = socket(0xb, 0x1, 0x9) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0xf, 0x6, 0x5, 0x0, 0x0, {0x5, 0x0, 0x1}, [@IPSET_ATTR_INDEX={0x6, 0xb, 0x2}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000400", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xcc, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x830}, {0x6, 0x11, 0x2}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x750}, {0x6, 0x11, 0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xb15a}, {0x6, 0x11, 0x6}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x2}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x80}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r2, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'pci\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4044050}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r4) 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_LOCK(0x0, 0xb) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = shmget(0x1, 0x1000, 0x78000000, &(0x7f0000ffd000/0x1000)=nil) shmctl$IPC_STAT(r2, 0x2, &(0x7f0000000000)=""/164) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3387.617988] nbd: must specify a device to reconfigure [ 3387.639213] nbd: must specify a device to reconfigure 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xa88a8437c063aa42}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf3e}]}, 0x20}, 0x1, 0x0, 0x0, 0x48011}, 0x440c0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x14, r2, 0x1, 0x3}, 0x14}}, 0x0) 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)={0x14, r1, 0x1}, 0x4}}, 0x40041) sendmsg$NFNL_MSG_ACCT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80500c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x3, 0x7, 0x801, 0x0, 0x0, {0xa, 0x0, 0x5}, [@NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xfffffffffffffffd}, @NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x5}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}, @NFACCT_FLAGS={0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x40084}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000140)={0x14, r1, 0x1}, 0x4}}, 0x40041) (async) sendmsg$NFNL_MSG_ACCT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80500c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x3, 0x7, 0x801, 0x0, 0x0, {0xa, 0x0, 0x5}, [@NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xfffffffffffffffd}, @NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x5}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}, @NFACCT_FLAGS={0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x40084}, 0x10) (async) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x1b}, {0x6, 0x11, 0x9}}]}, 0x40}, 0x1, 0x0, 0x0, 0x24040010}, 0x8840) getitimer(0x0, &(0x7f0000000000)) (async) socketpair(0x29, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) (async) getitimer(0x0, &(0x7f0000000080)) [ 3387.661566] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_LOCK(0x0, 0xb) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = shmget(0x1, 0x1000, 0x78000000, &(0x7f0000ffd000/0x1000)=nil) shmctl$IPC_STAT(r2, 0x2, &(0x7f0000000000)=""/164) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x18, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000080), r0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f00000000c0)={'syztnl2\x00', 0x0, 0x1, 0x1, 0x1546, 0x9b80, {{0xf, 0x4, 0x3, 0x6, 0x3c, 0x65, 0x0, 0x17, 0x4, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x1c, 0x94, 0x3, 0x1, [{@initdev={0xac, 0x1e, 0x0, 0x0}}, {@initdev={0xac, 0x1e, 0x1, 0x0}, 0x5}, {@dev={0xac, 0x14, 0x14, 0x35}, 0x5}]}, @generic={0x88, 0xc, "0c368aa380f7fa49b90e"}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'pim6reg\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'syztnl0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x1, 0x80, 0x7fffffff, 0x4, {{0x16, 0x4, 0x1, 0x1, 0x58, 0x64, 0x0, 0x6, 0x4, 0x0, @local, @rand_addr=0x64010102, {[@timestamp={0x44, 0x18, 0x6a, 0x0, 0x6, [0xfffffffd, 0x1, 0x2, 0x7, 0x5]}, @ssrr={0x89, 0x13, 0xdf, [@broadcast, @multicast2, @remote, @loopback]}, @ra={0x94, 0x4}, @timestamp={0x44, 0xc, 0xbf, 0x0, 0x5, [0xcf8, 0x4]}, @ra={0x94, 0x4}, @ra={0x94, 0x4}]}}}}}) sendmsg$TEAM_CMD_PORT_LIST_GET(r1, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000380)={0xec, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [{{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8, 0x6, r4}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8, 0x1, r5}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}]}}]}, 0xec}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000001000000000000000000040021007063690011000200303030303a0000000008000b000000000006001100"/58], 0x40}}, 0x0) [ 3387.701877] nbd: must specify a device to reconfigure 19:47:29 executing program 0: r0 = socket(0xb, 0x1, 0x9) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0xf, 0x6, 0x5, 0x0, 0x0, {0x5, 0x0, 0x1}, [@IPSET_ATTR_INDEX={0x6, 0xb, 0x2}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000400", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xcc, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x830}, {0x6, 0x11, 0x2}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x750}, {0x6, 0x11, 0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xb15a}, {0x6, 0x11, 0x6}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x2}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x80}, 0x40) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r2, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'pci\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4044050}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r4) socket(0xb, 0x1, 0x9) (async) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0xf, 0x6, 0x5, 0x0, 0x0, {0x5, 0x0, 0x1}, [@IPSET_ATTR_INDEX={0x6, 0xb, 0x2}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000400", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xcc, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x830}, {0x6, 0x11, 0x2}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x750}, {0x6, 0x11, 0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xb15a}, {0x6, 0x11, 0x6}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x2}}]}, 0xcc}, 0x1, 0x0, 0x0, 0x80}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r2, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'pci\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4044050}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r4) (async) 19:47:29 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xa88a8437c063aa42}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf3e}]}, 0x20}, 0x1, 0x0, 0x0, 0x48011}, 0x440c0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x14, r2, 0x1, 0x3}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xa88a8437c063aa42}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf3e}]}, 0x20}, 0x1, 0x0, 0x0, 0x48011}, 0x440c0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x14, r2, 0x1, 0x3}, 0x14}}, 0x0) (async) 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r1, 0x0, 0x70bd28, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0xc}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x10, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x34}}, 0x40) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0900000000000000000003000000"], 0x14}}, 0x0) [ 3387.762092] nbd: must specify a device to reconfigure 19:47:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 3387.797192] nbd: must specify a device to reconfigure 19:47:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x513, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+#^]'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000000) setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x2, 0x4], 0x2) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x18, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000080), r0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f00000000c0)={'syztnl2\x00', 0x0, 0x1, 0x1, 0x1546, 0x9b80, {{0xf, 0x4, 0x3, 0x6, 0x3c, 0x65, 0x0, 0x17, 0x4, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x1c, 0x94, 0x3, 0x1, [{@initdev={0xac, 0x1e, 0x0, 0x0}}, {@initdev={0xac, 0x1e, 0x1, 0x0}, 0x5}, {@dev={0xac, 0x14, 0x14, 0x35}, 0x5}]}, @generic={0x88, 0xc, "0c368aa380f7fa49b90e"}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'pim6reg\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'syztnl0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x1, 0x80, 0x7fffffff, 0x4, {{0x16, 0x4, 0x1, 0x1, 0x58, 0x64, 0x0, 0x6, 0x4, 0x0, @local, @rand_addr=0x64010102, {[@timestamp={0x44, 0x18, 0x6a, 0x0, 0x6, [0xfffffffd, 0x1, 0x2, 0x7, 0x5]}, @ssrr={0x89, 0x13, 0xdf, [@broadcast, @multicast2, @remote, @loopback]}, @ra={0x94, 0x4}, @timestamp={0x44, 0xc, 0xbf, 0x0, 0x5, [0xcf8, 0x4]}, @ra={0x94, 0x4}, @ra={0x94, 0x4}]}}}}}) sendmsg$TEAM_CMD_PORT_LIST_GET(r1, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000380)={0xec, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [{{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8, 0x6, r4}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8, 0x1, r5}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}]}}]}, 0xec}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000001000000000000000000040021007063690011000200303030303a0000000008000b000000000006001100"/58], 0x40}}, 0x0) 19:47:29 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3387.870160] nbd: must specify a device to reconfigure 19:47:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 3387.891550] nbd: must specify a device to reconfigure 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xa88a8437c063aa42}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf3e}]}, 0x20}, 0x1, 0x0, 0x0, 0x48011}, 0x440c0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x14, r2, 0x1, 0x3}, 0x14}}, 0x0) 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r1, 0x0, 0x70bd28, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0xc}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x10, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x34}}, 0x40) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0900000000000000000003000000"], 0x14}}, 0x0) [ 3387.921942] nbd: must specify a device to reconfigure 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x18, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000080), r0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f00000000c0)={'syztnl2\x00', 0x0, 0x1, 0x1, 0x1546, 0x9b80, {{0xf, 0x4, 0x3, 0x6, 0x3c, 0x65, 0x0, 0x17, 0x4, 0x0, @empty, @empty, {[@timestamp_prespec={0x44, 0x1c, 0x94, 0x3, 0x1, [{@initdev={0xac, 0x1e, 0x0, 0x0}}, {@initdev={0xac, 0x1e, 0x1, 0x0}, 0x5}, {@dev={0xac, 0x14, 0x14, 0x35}, 0x5}]}, @generic={0x88, 0xc, "0c368aa380f7fa49b90e"}]}}}}}) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'pim6reg\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'syztnl0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x1, 0x80, 0x7fffffff, 0x4, {{0x16, 0x4, 0x1, 0x1, 0x58, 0x64, 0x0, 0x6, 0x4, 0x0, @local, @rand_addr=0x64010102, {[@timestamp={0x44, 0x18, 0x6a, 0x0, 0x6, [0xfffffffd, 0x1, 0x2, 0x7, 0x5]}, @ssrr={0x89, 0x13, 0xdf, [@broadcast, @multicast2, @remote, @loopback]}, @ra={0x94, 0x4}, @timestamp={0x44, 0xc, 0xbf, 0x0, 0x5, [0xcf8, 0x4]}, @ra={0x94, 0x4}, @ra={0x94, 0x4}]}}}}}) sendmsg$TEAM_CMD_PORT_LIST_GET(r1, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000380)={0xec, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [{{0x8, 0x1, r3}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x3ff}}, {0x8, 0x6, r4}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8, 0x1, r5}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8}}}]}}]}, 0xec}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000001000000000000000000040021007063690011000200303030303a0000000008000b000000000006001100"/58], 0x40}}, 0x0) 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) [ 3387.971648] nbd: must specify a device to reconfigure [ 3387.990845] nbd: must specify at least one socket 19:47:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x513, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+#^]'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000000) (async) setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x2, 0x4], 0x2) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) [ 3388.015014] nbd: must specify a device to reconfigure 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r1, 0x0, 0x70bd28, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0xc}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x10, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x34}}, 0x40) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0900000000000000000003000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r1, 0x0, 0x70bd28, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0xc}, 0x80) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x10, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x34}}, 0x40) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0900000000000000000003000000"], 0x14}}, 0x0) (async) 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r2, 0xc0c89425, &(0x7f0000000580)={"50050dd4762cbf14702649f62d3864f1", 0x0, 0x0, {0xe7df, 0x8001}, {0x3, 0x1000}, 0x5, [0xffffffffffff8dee, 0x3, 0x9, 0x7, 0x73263ca5, 0x5fe3942a, 0x0, 0x7, 0x7, 0x9, 0xc0, 0x5, 0x3, 0x44, 0x1000, 0x4]}) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x240, r1, 0x525, 0x70bd28, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x4}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7a56}, {0x6}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x1000}, {0x6}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x7}, {0x6, 0x16, 0xfff}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6c67}, {0x6, 0x16, 0x29}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x7ff}, {0x6}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x8fb}, {0x6, 0x16, 0x7f}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}}]}, 0x240}}, 0x800) 19:47:29 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r2, 0xc0c89425, &(0x7f0000000580)={"50050dd4762cbf14702649f62d3864f1", 0x0, 0x0, {0xe7df, 0x8001}, {0x3, 0x1000}, 0x5, [0xffffffffffff8dee, 0x3, 0x9, 0x7, 0x73263ca5, 0x5fe3942a, 0x0, 0x7, 0x7, 0x9, 0xc0, 0x5, 0x3, 0x44, 0x1000, 0x4]}) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x240, r1, 0x525, 0x70bd28, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x4}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7a56}, {0x6}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x1000}, {0x6}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x7}, {0x6, 0x16, 0xfff}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6c67}, {0x6, 0x16, 0x29}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x7ff}, {0x6}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x8fb}, {0x6, 0x16, 0x7f}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}}]}, 0x240}}, 0x800) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r2, 0xc0c89425, &(0x7f0000000580)={"50050dd4762cbf14702649f62d3864f1", 0x0, 0x0, {0xe7df, 0x8001}, {0x3, 0x1000}, 0x5, [0xffffffffffff8dee, 0x3, 0x9, 0x7, 0x73263ca5, 0x5fe3942a, 0x0, 0x7, 0x7, 0x9, 0xc0, 0x5, 0x3, 0x44, 0x1000, 0x4]}) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x240, r1, 0x525, 0x70bd28, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x4}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7a56}, {0x6}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x1000}, {0x6}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x7}, {0x6, 0x16, 0xfff}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6c67}, {0x6, 0x16, 0x29}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x7ff}, {0x6}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x8fb}, {0x6, 0x16, 0x7f}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}}]}, 0x240}}, 0x800) (async) 19:47:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x513, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+#^]'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000000) (async) setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x2, 0x4], 0x2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) [ 3388.159608] nbd: must specify at least one socket [ 3388.170385] nbd: must specify a device to reconfigure [ 3388.177546] nbd: must specify a device to reconfigure 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x10, 0x3, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x2}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8acb09ea42dcc948}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004005}, 0x20000000) socket$inet_udp(0x2, 0x2, 0x0) 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r2, 0xc0c89425, &(0x7f0000000580)={"50050dd4762cbf14702649f62d3864f1", 0x0, 0x0, {0xe7df, 0x8001}, {0x3, 0x1000}, 0x5, [0xffffffffffff8dee, 0x3, 0x9, 0x7, 0x73263ca5, 0x5fe3942a, 0x0, 0x7, 0x7, 0x9, 0xc0, 0x5, 0x3, 0x44, 0x1000, 0x4]}) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x240, r1, 0x525, 0x70bd28, 0x25dfdbfe, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x4}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x7a56}, {0x6}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x1000}, {0x6}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x7}, {0x6, 0x16, 0xfff}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x8001}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x6c67}, {0x6, 0x16, 0x29}, {0x5}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x7ff}, {0x6}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x8fb}, {0x6, 0x16, 0x7f}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0xffffffff}, {0x6, 0x16, 0x2}, {0x5, 0x12, 0x1}}]}, 0x240}}, 0x800) 19:47:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x9, r1, 0x1}, 0x14}}, 0x0) [ 3388.263159] nbd: must specify a device to reconfigure [ 3388.277613] nbd: must specify at least one socket 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x10, 0x3, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x2}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8acb09ea42dcc948}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004005}, 0x20000000) socket$inet_udp(0x2, 0x2, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x10, 0x3, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x2}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8acb09ea42dcc948}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004005}, 0x20000000) (async) socket$inet_udp(0x2, 0x2, 0x0) (async) 19:47:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) 19:47:29 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x9, r1, 0x1}, 0x14}}, 0x0) [ 3388.362907] nbd: must specify a device to reconfigure 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x10, 0x3, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x2}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8acb09ea42dcc948}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004005}, 0x20000000) socket$inet_udp(0x2, 0x2, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x10, 0x3, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x2}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8acb09ea42dcc948}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004005}, 0x20000000) (async) socket$inet_udp(0x2, 0x2, 0x0) (async) 19:47:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 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$nbd(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:29 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x44, r2, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x690b}}]}, 0x44}, 0x1, 0x0, 0x0, 0x48091}, 0x20000000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000380f000000040001007063690011000200303030313037300000000008000b0000000e000600110000000000b501e5f94fe6d6197bdb915cc90a0a8be260001c098ba0ab4dced820b6dcc5a02505e757d30658c23ccb911a53555725ea4ff3ad3257"], 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) 19:47:29 executing program 5: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder1\x00', 0x0, 0x0) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NFNL_MSG_COMPAT_GET(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, 0x0, 0xb, 0x101, 0x0, 0x0, {0x0, 0x0, 0x2}, [@NFTA_COMPAT_TYPE={0x8}, @NFTA_COMPAT_TYPE={0x8, 0x3, 0x1, 0x0, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x200000c1}, 0x40d1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004041) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r8, 0xc0306201, &(0x7f0000000500)={0xb4, 0x0, &(0x7f0000000400)=[@increfs, @transaction={0x40406300, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000280)={@fda={0x66646185, 0x3, 0x0, 0x4}, @fd, @ptr={0x70742a85, 0x0, &(0x7f0000000240)=""/40, 0x28, 0x1, 0x1c}}, &(0x7f0000000300)={0x0, 0x20, 0x38}}}, @exit_looper, @request_death, @request_death={0x400c630e, 0x3}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000340)={@fda={0x66646185, 0x8, 0x0, 0x38}, @fda={0x66646185, 0x9, 0x1, 0x2d}, @fda={0x66646185, 0xa, 0x1, 0x35}}, &(0x7f00000003c0)={0x0, 0x20, 0x40}}}], 0x5, 0x0, &(0x7f00000004c0)="a5c7204ee5"}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) [ 3388.439004] nbd: must specify a device to reconfigure 19:47:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r1, @ANYRES16=r1, @ANYBLOB="0000000000000000000000000000b552678e2fe809019d7ffa6cc52280ff8d374ea3dc01d161e88908dc2ea57944dbbd9931c3970e67ada32fa7da77630d1e885fa45b073ea1b1167be5504be5e5ede2feea59581b86049a3bcf0653b56ec75922de102534a4051742c59a4a44260e06df804f3a138af23ab40d341e3e0b5b572b54c39b8454eaaf9bdc4aab4c6066f8605716d26cb320fec5788a1e434926e4cbdaf72f77c91927e381a750f3d10c3602e76a74"], 0x14}}, 0x0) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x9, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x9, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x44, r2, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x690b}}]}, 0x44}, 0x1, 0x0, 0x0, 0x48091}, 0x20000000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000380f000000040001007063690011000200303030313037300000000008000b0000000e000600110000000000b501e5f94fe6d6197bdb915cc90a0a8be260001c098ba0ab4dced820b6dcc5a02505e757d30658c23ccb911a53555725ea4ff3ad3257"], 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x44, r2, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x690b}}]}, 0x44}, 0x1, 0x0, 0x0, 0x48091}, 0x20000000) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000380f000000040001007063690011000200303030313037300000000008000b0000000e000600110000000000b501e5f94fe6d6197bdb915cc90a0a8be260001c098ba0ab4dced820b6dcc5a02505e757d30658c23ccb911a53555725ea4ff3ad3257"], 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x3, @mcast2, 0xef, 0x3}, 0x20) 19:47:30 executing program 5: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder1\x00', 0x0, 0x0) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NFNL_MSG_COMPAT_GET(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, 0x0, 0xb, 0x101, 0x0, 0x0, {0x0, 0x0, 0x2}, [@NFTA_COMPAT_TYPE={0x8}, @NFTA_COMPAT_TYPE={0x8, 0x3, 0x1, 0x0, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x200000c1}, 0x40d1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004041) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r8, 0xc0306201, &(0x7f0000000500)={0xb4, 0x0, &(0x7f0000000400)=[@increfs, @transaction={0x40406300, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000280)={@fda={0x66646185, 0x3, 0x0, 0x4}, @fd, @ptr={0x70742a85, 0x0, &(0x7f0000000240)=""/40, 0x28, 0x1, 0x1c}}, &(0x7f0000000300)={0x0, 0x20, 0x38}}}, @exit_looper, @request_death, @request_death={0x400c630e, 0x3}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000340)={@fda={0x66646185, 0x8, 0x0, 0x38}, @fda={0x66646185, 0x9, 0x1, 0x2d}, @fda={0x66646185, 0xa, 0x1, 0x35}}, &(0x7f00000003c0)={0x0, 0x20, 0x40}}}], 0x5, 0x0, &(0x7f00000004c0)="a5c7204ee5"}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder1\x00', 0x0, 0x0) (async) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 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$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NFNL_MSG_COMPAT_GET(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, 0x0, 0xb, 0x101, 0x0, 0x0, {0x0, 0x0, 0x2}, [@NFTA_COMPAT_TYPE={0x8}, @NFTA_COMPAT_TYPE={0x8, 0x3, 0x1, 0x0, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x200000c1}, 0x40d1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004041) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) ioctl$BINDER_WRITE_READ(r8, 0xc0306201, &(0x7f0000000500)={0xb4, 0x0, &(0x7f0000000400)=[@increfs, @transaction={0x40406300, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000280)={@fda={0x66646185, 0x3, 0x0, 0x4}, @fd, @ptr={0x70742a85, 0x0, &(0x7f0000000240)=""/40, 0x28, 0x1, 0x1c}}, &(0x7f0000000300)={0x0, 0x20, 0x38}}}, @exit_looper, @request_death, @request_death={0x400c630e, 0x3}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000340)={@fda={0x66646185, 0x8, 0x0, 0x38}, @fda={0x66646185, 0x9, 0x1, 0x2d}, @fda={0x66646185, 0xa, 0x1, 0x35}}, &(0x7f00000003c0)={0x0, 0x20, 0x40}}}], 0x5, 0x0, &(0x7f00000004c0)="a5c7204ee5"}) (async) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) [ 3388.528908] nbd: must specify a device to reconfigure [ 3388.547392] nbd: must specify a device to reconfigure 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r1, @ANYRES16=r1, @ANYBLOB="0000000000000000000000000000b552678e2fe809019d7ffa6cc52280ff8d374ea3dc01d161e88908dc2ea57944dbbd9931c3970e67ada32fa7da77630d1e885fa45b073ea1b1167be5504be5e5ede2feea59581b86049a3bcf0653b56ec75922de102534a4051742c59a4a44260e06df804f3a138af23ab40d341e3e0b5b572b54c39b8454eaaf9bdc4aab4c6066f8605716d26cb320fec5788a1e434926e4cbdaf72f77c91927e381a750f3d10c3602e76a74"], 0x14}}, 0x0) 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x44, r2, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x690b}}]}, 0x44}, 0x1, 0x0, 0x0, 0x48091}, 0x20000000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000380f000000040001007063690011000200303030313037300000000008000b0000000e000600110000000000b501e5f94fe6d6197bdb915cc90a0a8be260001c098ba0ab4dced820b6dcc5a02505e757d30658c23ccb911a53555725ea4ff3ad3257"], 0x40}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x44, r2, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x690b}}]}, 0x44}, 0x1, 0x0, 0x0, 0x48091}, 0x20000000) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000380f000000040001007063690011000200303030313037300000000008000b0000000e000600110000000000b501e5f94fe6d6197bdb915cc90a0a8be260001c098ba0ab4dced820b6dcc5a02505e757d30658c23ccb911a53555725ea4ff3ad3257"], 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#.%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040844}, 0x20040000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x50) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x3, @mcast2, 0xef, 0x3}, 0x20) 19:47:30 executing program 5: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder1\x00', 0x0, 0x0) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NFNL_MSG_COMPAT_GET(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, 0x0, 0xb, 0x101, 0x0, 0x0, {0x0, 0x0, 0x2}, [@NFTA_COMPAT_TYPE={0x8}, @NFTA_COMPAT_TYPE={0x8, 0x3, 0x1, 0x0, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x200000c1}, 0x40d1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004041) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r8, 0xc0306201, &(0x7f0000000500)={0xb4, 0x0, &(0x7f0000000400)=[@increfs, @transaction={0x40406300, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000280)={@fda={0x66646185, 0x3, 0x0, 0x4}, @fd, @ptr={0x70742a85, 0x0, &(0x7f0000000240)=""/40, 0x28, 0x1, 0x1c}}, &(0x7f0000000300)={0x0, 0x20, 0x38}}}, @exit_looper, @request_death, @request_death={0x400c630e, 0x3}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000340)={@fda={0x66646185, 0x8, 0x0, 0x38}, @fda={0x66646185, 0x9, 0x1, 0x2d}, @fda={0x66646185, 0xa, 0x1, 0x35}}, &(0x7f00000003c0)={0x0, 0x20, 0x40}}}], 0x5, 0x0, &(0x7f00000004c0)="a5c7204ee5"}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder1\x00', 0x0, 0x0) (async) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NFNL_MSG_COMPAT_GET(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, 0x0, 0xb, 0x101, 0x0, 0x0, {0x0, 0x0, 0x2}, [@NFTA_COMPAT_TYPE={0x8}, @NFTA_COMPAT_TYPE={0x8, 0x3, 0x1, 0x0, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x200000c1}, 0x40d1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004041) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r8, 0x0, 0x0) (async) ioctl$BINDER_WRITE_READ(r8, 0xc0306201, &(0x7f0000000500)={0xb4, 0x0, &(0x7f0000000400)=[@increfs, @transaction={0x40406300, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000280)={@fda={0x66646185, 0x3, 0x0, 0x4}, @fd, @ptr={0x70742a85, 0x0, &(0x7f0000000240)=""/40, 0x28, 0x1, 0x1c}}, &(0x7f0000000300)={0x0, 0x20, 0x38}}}, @exit_looper, @request_death, @request_death={0x400c630e, 0x3}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x18, &(0x7f0000000340)={@fda={0x66646185, 0x8, 0x0, 0x38}, @fda={0x66646185, 0x9, 0x1, 0x2d}, @fda={0x66646185, 0xa, 0x1, 0x35}}, &(0x7f00000003c0)={0x0, 0x20, 0x40}}}], 0x5, 0x0, &(0x7f00000004c0)="a5c7204ee5"}) (async) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) [ 3388.626422] nbd: must specify a device to reconfigure [ 3388.645488] nbd: must specify a device to reconfigure 19:47:30 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r1, @ANYRES16=r1, @ANYBLOB="0000000000000000000000000000b552678e2fe809019d7ffa6cc52280ff8d374ea3dc01d161e88908dc2ea57944dbbd9931c3970e67ada32fa7da77630d1e885fa45b073ea1b1167be5504be5e5ede2feea59581b86049a3bcf0653b56ec75922de102534a4051742c59a4a44260e06df804f3a138af23ab40d341e3e0b5b572b54c39b8454eaaf9bdc4aab4c6066f8605716d26cb320fec5788a1e434926e4cbdaf72f77c91927e381a750f3d10c3602e76a74"], 0x14}}, 0x0) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x3, @mcast2, 0xef, 0x3}, 0x20) 19:47:30 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) 19:47:30 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r1, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'ip6_vti0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'syzkaller0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000000c0)={0x214, 0x0, 0x20, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x400}}}]}}, {{0x8, 0x1, r2}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x341}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8}, {0xf0, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0xfffffecb}, {0x5}, {0x8, 0x4, 0x3fed72a}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffffc}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x10004}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}]}}]}, 0x214}, 0x1, 0x0, 0x0, 0x4000c000}, 0x11) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) ioctl$TUNSETOFFLOAD(0xffffffffffffffff, 0x400454d0, 0x13) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_RATE_NODE_NAME={0x12, 0xa8, @random="bd1d58512f758bb3f2ca93e87e29"}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_PORT_INDEX={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000015}, 0x20000040) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#.%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040844}, 0x20040000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x50) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#.%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040844}, 0x20040000) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x50) (async) 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd2d}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x0) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2457}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x101}}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x22004000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='_\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) [ 3388.712450] nbd: must specify a device to reconfigure [ 3388.719000] nbd: must specify a device to reconfigure [ 3388.747721] nbd: must specify a device to reconfigure 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:30 executing program 2: openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x0, 0x0) r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000740)='./binderfs/custom1\x00', 0x2, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000007c0)={0x118, 0x0, &(0x7f0000000500)=[@enter_looper, @register_looper, @request_death={0x400c630e, 0x1}, @acquire_done, @decrefs={0x40046307, 0x5}, @transaction_sg={0x40486311, {0x3, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000200)={@ptr={0x70742a85, 0x0, &(0x7f00000000c0)=""/114, 0x72, 0xfffffffffffffffe, 0x15}, @fd={0x66642a85, 0x0, r0}, @flat=@weak_handle={0x77682a85, 0x0, 0x2}}, &(0x7f0000000280)={0x0, 0x28, 0x40}}, 0x1000}, @transaction_sg={0x40486311, {0x0, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x50, 0x18, &(0x7f0000000800)={@flat=@weak_handle={0x77682a85, 0x100}, @fda={0x66646185, 0x9, 0x2, 0xa}, @flat=@weak_binder={0x77622a85, 0x1100}}, &(0x7f0000000380)={0x0, 0x18, 0x38}}, 0x1000}, @reply_sg={0x40486312, {0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000440)={@ptr={0x70742a85, 0xfffffffe, &(0x7f00000003c0)=""/98, 0x62, 0x1, 0x3f}, @fd={0x66642a85, 0x0, r2}, @flat=@binder={0x73622a85, 0x1000, 0x2}}, &(0x7f00000004c0)={0x0, 0x28, 0x40}}, 0x1000}], 0xa7, 0x0, &(0x7f0000000640)="07e49878a74002bec3b049c78a25f4ba630520dc14f4e225736ac7df44f94e21f26e51b9f828fb978a4e7087e72cd5e5234f966cb28972b453a238392da579b8baca72c86f1f2f0c9412bf4a18cf9c34dfdd7019405d58f95768556fcbca6f56b822f9c2fa16960c089b71931ea30bcd1109cdb5d29e574c347d621da86532c76213adc51d64d741f73c5a7df46ab5ac70b796819e2c1bc1696ed31329cca2f0bd37eb328fcf7c"}) r3 = shmget(0x1, 0x4000, 0x400, &(0x7f0000ffc000/0x4000)=nil) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000e00)=ANY=[@ANYBLOB="41800000cda7e2b9bc000e17e88b707c0cf3a3837dc599c2b7f48ffbf2aa0182139e6c5e9bfab1cabc8de62f9f51625397cd73bacd1d029fe6add26e81237a921746b918b325ff7ec080616170a989a10944aae415a9acd990283be2881bfe6aae970e90a489eb68e8f23f155739019c9c69425993a097bba56ef1c5392fad3e3dd07e37ae14880013555d486a20e8d8c064ed8c1e8a5049641adf1d2eff89c914a7c90d0000000000000d971312116e0863dbc6e905ae36281699", @ANYRES16=0x0, @ANYBLOB="000027bd7000ffdbdf250b000000080001007063690011000200303030303a30303a31302e300000000008000b0000100000080001007063690011000200303030303a30303a31302e300000000008000b00fdffffff0e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00030000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00710000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00000000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b007f000000"], 0xfc}, 0x1, 0x0, 0x0, 0x48010}, 0x40) shmctl$IPC_RMID(r3, 0x0) shmctl$SHM_LOCK(r3, 0xb) shmctl$SHM_UNLOCK(r3, 0xc) r4 = shmget(0x0, 0x4000, 0x2, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_STAT(r4, 0x2, &(0x7f0000000040)=""/43) shmctl$SHM_UNLOCK(r3, 0xc) shmctl$IPC_STAT(r3, 0x2, &(0x7f0000000000)=""/14) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3388.804519] nbd: must specify a device to reconfigure 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2457}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x101}}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x22004000) (async, rerun: 64) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='_\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (rerun: 64) 19:47:30 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r1, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'ip6_vti0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'syzkaller0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000000c0)={0x214, 0x0, 0x20, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x400}}}]}}, {{0x8, 0x1, r2}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x341}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8}, {0xf0, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0xfffffecb}, {0x5}, {0x8, 0x4, 0x3fed72a}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffffc}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x10004}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}]}}]}, 0x214}, 0x1, 0x0, 0x0, 0x4000c000}, 0x11) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) ioctl$TUNSETOFFLOAD(0xffffffffffffffff, 0x400454d0, 0x13) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_RATE_NODE_NAME={0x12, 0xa8, @random="bd1d58512f758bb3f2ca93e87e29"}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_PORT_INDEX={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000015}, 0x20000040) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r1, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'ip6_vti0\x00'}) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'syzkaller0\x00'}) (async) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000000c0)={0x214, 0x0, 0x20, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x400}}}]}}, {{0x8, 0x1, r2}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x341}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8}, {0xf0, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0xfffffecb}, {0x5}, {0x8, 0x4, 0x3fed72a}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffffc}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x10004}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}]}}]}, 0x214}, 0x1, 0x0, 0x0, 0x4000c000}, 0x11) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) ioctl$TUNSETOFFLOAD(0xffffffffffffffff, 0x400454d0, 0x13) (async) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_RATE_NODE_NAME={0x12, 0xa8, @random="bd1d58512f758bb3f2ca93e87e29"}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_PORT_INDEX={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000015}, 0x20000040) (async) [ 3388.847281] nbd: must specify a device to reconfigure [ 3388.864002] nbd: must specify a device to reconfigure [ 3388.886758] nbd: must specify a device to reconfigure 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd2d}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x0) 19:47:30 executing program 2: openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x0, 0x0) r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) (async, rerun: 64) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000740)='./binderfs/custom1\x00', 0x2, 0x0) (rerun: 64) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000007c0)={0x118, 0x0, &(0x7f0000000500)=[@enter_looper, @register_looper, @request_death={0x400c630e, 0x1}, @acquire_done, @decrefs={0x40046307, 0x5}, @transaction_sg={0x40486311, {0x3, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000200)={@ptr={0x70742a85, 0x0, &(0x7f00000000c0)=""/114, 0x72, 0xfffffffffffffffe, 0x15}, @fd={0x66642a85, 0x0, r0}, @flat=@weak_handle={0x77682a85, 0x0, 0x2}}, &(0x7f0000000280)={0x0, 0x28, 0x40}}, 0x1000}, @transaction_sg={0x40486311, {0x0, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x50, 0x18, &(0x7f0000000800)={@flat=@weak_handle={0x77682a85, 0x100}, @fda={0x66646185, 0x9, 0x2, 0xa}, @flat=@weak_binder={0x77622a85, 0x1100}}, &(0x7f0000000380)={0x0, 0x18, 0x38}}, 0x1000}, @reply_sg={0x40486312, {0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000440)={@ptr={0x70742a85, 0xfffffffe, &(0x7f00000003c0)=""/98, 0x62, 0x1, 0x3f}, @fd={0x66642a85, 0x0, r2}, @flat=@binder={0x73622a85, 0x1000, 0x2}}, &(0x7f00000004c0)={0x0, 0x28, 0x40}}, 0x1000}], 0xa7, 0x0, &(0x7f0000000640)="07e49878a74002bec3b049c78a25f4ba630520dc14f4e225736ac7df44f94e21f26e51b9f828fb978a4e7087e72cd5e5234f966cb28972b453a238392da579b8baca72c86f1f2f0c9412bf4a18cf9c34dfdd7019405d58f95768556fcbca6f56b822f9c2fa16960c089b71931ea30bcd1109cdb5d29e574c347d621da86532c76213adc51d64d741f73c5a7df46ab5ac70b796819e2c1bc1696ed31329cca2f0bd37eb328fcf7c"}) (async, rerun: 32) r3 = shmget(0x1, 0x4000, 0x400, &(0x7f0000ffc000/0x4000)=nil) (rerun: 32) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000e00)=ANY=[@ANYBLOB="41800000cda7e2b9bc000e17e88b707c0cf3a3837dc599c2b7f48ffbf2aa0182139e6c5e9bfab1cabc8de62f9f51625397cd73bacd1d029fe6add26e81237a921746b918b325ff7ec080616170a989a10944aae415a9acd990283be2881bfe6aae970e90a489eb68e8f23f155739019c9c69425993a097bba56ef1c5392fad3e3dd07e37ae14880013555d486a20e8d8c064ed8c1e8a5049641adf1d2eff89c914a7c90d0000000000000d971312116e0863dbc6e905ae36281699", @ANYRES16=0x0, @ANYBLOB="000027bd7000ffdbdf250b000000080001007063690011000200303030303a30303a31302e300000000008000b0000100000080001007063690011000200303030303a30303a31302e300000000008000b00fdffffff0e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00030000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00710000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00000000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b007f000000"], 0xfc}, 0x1, 0x0, 0x0, 0x48010}, 0x40) shmctl$IPC_RMID(r3, 0x0) shmctl$SHM_LOCK(r3, 0xb) (async) shmctl$SHM_UNLOCK(r3, 0xc) (async, rerun: 64) r4 = shmget(0x0, 0x4000, 0x2, &(0x7f0000ffc000/0x4000)=nil) (rerun: 64) shmctl$IPC_STAT(r4, 0x2, &(0x7f0000000040)=""/43) (async) shmctl$SHM_UNLOCK(r3, 0xc) shmctl$IPC_STAT(r3, 0x2, &(0x7f0000000000)=""/14) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3388.896190] nbd: must specify a device to reconfigure 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#.%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040844}, 0x20040000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x50) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#.%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040844}, 0x20040000) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x50) (async) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2457}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x101}}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x22004000) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='_\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) 19:47:30 executing program 2: openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x0, 0x0) (async) r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) (async) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000740)='./binderfs/custom1\x00', 0x2, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000007c0)={0x118, 0x0, &(0x7f0000000500)=[@enter_looper, @register_looper, @request_death={0x400c630e, 0x1}, @acquire_done, @decrefs={0x40046307, 0x5}, @transaction_sg={0x40486311, {0x3, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000200)={@ptr={0x70742a85, 0x0, &(0x7f00000000c0)=""/114, 0x72, 0xfffffffffffffffe, 0x15}, @fd={0x66642a85, 0x0, r0}, @flat=@weak_handle={0x77682a85, 0x0, 0x2}}, &(0x7f0000000280)={0x0, 0x28, 0x40}}, 0x1000}, @transaction_sg={0x40486311, {0x0, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x50, 0x18, &(0x7f0000000800)={@flat=@weak_handle={0x77682a85, 0x100}, @fda={0x66646185, 0x9, 0x2, 0xa}, @flat=@weak_binder={0x77622a85, 0x1100}}, &(0x7f0000000380)={0x0, 0x18, 0x38}}, 0x1000}, @reply_sg={0x40486312, {0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000440)={@ptr={0x70742a85, 0xfffffffe, &(0x7f00000003c0)=""/98, 0x62, 0x1, 0x3f}, @fd={0x66642a85, 0x0, r2}, @flat=@binder={0x73622a85, 0x1000, 0x2}}, &(0x7f00000004c0)={0x0, 0x28, 0x40}}, 0x1000}], 0xa7, 0x0, &(0x7f0000000640)="07e49878a74002bec3b049c78a25f4ba630520dc14f4e225736ac7df44f94e21f26e51b9f828fb978a4e7087e72cd5e5234f966cb28972b453a238392da579b8baca72c86f1f2f0c9412bf4a18cf9c34dfdd7019405d58f95768556fcbca6f56b822f9c2fa16960c089b71931ea30bcd1109cdb5d29e574c347d621da86532c76213adc51d64d741f73c5a7df46ab5ac70b796819e2c1bc1696ed31329cca2f0bd37eb328fcf7c"}) (async) r3 = shmget(0x1, 0x4000, 0x400, &(0x7f0000ffc000/0x4000)=nil) sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000e00)=ANY=[@ANYBLOB="41800000cda7e2b9bc000e17e88b707c0cf3a3837dc599c2b7f48ffbf2aa0182139e6c5e9bfab1cabc8de62f9f51625397cd73bacd1d029fe6add26e81237a921746b918b325ff7ec080616170a989a10944aae415a9acd990283be2881bfe6aae970e90a489eb68e8f23f155739019c9c69425993a097bba56ef1c5392fad3e3dd07e37ae14880013555d486a20e8d8c064ed8c1e8a5049641adf1d2eff89c914a7c90d0000000000000d971312116e0863dbc6e905ae36281699", @ANYRES16=0x0, @ANYBLOB="000027bd7000ffdbdf250b000000080001007063690011000200303030303a30303a31302e300000000008000b0000100000080001007063690011000200303030303a30303a31302e300000000008000b00fdffffff0e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00030000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00710000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b00000000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000b007f000000"], 0xfc}, 0x1, 0x0, 0x0, 0x48010}, 0x40) (async) shmctl$IPC_RMID(r3, 0x0) shmctl$SHM_LOCK(r3, 0xb) shmctl$SHM_UNLOCK(r3, 0xc) r4 = shmget(0x0, 0x4000, 0x2, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_STAT(r4, 0x2, &(0x7f0000000040)=""/43) shmctl$SHM_UNLOCK(r3, 0xc) (async) shmctl$IPC_STAT(r3, 0x2, &(0x7f0000000000)=""/14) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14004000", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd2d}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1, 0x70bd2d}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:30 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r1, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r2}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'ip6_vti0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'syzkaller0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000000c0)={0x214, 0x0, 0x20, 0x70bd28, 0x25dfdbfd, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x400}}}]}}, {{0x8, 0x1, r2}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x341}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}]}}, {{0x8}, {0xf0, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0xfffffecb}, {0x5}, {0x8, 0x4, 0x3fed72a}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0xfffffffc}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x10004}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}]}}]}, 0x214}, 0x1, 0x0, 0x0, 0x4000c000}, 0x11) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) ioctl$TUNSETOFFLOAD(0xffffffffffffffff, 0x400454d0, 0x13) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@handle=@pci={{0x8}, {0x11}}, @DEVLINK_ATTR_RATE_NODE_NAME={0x12, 0xa8, @random="bd1d58512f758bb3f2ca93e87e29"}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @DEVLINK_ATTR_PORT_INDEX={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000015}, 0x20000040) [ 3388.983215] nbd: must specify a device to reconfigure [ 3388.995484] nbd: must specify a device to reconfigure [ 3389.005300] nbd: must specify a device to reconfigure 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000080) [ 3389.075005] nbd: must specify a device to reconfigure [ 3389.085071] nbd: must specify a device to reconfigure 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={r0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f0000000080)={'syztnl1\x00', 0x0, 0x7, 0x7, 0x401, 0xb4, {{0x1c, 0x4, 0x0, 0x9, 0x70, 0x67, 0x0, 0x7f, 0x4, 0x0, @empty, @broadcast, {[@ssrr={0x89, 0xf, 0x2d, [@multicast1, @remote, @rand_addr=0x64010102]}, @generic={0x7, 0x7, "f3662e8e75"}, @cipso={0x86, 0x12, 0x2, [{0x1, 0xc, "c4ca6a430f967f37f330"}]}, @rr={0x7, 0x7, 0xfd, [@loopback]}, @timestamp_addr={0x44, 0xc, 0xb4, 0x1, 0x8, [{@local, 0x9}]}, @noop, @ssrr={0x89, 0x1f, 0xb6, [@dev={0xac, 0x14, 0x14, 0x24}, @empty, @empty, @empty, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x37}, @dev={0xac, 0x14, 0x14, 0x11}]}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth0_macvtap\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'ip_vti0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x40, 0x7800, 0x7ff, 0xfffffffb, {{0x11, 0x4, 0x2, 0x17, 0x44, 0x65, 0x0, 0x38, 0x4, 0x0, @local, @private=0xa010102, {[@rr={0x7, 0x23, 0x74, [@local, @private=0xa010100, @empty, @multicast2, @multicast1, @rand_addr=0x64010100, @multicast2, @multicast1]}, @timestamp_addr={0x44, 0xc, 0x30, 0x1, 0x7, [{@multicast1, 0x5}]}]}}}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000b00), r0) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000d00)={&(0x7f0000000ac0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000cc0)={&(0x7f0000000b40)={0x154, r9, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_TX_MAX={0xc, 0xa7, 0x8001}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xca, 0xa9, @random="6aa915bdff6ef1bee04d80ab309bf22035f4bc219035b3279eaa1fc84a06493dfcf0f645b8d4f32542ab7407754d3aa034891700f45237ed60a1919d7c1c9650547475c740a51f51d6118d0a2fa98cfde0897967699de2c680479ca93e3a238072e317683d3954b0247cb43a0f40ec540b1c77cdf89cb285140c528a04b5fc2113a31e7fa8de40abf9a6c692e5b422890ffb5620e08abeafa4c8389923d0908023c965b1d831f2e52480354e4eb2c1f396fc4801ee7bb32f2950227185831a2749c05c8def6e"}]}, 0x154}, 0x1, 0x0, 0x0, 0x20040010}, 0x4001) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r11, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r12}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'syztnl1\x00', &(0x7f0000000380)={'erspan0\x00', 0x0, 0x8, 0x8000, 0x9, 0x101, {{0x14, 0x4, 0x0, 0x0, 0x50, 0x66, 0x0, 0x4, 0x29, 0x0, @rand_addr=0x64010100, @multicast1, {[@rr={0x7, 0x27, 0x7d, [@dev={0xac, 0x14, 0x14, 0x34}, @broadcast, @local, @empty, @multicast1, @dev={0xac, 0x14, 0x14, 0xe}, @dev={0xac, 0x14, 0x14, 0x22}, @broadcast, @empty]}, @generic={0x94, 0x12, "3a05a74c9d1c8950cd4773ba6c2fe344"}]}}}}}) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000440)={0x5f8, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r3}, {0x200, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0xffffff48}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8, 0x6, r4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x1, 0x6, 0x0, 0x6}, {0xf9e8, 0x1, 0x38, 0x3}, {0xfff9, 0x0, 0xd9, 0x25}, {0x1, 0x7f, 0x2}]}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xc4, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}, {{0x8, 0x1, r8}, {0x254, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x81e}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1ff}}, {0x8, 0x6, r12}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r13}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}]}, 0x5f8}, 0x1, 0x0, 0x0, 0x8000}, 0xa000) 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000000), 0x10) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000040)) [ 3389.119668] nbd: must specify a device to reconfigure 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}}, 0x40000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) socketpair(0x15, 0x6, 0x1, &(0x7f0000000140)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000080) [ 3389.148455] nbd: must specify a device to reconfigure 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={r0}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f0000000080)={'syztnl1\x00', 0x0, 0x7, 0x7, 0x401, 0xb4, {{0x1c, 0x4, 0x0, 0x9, 0x70, 0x67, 0x0, 0x7f, 0x4, 0x0, @empty, @broadcast, {[@ssrr={0x89, 0xf, 0x2d, [@multicast1, @remote, @rand_addr=0x64010102]}, @generic={0x7, 0x7, "f3662e8e75"}, @cipso={0x86, 0x12, 0x2, [{0x1, 0xc, "c4ca6a430f967f37f330"}]}, @rr={0x7, 0x7, 0xfd, [@loopback]}, @timestamp_addr={0x44, 0xc, 0xb4, 0x1, 0x8, [{@local, 0x9}]}, @noop, @ssrr={0x89, 0x1f, 0xb6, [@dev={0xac, 0x14, 0x14, 0x24}, @empty, @empty, @empty, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x37}, @dev={0xac, 0x14, 0x14, 0x11}]}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth0_macvtap\x00', 0x0}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'ip_vti0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x40, 0x7800, 0x7ff, 0xfffffffb, {{0x11, 0x4, 0x2, 0x17, 0x44, 0x65, 0x0, 0x38, 0x4, 0x0, @local, @private=0xa010102, {[@rr={0x7, 0x23, 0x74, [@local, @private=0xa010100, @empty, @multicast2, @multicast1, @rand_addr=0x64010100, @multicast2, @multicast1]}, @timestamp_addr={0x44, 0xc, 0x30, 0x1, 0x7, [{@multicast1, 0x5}]}]}}}}}) (async) r6 = socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) (async) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000b00), r0) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000d00)={&(0x7f0000000ac0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000cc0)={&(0x7f0000000b40)={0x154, r9, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_TX_MAX={0xc, 0xa7, 0x8001}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xca, 0xa9, @random="6aa915bdff6ef1bee04d80ab309bf22035f4bc219035b3279eaa1fc84a06493dfcf0f645b8d4f32542ab7407754d3aa034891700f45237ed60a1919d7c1c9650547475c740a51f51d6118d0a2fa98cfde0897967699de2c680479ca93e3a238072e317683d3954b0247cb43a0f40ec540b1c77cdf89cb285140c528a04b5fc2113a31e7fa8de40abf9a6c692e5b422890ffb5620e08abeafa4c8389923d0908023c965b1d831f2e52480354e4eb2c1f396fc4801ee7bb32f2950227185831a2749c05c8def6e"}]}, 0x154}, 0x1, 0x0, 0x0, 0x20040010}, 0x4001) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r11, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r12}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'syztnl1\x00', &(0x7f0000000380)={'erspan0\x00', 0x0, 0x8, 0x8000, 0x9, 0x101, {{0x14, 0x4, 0x0, 0x0, 0x50, 0x66, 0x0, 0x4, 0x29, 0x0, @rand_addr=0x64010100, @multicast1, {[@rr={0x7, 0x27, 0x7d, [@dev={0xac, 0x14, 0x14, 0x34}, @broadcast, @local, @empty, @multicast1, @dev={0xac, 0x14, 0x14, 0xe}, @dev={0xac, 0x14, 0x14, 0x22}, @broadcast, @empty]}, @generic={0x94, 0x12, "3a05a74c9d1c8950cd4773ba6c2fe344"}]}}}}}) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000440)={0x5f8, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r3}, {0x200, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0xffffff48}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8, 0x6, r4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x1, 0x6, 0x0, 0x6}, {0xf9e8, 0x1, 0x38, 0x3}, {0xfff9, 0x0, 0xd9, 0x25}, {0x1, 0x7f, 0x2}]}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xc4, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}, {{0x8, 0x1, r8}, {0x254, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x81e}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1ff}}, {0x8, 0x6, r12}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r13}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}]}, 0x5f8}, 0x1, 0x0, 0x0, 0x8000}, 0xa000) 19:47:30 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3389.229468] nbd: must specify a device to reconfigure 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000000), 0x10) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000040)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000000), 0x10) (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000040)) (async) 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) socketpair(0x15, 0x6, 0x1, &(0x7f0000000140)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) socketpair(0x15, 0x6, 0x1, &(0x7f0000000140)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0) (async) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000080) 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3389.252800] nbd: must specify a device to reconfigure [ 3389.259047] nbd: must specify a device to reconfigure [ 3389.279125] nbd: must specify a device to reconfigure 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={r0}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f0000000080)={'syztnl1\x00', 0x0, 0x7, 0x7, 0x401, 0xb4, {{0x1c, 0x4, 0x0, 0x9, 0x70, 0x67, 0x0, 0x7f, 0x4, 0x0, @empty, @broadcast, {[@ssrr={0x89, 0xf, 0x2d, [@multicast1, @remote, @rand_addr=0x64010102]}, @generic={0x7, 0x7, "f3662e8e75"}, @cipso={0x86, 0x12, 0x2, [{0x1, 0xc, "c4ca6a430f967f37f330"}]}, @rr={0x7, 0x7, 0xfd, [@loopback]}, @timestamp_addr={0x44, 0xc, 0xb4, 0x1, 0x8, [{@local, 0x9}]}, @noop, @ssrr={0x89, 0x1f, 0xb6, [@dev={0xac, 0x14, 0x14, 0x24}, @empty, @empty, @empty, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x37}, @dev={0xac, 0x14, 0x14, 0x11}]}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth0_macvtap\x00', 0x0}) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'ip_vti0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x40, 0x7800, 0x7ff, 0xfffffffb, {{0x11, 0x4, 0x2, 0x17, 0x44, 0x65, 0x0, 0x38, 0x4, 0x0, @local, @private=0xa010102, {[@rr={0x7, 0x23, 0x74, [@local, @private=0xa010100, @empty, @multicast2, @multicast1, @rand_addr=0x64010100, @multicast2, @multicast1]}, @timestamp_addr={0x44, 0xc, 0x30, 0x1, 0x7, [{@multicast1, 0x5}]}]}}}}}) (async) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000b00), r0) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000d00)={&(0x7f0000000ac0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000cc0)={&(0x7f0000000b40)={0x154, r9, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_TX_MAX={0xc, 0xa7, 0x8001}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xca, 0xa9, @random="6aa915bdff6ef1bee04d80ab309bf22035f4bc219035b3279eaa1fc84a06493dfcf0f645b8d4f32542ab7407754d3aa034891700f45237ed60a1919d7c1c9650547475c740a51f51d6118d0a2fa98cfde0897967699de2c680479ca93e3a238072e317683d3954b0247cb43a0f40ec540b1c77cdf89cb285140c528a04b5fc2113a31e7fa8de40abf9a6c692e5b422890ffb5620e08abeafa4c8389923d0908023c965b1d831f2e52480354e4eb2c1f396fc4801ee7bb32f2950227185831a2749c05c8def6e"}]}, 0x154}, 0x1, 0x0, 0x0, 0x20040010}, 0x4001) (async) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r11, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r12}, {0x4}}]}, 0x20}}, 0x0) (async) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'syztnl1\x00', &(0x7f0000000380)={'erspan0\x00', 0x0, 0x8, 0x8000, 0x9, 0x101, {{0x14, 0x4, 0x0, 0x0, 0x50, 0x66, 0x0, 0x4, 0x29, 0x0, @rand_addr=0x64010100, @multicast1, {[@rr={0x7, 0x27, 0x7d, [@dev={0xac, 0x14, 0x14, 0x34}, @broadcast, @local, @empty, @multicast1, @dev={0xac, 0x14, 0x14, 0xe}, @dev={0xac, 0x14, 0x14, 0x22}, @broadcast, @empty]}, @generic={0x94, 0x12, "3a05a74c9d1c8950cd4773ba6c2fe344"}]}}}}}) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000440)={0x5f8, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r3}, {0x200, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0xffffff48}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8, 0x6, r4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x1, 0x6, 0x0, 0x6}, {0xf9e8, 0x1, 0x38, 0x3}, {0xfff9, 0x0, 0xd9, 0x25}, {0x1, 0x7f, 0x2}]}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xc4, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}, {{0x8, 0x1, r8}, {0x254, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x81e}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1ff}}, {0x8, 0x6, r12}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r13}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}]}, 0x5f8}, 0x1, 0x0, 0x0, 0x8000}, 0xa000) [ 3389.308855] nbd: must specify a device to reconfigure [ 3389.332863] nbd: must specify a device to reconfigure 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000000), 0x10) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000040)) 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x118}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x40) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) socketpair(0x15, 0x6, 0x1, &(0x7f0000000140)) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0) 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10a}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}}, 0x0) [ 3389.353817] nbd: must specify a device to reconfigure [ 3389.369589] nbd: must specify a device to reconfigure [ 3389.389364] nbd: must specify a device to reconfigure 19:47:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x118}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x40) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) [ 3389.442594] nbd: must specify a device to reconfigure 19:47:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10a}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10a}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}}, 0x0) (async) 19:47:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010003000100000000000f000200080001007063690011000200303030303a302001000080300000000008000b00000000000600110000000000"], 0x40}}, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000280)) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r5, @ANYRES16=r4, @ANYBLOB="02002dbd7000fedbdf250a0000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000300020000000e0001006e65077464657673696d0000000f0002006e65746465696d3000000880e76336f8b8250c7d1cd500030000000000080001007063690011000200303030303a30303a31302e300000000008000300010000000000"], 0x88}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r9, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r10, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r11}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000006c0)={&(0x7f0000000780)={0x2f0, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [{{0x8}, {0xb4, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x101}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x90, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r8}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0xffffffffffffff60}, {0x5}, {0x4}}, {0x8, 0x6, r11}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}]}, 0x2f0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = socket(0x2c, 0x1, 0xf1) getsockopt$inet6_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000040)=""/111, &(0x7f00000000c0)=0x6f) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) clock_getres(0x7, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x68}}, 0x24040100) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x118}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x40) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = socket(0x2c, 0x1, 0xf1) getsockopt$inet6_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000040)=""/111, &(0x7f00000000c0)=0x6f) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) clock_getres(0x7, &(0x7f0000000000)) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x68}}, 0x24040100) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) [ 3389.480980] nbd: must specify a device to reconfigure [ 3389.522978] nbd: must specify a device to reconfigure 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010003000100000000000f000200080001007063690011000200303030303a302001000080300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0) (async) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000280)) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r5, @ANYRES16=r4, @ANYBLOB="02002dbd7000fedbdf250a0000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000300020000000e0001006e65077464657673696d0000000f0002006e65746465696d3000000880e76336f8b8250c7d1cd500030000000000080001007063690011000200303030303a30303a31302e300000000008000300010000000000"], 0x88}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) (async) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r9, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r10, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r11}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000006c0)={&(0x7f0000000780)={0x2f0, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [{{0x8}, {0xb4, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x101}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x90, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r8}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0xffffffffffffff60}, {0x5}, {0x4}}, {0x8, 0x6, r11}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}]}, 0x2f0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000085}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10a}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}}, 0x0) [ 3389.561628] nbd: must specify a device to reconfigure 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = socket(0x2c, 0x1, 0xf1) getsockopt$inet6_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000040)=""/111, &(0x7f00000000c0)=0x6f) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) clock_getres(0x7, &(0x7f0000000000)) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x68}}, 0x24040100) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010003000100000000000f000200080001007063690011000200303030303a302001000080300000000008000b00000000000600110000000000"], 0x40}}, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000280)) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r5, @ANYRES16=r4, @ANYBLOB="02002dbd7000fedbdf250a0000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000300020000000e0001006e65077464657673696d0000000f0002006e65746465696d3000000880e76336f8b8250c7d1cd500030000000000080001007063690011000200303030303a30303a31302e300000000008000300010000000000"], 0x88}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r9, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r10, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r11}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000006c0)={&(0x7f0000000780)={0x2f0, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [{{0x8}, {0xb4, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x101}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x90, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r8}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0xffffffffffffff60}, {0x5}, {0x4}}, {0x8, 0x6, r11}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}]}, 0x2f0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010003000100000000000f000200080001007063690011000200303030303a302001000080300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000080), r0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) ioctl$BTRFS_IOC_WAIT_SYNC(r3, 0x40089416, &(0x7f0000000280)) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r5, @ANYRES16=r4, @ANYBLOB="02002dbd7000fedbdf250a0000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008000300020000000e0001006e65077464657673696d0000000f0002006e65746465696d3000000880e76336f8b8250c7d1cd500030000000000080001007063690011000200303030303a30303a31302e300000000008000300010000000000"], 0x88}, 0x1, 0x0, 0x0, 0x4008080}, 0x4000000) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r9, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r10, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r11}, {0x4}}]}, 0x20}}, 0x0) (async) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000006c0)={&(0x7f0000000780)={0x2f0, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [{{0x8}, {0xb4, 0x2, 0x0, 0x1, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x101}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8}}}]}}, {{0x8}, {0x90, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r8}, {0x180, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0xffffffffffffff60}, {0x5}, {0x4}}, {0x8, 0x6, r11}}}, {0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}]}, 0x2f0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000085}, 0x44000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$rxrpc(0x21, 0x2, 0xa) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$IPSET_CMD_SAVE(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x8, 0x6, 0x0, 0x0, 0x0, {0x0, 0x0, 0x2}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8041}, 0x24088010) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}}, 0x801) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000011}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14002300", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0xe}, 0x1, 0x0, 0x0, 0x20000085}, 0x0) [ 3389.632253] nbd: must specify a device to reconfigure 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) semget(0x2, 0x1, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) [ 3389.687505] nbd: must specify a device to reconfigure 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_DELETE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_IP_SADDR={0x8, 0x18, @dev={0xac, 0x14, 0x14, 0x23}}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x1}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x820}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$rxrpc(0x21, 0x2, 0xa) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$IPSET_CMD_SAVE(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x8, 0x6, 0x0, 0x0, 0x0, {0x0, 0x0, 0x2}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8041}, 0x24088010) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}}, 0x801) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000011}, 0x4000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14002300", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0xe}, 0x1, 0x0, 0x0, 0x20000085}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) semget(0x2, 0x1, 0x800) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000085}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000085}, 0x44000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 3389.752166] nbd: must specify a device to reconfigure [ 3389.785688] nbd: must specify a device to reconfigure [ 3389.794655] nbd: must specify a device to reconfigure 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_DELETE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_IP_SADDR={0x8, 0x18, @dev={0xac, 0x14, 0x14, 0x23}}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x1}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x820}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$rxrpc(0x21, 0x2, 0xa) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$IPSET_CMD_SAVE(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x8, 0x6, 0x0, 0x0, 0x0, {0x0, 0x0, 0x2}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8041}, 0x24088010) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x20}}, 0x801) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000011}, 0x4000000) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14002300", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0xe}, 0x1, 0x0, 0x0, 0x20000085}, 0x0) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000085}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_DELETE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_IP_SADDR={0x8, 0x18, @dev={0xac, 0x14, 0x14, 0x23}}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x1}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x820}, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) semget(0x2, 0x1, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3389.859952] nbd: must specify a device to reconfigure [ 3389.875713] nbd: must specify a device to reconfigure [ 3389.882329] nbd: must specify a device to reconfigure 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140070b4152cda3b064d5bfb0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000125bd7000fedbdf25020000000c000300fcffffffffffffff0c00080007000000000000002400078008000100", @ANYRES32, @ANYBLOB="19000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="0c0002006d000000000000000c0002000500000000000000"], 0x68}}, 0x4048015) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000006f391cc78da9d3f51be4cc5ad2786e05495a2363cb62f16824653da7636d49df3bb1ba1a50a8481cfc1a3d495c000013002eeb5d4ca2c2320ec81f9b0965504def12ed09fcb2813cfa6434c66a807881f9d53bf6baea67190600d3a2c0690a6f6ac0c8d0fb9f99fabbf807fdfda3754abd516962e0e93e296bdd610887786540d04756ec75e537875b3af2ed8cbf44183bb0bde8eef8a9", @ANYRES16, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3389.918134] nbd: must specify a device to reconfigure 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a3100000000000600110000000000"], 0x40}}, 0x0) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = socket(0x2c, 0x1, 0xf1) getsockopt$inet6_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000040)=""/111, &(0x7f00000000c0)=0x6f) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) clock_getres(0x7, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x68}}, 0x24040100) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140070b4152cda3b064d5bfb0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a3100000000000600110000000000"], 0x40}}, 0x0) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) socketpair(0x8, 0x3, 0x4, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair(0x15, 0x80000, 0x20, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xc8, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xc8}, 0x1, 0x0, 0x0, 0x800}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3389.977689] nbd: must specify a device to reconfigure 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000125bd7000fedbdf25020000000c000300fcffffffffffffff0c00080007000000000000002400078008000100", @ANYRES32, @ANYBLOB="19000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="0c0002006d000000000000000c0002000500000000000000"], 0x68}}, 0x4048015) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000006f391cc78da9d3f51be4cc5ad2786e05495a2363cb62f16824653da7636d49df3bb1ba1a50a8481cfc1a3d495c000013002eeb5d4ca2c2320ec81f9b0965504def12ed09fcb2813cfa6434c66a807881f9d53bf6baea67190600d3a2c0690a6f6ac0c8d0fb9f99fabbf807fdfda3754abd516962e0e93e296bdd610887786540d04756ec75e537875b3af2ed8cbf44183bb0bde8eef8a9", @ANYRES16, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000125bd7000fedbdf25020000000c000300fcffffffffffffff0c00080007000000000000002400078008000100", @ANYRES32, @ANYBLOB="19000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="0c0002006d000000000000000c0002000500000000000000"], 0x68}}, 0x4048015) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000006f391cc78da9d3f51be4cc5ad2786e05495a2363cb62f16824653da7636d49df3bb1ba1a50a8481cfc1a3d495c000013002eeb5d4ca2c2320ec81f9b0965504def12ed09fcb2813cfa6434c66a807881f9d53bf6baea67190600d3a2c0690a6f6ac0c8d0fb9f99fabbf807fdfda3754abd516962e0e93e296bdd610887786540d04756ec75e537875b3af2ed8cbf44183bb0bde8eef8a9", @ANYRES16, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140070b4152cda3b064d5bfb0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000f000000040001007063690011000200303030303a30303a3100000000000600110000000000"], 0x40}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3390.024510] nbd: must specify a device to reconfigure 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) socketpair(0x8, 0x3, 0x4, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair(0x15, 0x80000, 0x20, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xc8, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xc8}, 0x1, 0x0, 0x0, 0x800}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 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$nbd(&(0x7f0000000a40), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) socketpair(0x8, 0x3, 0x4, &(0x7f0000000040)) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)) (async) socketpair(0x15, 0x80000, 0x20, &(0x7f0000000100)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xc8, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xc8}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x0, 0x70bd25, 0x25dfdbfe, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}]}, 0x34}, 0x1, 0x0, 0x0, 0x200480c5}, 0x80010) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000125bd7000fedbdf25020000000c000300fcffffffffffffff0c00080007000000000000002400078008000100", @ANYRES32, @ANYBLOB="19000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="0c0002006d000000000000000c0002000500000000000000"], 0x68}}, 0x4048015) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000006f391cc78da9d3f51be4cc5ad2786e05495a2363cb62f16824653da7636d49df3bb1ba1a50a8481cfc1a3d495c000013002eeb5d4ca2c2320ec81f9b0965504def12ed09fcb2813cfa6434c66a807881f9d53bf6baea67190600d3a2c0690a6f6ac0c8d0fb9f99fabbf807fdfda3754abd516962e0e93e296bdd610887786540d04756ec75e537875b3af2ed8cbf44183bb0bde8eef8a9", @ANYRES16, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={r0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000140)={'erspan0\x00', &(0x7f0000000080)={'syztnl1\x00', 0x0, 0x7, 0x7, 0x401, 0xb4, {{0x1c, 0x4, 0x0, 0x9, 0x70, 0x67, 0x0, 0x7f, 0x4, 0x0, @empty, @broadcast, {[@ssrr={0x89, 0xf, 0x2d, [@multicast1, @remote, @rand_addr=0x64010102]}, @generic={0x7, 0x7, "f3662e8e75"}, @cipso={0x86, 0x12, 0x2, [{0x1, 0xc, "c4ca6a430f967f37f330"}]}, @rr={0x7, 0x7, 0xfd, [@loopback]}, @timestamp_addr={0x44, 0xc, 0xb4, 0x1, 0x8, [{@local, 0x9}]}, @noop, @ssrr={0x89, 0x1f, 0xb6, [@dev={0xac, 0x14, 0x14, 0x24}, @empty, @empty, @empty, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x37}, @dev={0xac, 0x14, 0x14, 0x11}]}]}}}}}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth0_macvtap\x00', 0x0}) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000340)={'ip_vti0\x00', &(0x7f0000000240)={'syztnl0\x00', 0x0, 0x40, 0x7800, 0x7ff, 0xfffffffb, {{0x11, 0x4, 0x2, 0x17, 0x44, 0x65, 0x0, 0x38, 0x4, 0x0, @local, @private=0xa010102, {[@rr={0x7, 0x23, 0x74, [@local, @private=0xa010100, @empty, @multicast2, @multicast1, @rand_addr=0x64010100, @multicast2, @multicast1]}, @timestamp_addr={0x44, 0xc, 0x30, 0x1, 0x7, [{@multicast1, 0x5}]}]}}}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r7, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r8}, {0x4}}]}, 0x20}}, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, 0x0, 0x0) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000b00), r0) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000d00)={&(0x7f0000000ac0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000cc0)={&(0x7f0000000b40)={0x154, r9, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_TX_MAX={0xc, 0xa7, 0x8001}, @DEVLINK_ATTR_RATE_PARENT_NODE_NAME={0xca, 0xa9, @random="6aa915bdff6ef1bee04d80ab309bf22035f4bc219035b3279eaa1fc84a06493dfcf0f645b8d4f32542ab7407754d3aa034891700f45237ed60a1919d7c1c9650547475c740a51f51d6118d0a2fa98cfde0897967699de2c680479ca93e3a238072e317683d3954b0247cb43a0f40ec540b1c77cdf89cb285140c528a04b5fc2113a31e7fa8de40abf9a6c692e5b422890ffb5620e08abeafa4c8389923d0908023c965b1d831f2e52480354e4eb2c1f396fc4801ee7bb32f2950227185831a2749c05c8def6e"}]}, 0x154}, 0x1, 0x0, 0x0, 0x20040010}, 0x4001) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r10, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r10, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r11, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r12}, {0x4}}]}, 0x20}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'syztnl1\x00', &(0x7f0000000380)={'erspan0\x00', 0x0, 0x8, 0x8000, 0x9, 0x101, {{0x14, 0x4, 0x0, 0x0, 0x50, 0x66, 0x0, 0x4, 0x29, 0x0, @rand_addr=0x64010100, @multicast1, {[@rr={0x7, 0x27, 0x7d, [@dev={0xac, 0x14, 0x14, 0x34}, @broadcast, @local, @empty, @multicast1, @dev={0xac, 0x14, 0x14, 0xe}, @dev={0xac, 0x14, 0x14, 0x22}, @broadcast, @empty]}, @generic={0x94, 0x12, "3a05a74c9d1c8950cd4773ba6c2fe344"}]}}}}}) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000440)={0x5f8, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r3}, {0x200, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0xffffff48}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8, 0x6, r4}}}, {0x54, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0x24, 0x4, [{0x1, 0x6, 0x0, 0x6}, {0xf9e8, 0x1, 0x38, 0x3}, {0xfff9, 0x0, 0xd9, 0x25}, {0x1, 0x7f, 0x2}]}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0xc4, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}, {{0x8, 0x1, r8}, {0x254, 0x2, 0x0, 0x1, [{0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x81e}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1ff}}, {0x8, 0x6, r12}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}]}}, {{0x8}, {0xac, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8, 0x4, r13}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}]}, 0x5f8}, 0x1, 0x0, 0x0, 0x8000}, 0xa000) [ 3390.094292] nbd: must specify a device to reconfigure 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x0, 0x70bd25, 0x25dfdbfe, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}]}, 0x34}, 0x1, 0x0, 0x0, 0x200480c5}, 0x80010) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async, rerun: 64) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (rerun: 64) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) socketpair(0x8, 0x3, 0x4, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) (async) socketpair(0x15, 0x80000, 0x20, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xc8, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xc8}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r1, 0x0, 0x70bd25, 0x25dfdbfe, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}]}, 0x34}, 0x1, 0x0, 0x0, 0x200480c5}, 0x80010) 19:47:31 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB="200000001ff70786d94280d20f9d7a7547d356af36668634ff53ae79bfa37495690e43133dac808f5ddf901b38a76db02e66284ca9f86ad453f2ed8147ad8e1a435e7f4da44289f7e7ec14152a522327dea389c828293cad5261d4a305674f9c9a8f57f1772439f36874ba8f7ce10d2176e58b608f4f45404d674f97765be91770186be313aa5047dc006b7120bbca04967cb02d157e74cae38881ed016352699f76c797d040a15f1cf0d466a15e48f74f386939a919c1f9ed75f40df3e2f879a704e613503142a161e703fb1b8680050e27dc232c84b18384fd79305d718890ffbacc69fd7bb2d75dde", @ANYRES16=r4, @ANYBLOB="040025bd7000ff000000050000000c0005000a00000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000005c0)={0x14, r1, 0x1}, 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x606102, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r3) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r9, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="28000200", @ANYRES16=0x0, @ANYBLOB="020026bd7000fcdbdf25020000000c00078008000100", @ANYRES32=r6, @ANYBLOB="0800010000000000"], 0x28}, 0x1, 0x0, 0x0, 0x5084}, 0x24000001) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r8, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8810}, 0x4000000) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000240), 0x161400, 0x0) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000280), 0x8001, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x420}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x44, r1, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x40010) ioctl$TUNGETSNDBUF(0xffffffffffffffff, 0x800454d3, &(0x7f0000000000)) ioctl$TUNSETSNDBUF(r10, 0x400454d4, &(0x7f00000003c0)=0x20) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x2240, 0x0) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) socketpair(0x10, 0x800, 0x3, &(0x7f0000000140)={0xffffffffffffffff}) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="400000f8", @ANYRES16=r1, @ANYBLOB="00022cbd7000ffffffff0f000000080001007063099d45000000000030303a30303a31302e300009000000ec0a00000000000602110000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000100), r0) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) 19:47:31 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x2240, 0x0) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) socketpair(0x10, 0x800, 0x3, &(0x7f0000000140)={0xffffffffffffffff}) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="400000f8", @ANYRES16=r1, @ANYBLOB="00022cbd7000ffffffff0f000000080001007063099d45000000000030303a30303a31302e300009000000ec0a00000000000602110000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000100), r0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x2240, 0x0) (async) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) (async) socketpair(0x10, 0x800, 0x3, &(0x7f0000000140)) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="400000f8", @ANYRES16=r1, @ANYBLOB="00022cbd7000ffffffff0f000000080001007063099d45000000000030303a30303a31302e300009000000ec0a00000000000602110000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000100), r0) (async) 19:47:31 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbd}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8010}, 0x20000031) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000016", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3390.230341] nbd: must specify a device to reconfigure [ 3390.239314] nbd: must specify a device to reconfigure [ 3390.248432] nbd: must specify a device to reconfigure 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB="200000001ff70786d94280d20f9d7a7547d356af36668634ff53ae79bfa37495690e43133dac808f5ddf901b38a76db02e66284ca9f86ad453f2ed8147ad8e1a435e7f4da44289f7e7ec14152a522327dea389c828293cad5261d4a305674f9c9a8f57f1772439f36874ba8f7ce10d2176e58b608f4f45404d674f97765be91770186be313aa5047dc006b7120bbca04967cb02d157e74cae38881ed016352699f76c797d040a15f1cf0d466a15e48f74f386939a919c1f9ed75f40df3e2f879a704e613503142a161e703fb1b8680050e27dc232c84b18384fd79305d718890ffbacc69fd7bb2d75dde", @ANYRES16=r4, @ANYBLOB="040025bd7000ff000000050000000c0005000a00000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000005c0)={0x14, r1, 0x1}, 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) (async, rerun: 32) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x606102, 0x0) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r3) (async, rerun: 32) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (rerun: 32) sendmsg$DEVLINK_CMD_PORT_GET(r9, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="28000200", @ANYRES16=0x0, @ANYBLOB="020026bd7000fcdbdf25020000000c00078008000100", @ANYRES32=r6, @ANYBLOB="0800010000000000"], 0x28}, 0x1, 0x0, 0x0, 0x5084}, 0x24000001) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r8, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8810}, 0x4000000) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000240), 0x161400, 0x0) (async) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000280), 0x8001, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x420}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x44, r1, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x40010) ioctl$TUNGETSNDBUF(0xffffffffffffffff, 0x800454d3, &(0x7f0000000000)) ioctl$TUNSETSNDBUF(r10, 0x400454d4, &(0x7f00000003c0)=0x20) 19:47:31 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x2240, 0x0) setsockopt$RXRPC_SECURITY_KEY(r2, 0x110, 0x1, &(0x7f0000000040)='pci\x00', 0x4) socketpair(0x10, 0x800, 0x3, &(0x7f0000000140)={0xffffffffffffffff}) sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="400000f8", @ANYRES16=r1, @ANYBLOB="00022cbd7000ffffffff0f000000080001007063099d45000000000030303a30303a31302e300009000000ec0a00000000000602110000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000100), r0) 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) 19:47:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbd}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8010}, 0x20000031) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000016", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB="200000001ff70786d94280d20f9d7a7547d356af36668634ff53ae79bfa37495690e43133dac808f5ddf901b38a76db02e66284ca9f86ad453f2ed8147ad8e1a435e7f4da44289f7e7ec14152a522327dea389c828293cad5261d4a305674f9c9a8f57f1772439f36874ba8f7ce10d2176e58b608f4f45404d674f97765be91770186be313aa5047dc006b7120bbca04967cb02d157e74cae38881ed016352699f76c797d040a15f1cf0d466a15e48f74f386939a919c1f9ed75f40df3e2f879a704e613503142a161e703fb1b8680050e27dc232c84b18384fd79305d718890ffbacc69fd7bb2d75dde", @ANYRES16=r4, @ANYBLOB="040025bd7000ff000000050000000c0005000a00000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f00000005c0)={0x14, r1, 0x1}, 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) (async) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x606102, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r3) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r9, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="28000200", @ANYRES16=0x0, @ANYBLOB="020026bd7000fcdbdf25020000000c00078008000100", @ANYRES32=r6, @ANYBLOB="0800010000000000"], 0x28}, 0x1, 0x0, 0x0, 0x5084}, 0x24000001) (async) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r8, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8810}, 0x4000000) (async) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000240), 0x161400, 0x0) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000280), 0x8001, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x420}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x44, r1, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x40010) ioctl$TUNGETSNDBUF(0xffffffffffffffff, 0x800454d3, &(0x7f0000000000)) (async) ioctl$TUNSETSNDBUF(r10, 0x400454d4, &(0x7f00000003c0)=0x20) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x1f0, r1, 0xca12b54a80a46dfd, 0x4, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x8001}, {0x6, 0x16, 0x9}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x2}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x3ff}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0xfffffffe}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0xfffffffc}, {0x6, 0x16, 0xd098}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x2}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x101}, {0x5}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x8}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x40}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x6ca}}]}, 0x1f0}}, 0x40000) 19:47:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) [ 3390.363646] nbd: must specify a device to reconfigure 19:47:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x400}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x0) 19:47:31 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x1f0, r1, 0xca12b54a80a46dfd, 0x4, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x8001}, {0x6, 0x16, 0x9}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x2}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x3ff}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0xfffffffe}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0xfffffffc}, {0x6, 0x16, 0xd098}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x2}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x101}, {0x5}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x8}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x40}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x6ca}}]}, 0x1f0}}, 0x40000) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x1f0, r1, 0xca12b54a80a46dfd, 0x4, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x8001}, {0x6, 0x16, 0x9}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x2}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x3ff}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0xfffffffe}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0xfffffffc}, {0x6, 0x16, 0xd098}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x2}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x101}, {0x5}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x8}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x40}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x6ca}}]}, 0x1f0}}, 0x40000) (async) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) [ 3390.492885] nbd: must specify a device to reconfigure 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r4) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x501, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000004) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000140)={0x0}) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_SYNC_FILE(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000180)={r9}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x214000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x84) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbd}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8010}, 0x20000031) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000016", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (rerun: 64) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async, rerun: 32) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x1f0, r1, 0xca12b54a80a46dfd, 0x4, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x8001}, {0x6, 0x16, 0x9}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x2}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0xfff}, {0x6, 0x16, 0x3ff}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0xfffffffe}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0xfffffffc}, {0x6, 0x16, 0xd098}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x2}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x101}, {0x5}, {0x6, 0x11, 0x8}, {0x8, 0xb, 0x8}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x1}, {0x8, 0xb, 0x4}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x40}, {0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x6}, {0x8, 0xb, 0x6ca}}]}, 0x1f0}}, 0x40000) (rerun: 32) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x501, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000004) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000140)={0x0}) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_SYNC_FILE(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000180)={r9}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x214000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x84) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x501, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000004) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000140)) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_SYNC_FILE(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000180)={r9}) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x214000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x84) (async) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3390.605357] nbd: must specify a device to reconfigure 19:47:32 executing program 1: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) sendmsg$NFNL_MSG_ACCT_NEW(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x80}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000081) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, r2, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x40}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xc81}, {0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x4}}]}, 0xa0}}, 0x48000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000180)=ANY=[@ANYBLOB="02f693def995688866d9efe614623600", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 1: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) (async) sendmsg$NFNL_MSG_ACCT_NEW(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x80}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000081) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, r2, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x40}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xc81}, {0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x4}}]}, 0xa0}}, 0x48000) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000180)=ANY=[@ANYBLOB="02f693def995688866d9efe614623600", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) [ 3390.709270] nbd: must specify a device to reconfigure 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 1: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) sendmsg$NFNL_MSG_ACCT_NEW(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="800000000007010100000000000000000a000000140007800800014000000018080001400000000708000540000000020c00034000000000000000073c000780080002400000010008000140000002af08000140000000000800014000000002080002400000000b08000240000000000800014000000007080005400000000043b06271523f54a75549ea1da195df412afe5bb4db1b4a3a5df9a9476013aa1928ea89e1727f6ff2882c35e7227d24a74b9560ec9ef563b4545544026b67c75d107e391cfc975fd086503bed05b1f7788df151e30a0f4419636ed98797b483f2e8f674e286336335853cb8348735b694eface0d81379bc3032a9f23f0442dacb542ccb0c36664ff63332c8e835adb8064c5133fae94257af7a90f92843c1ef15b7999b80bab0f199c494dcd965bd946209ff15a763e98e5690f89f6184a50addf17b45458928fd4906c39844980360ec273872ce9e70168fb60761438da8ae2fd9de2847ccf15bf1248d099afddca70ce61768b98015027e7a97b2"], 0x80}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000081) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, r2, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x8}, {0x6, 0x11, 0x40}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xc81}, {0x6}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x6}, {0x6, 0x11, 0x4}}]}, 0xa0}}, 0x48000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000180)=ANY=[@ANYBLOB="02f693def995688866d9efe614623600", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_timeval(r4, 0x1, 0x0, &(0x7f0000000340), &(0x7f0000000400)=0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r3, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @private1}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}}, 0x0) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x501, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000004) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000140)={0x0}) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_SYNC_FILE(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000180)={r9}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x214000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x84) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x501, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000004) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_SYNC_FILE(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000140)) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_SYNC_FILE(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000180)={r9}) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x214000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x84) (async) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x111}, 0x4000) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 3390.841980] nbd: must specify a device to reconfigure [ 3390.857218] nbd: couldn't find a device at index 1 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_timeval(r4, 0x1, 0x0, &(0x7f0000000340), &(0x7f0000000400)=0x10) (async) sendmsg$L2TP_CMD_SESSION_DELETE(r3, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @private1}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}}, 0x0) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3390.889177] nbd: must specify a device to reconfigure [ 3390.899403] nbd: couldn't find a device at index 1 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) (async) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000000), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_timeval(r4, 0x1, 0x0, &(0x7f0000000340), &(0x7f0000000400)=0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r3, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @private1}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}}, 0x0) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getpeername$llc(r3, &(0x7f0000000000)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x422a02, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r1, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0xc8050) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000002000000200000030000208b80b6cb20096e355f265c2437df6f245873ef322591bbc09ec9c0498fe31af71c2393b14aa291ba5c6aaf09f0ea80dbfc3bf024b8719130f37a18d3e3522c1f670c0634e4d9f90ce861e3d9e38b87605698bdc3fceea393faf6f68051b1efd76cd5745e1bd563257378288efddb74c67172d7c09f279279241db85d7d2885c7db71d0916fd20da10c773b7a6086deed2ea7e03aff59ac6d16619b632d2dd8947630010d3f4bbc9013b741e62549a86c9925e588b9ed43888f8f2103c94170136e048c46efe80dde6b7c6cfd33a50c8075eb83"], 0x14}}, 0x0) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wg0\x00', 0x0}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r5, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r6}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x288, 0x0, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [{{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}]}}, {{0x8, 0x1, r6}, {0x1a8, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x739b}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x0, 0xf7, 0xff, 0x4}]}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}]}}]}, 0x288}, 0x1, 0x0, 0x0, 0x4000000}, 0x20002800) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.031622] nbd: must specify a device to reconfigure [ 3391.046463] nbd: couldn't find a device at index 1 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getpeername$llc(r3, &(0x7f0000000000)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x422a02, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r1, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0xc8050) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000002000000200000030000208b80b6cb20096e355f265c2437df6f245873ef322591bbc09ec9c0498fe31af71c2393b14aa291ba5c6aaf09f0ea80dbfc3bf024b8719130f37a18d3e3522c1f670c0634e4d9f90ce861e3d9e38b87605698bdc3fceea393faf6f68051b1efd76cd5745e1bd563257378288efddb74c67172d7c09f279279241db85d7d2885c7db71d0916fd20da10c773b7a6086deed2ea7e03aff59ac6d16619b632d2dd8947630010d3f4bbc9013b741e62549a86c9925e588b9ed43888f8f2103c94170136e048c46efe80dde6b7c6cfd33a50c8075eb83"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$llc(0x1a, 0x1, 0x0) (async) getpeername$llc(r3, &(0x7f0000000000)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x422a02, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r1, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0xc8050) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r7) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000002000000200000030000208b80b6cb20096e355f265c2437df6f245873ef322591bbc09ec9c0498fe31af71c2393b14aa291ba5c6aaf09f0ea80dbfc3bf024b8719130f37a18d3e3522c1f670c0634e4d9f90ce861e3d9e38b87605698bdc3fceea393faf6f68051b1efd76cd5745e1bd563257378288efddb74c67172d7c09f279279241db85d7d2885c7db71d0916fd20da10c773b7a6086deed2ea7e03aff59ac6d16619b632d2dd8947630010d3f4bbc9013b741e62549a86c9925e588b9ed43888f8f2103c94170136e048c46efe80dde6b7c6cfd33a50c8075eb83"], 0x14}}, 0x0) (async) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async, rerun: 64) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (rerun: 64) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wg0\x00', 0x0}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r5, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r6}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x288, 0x0, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [{{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}]}}, {{0x8, 0x1, r6}, {0x1a8, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x739b}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x0, 0xf7, 0xff, 0x4}]}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}]}}]}, 0x288}, 0x1, 0x0, 0x0, 0x4000000}, 0x20002800) (async, rerun: 64) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (rerun: 64) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 3391.071858] nbd: couldn't find a device at index 1 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) [ 3391.138685] nbd: must specify a device to reconfigure 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getpeername$llc(r3, &(0x7f0000000000)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x422a02, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r1, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0xc8050) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000002000000200000030000208b80b6cb20096e355f265c2437df6f245873ef322591bbc09ec9c0498fe31af71c2393b14aa291ba5c6aaf09f0ea80dbfc3bf024b8719130f37a18d3e3522c1f670c0634e4d9f90ce861e3d9e38b87605698bdc3fceea393faf6f68051b1efd76cd5745e1bd563257378288efddb74c67172d7c09f279279241db85d7d2885c7db71d0916fd20da10c773b7a6086deed2ea7e03aff59ac6d16619b632d2dd8947630010d3f4bbc9013b741e62549a86c9925e588b9ed43888f8f2103c94170136e048c46efe80dde6b7c6cfd33a50c8075eb83"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$llc(0x1a, 0x1, 0x0) (async) getpeername$llc(r3, &(0x7f0000000000)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x422a02, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r6, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r1, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0xc8050) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r7) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r1, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000002000000200000030000208b80b6cb20096e355f265c2437df6f245873ef322591bbc09ec9c0498fe31af71c2393b14aa291ba5c6aaf09f0ea80dbfc3bf024b8719130f37a18d3e3522c1f670c0634e4d9f90ce861e3d9e38b87605698bdc3fceea393faf6f68051b1efd76cd5745e1bd563257378288efddb74c67172d7c09f279279241db85d7d2885c7db71d0916fd20da10c773b7a6086deed2ea7e03aff59ac6d16619b632d2dd8947630010d3f4bbc9013b741e62549a86c9925e588b9ed43888f8f2103c94170136e048c46efe80dde6b7c6cfd33a50c8075eb83"], 0x14}}, 0x0) (async) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wg0\x00', 0x0}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r5, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r6}, {0x4}}]}, 0x20}}, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x288, 0x0, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [{{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}]}}, {{0x8, 0x1, r6}, {0x1a8, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x739b}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x0, 0xf7, 0xff, 0x4}]}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}]}}]}, 0x288}, 0x1, 0x0, 0x0, 0x4000000}, 0x20002800) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wg0\x00'}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$team(&(0x7f0000000300), 0xffffffffffffffff) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f0000000000)) (async) sendmsg$TEAM_CMD_OPTIONS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x20, r5, 0x7125afbb2a4b18c5, 0x0, 0x0, {}, [{{0x8, 0x1, r6}, {0x4}}]}, 0x20}}, 0x0) (async) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x288, 0x0, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [{{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_port_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r3}}}]}}, {{0x8, 0x1, r6}, {0x1a8, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x739b}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @bpf_hash_func={{0x24}, {0x5}, {0xc, 0x4, [{0x0, 0xf7, 0xff, 0x4}]}}}, {0x44, 0x1, @name={{0x24}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}, {0x3c, 0x1, @name={{0x24}, {0x5}, {0xb, 0x4, 'random\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}]}}]}, 0x288}, 0x1, 0x0, 0x0, 0x4000000}, 0x20002800) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.199996] nbd: couldn't find a device at index 1 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 executing program 2: r0 = socket(0xa, 0x1, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x4004800) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000008ff0fffffff02000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x4070bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x48004}, 0x4048000) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.257944] nbd: must specify a device to reconfigure [ 3391.272927] nbd: couldn't find a device at index 1 [ 3391.295334] nbd: must specify at least one socket 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) write$tun(0xffffffffffffffff, &(0x7f0000000440)={@void, @void, @eth={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xd}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x39}, @val={@val={0x9100, 0x2, 0x0, 0x4}, {0x8100, 0x2, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x9, 0x4, 0x1, 0x28, 0xe7, 0x68, 0x0, 0xf2, 0x21, 0x0, @broadcast, @multicast1, {[@generic={0x86, 0x5, "25c5d4"}, @rr={0x7, 0xb, 0x29, [@multicast2, @remote]}]}}, {{0x4e20, 0x40, 0x4, 0x1, 0x0, 0x0, 0x0, 0x4, 0x1, "bae994", 0x6, "02ed05"}, "a7d3b4003fe87bdc3bc350346bb193513e63febc24ecc194e9425fff3824bacf189aa0fcab94b482f51f3b61f098532bb9d2ea6b8bb7de0f1120d6a7b0237a25fd09f6ad5ff8b2df28f138f21f56f0e64c1cee36df733d21a1c3db6a943d8174814ac0a89fc44c2ffdac4df06d4f4018c34b1b00986126031adbe101093af3c0fc168c1d8b70d9fccd4d409ba59a4dac514912b7a209ba4383d157deb96b8ecf3f64b677011c624caac3bfe59521b07eb5f768"}}}}}}, 0xfd) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x40}}, 0x40080) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000040), r0) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r2, @ANYBLOB="04042dbd7000ffdbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="8000028040000100240001006d6f64650000000000000000000000000000ccb35ba2f2767bebb0000000000000000000000000000005000300050000000f000400726f756e64726f627a6e00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000", @ANYRES32=0x0, @ANYBLOB], 0x9c}, 0x1, 0x0, 0x0, 0x4004151}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r3, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0xb0, r1, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x4f}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x81}, {0x8, 0xb, 0x1000}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x7}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x5}, {0x8, 0xb, 0x9f9}}]}, 0xb0}}, 0x1) 19:47:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.322393] nbd: couldn't find a device at index 1 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 2: r0 = socket(0xa, 0x1, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x4004800) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000008ff0fffffff02000000"], 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x4070bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x48004}, 0x4048000) 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) write$tun(0xffffffffffffffff, &(0x7f0000000440)={@void, @void, @eth={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xd}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x39}, @val={@val={0x9100, 0x2, 0x0, 0x4}, {0x8100, 0x2, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x9, 0x4, 0x1, 0x28, 0xe7, 0x68, 0x0, 0xf2, 0x21, 0x0, @broadcast, @multicast1, {[@generic={0x86, 0x5, "25c5d4"}, @rr={0x7, 0xb, 0x29, [@multicast2, @remote]}]}}, {{0x4e20, 0x40, 0x4, 0x1, 0x0, 0x0, 0x0, 0x4, 0x1, "bae994", 0x6, "02ed05"}, "a7d3b4003fe87bdc3bc350346bb193513e63febc24ecc194e9425fff3824bacf189aa0fcab94b482f51f3b61f098532bb9d2ea6b8bb7de0f1120d6a7b0237a25fd09f6ad5ff8b2df28f138f21f56f0e64c1cee36df733d21a1c3db6a943d8174814ac0a89fc44c2ffdac4df06d4f4018c34b1b00986126031adbe101093af3c0fc168c1d8b70d9fccd4d409ba59a4dac514912b7a209ba4383d157deb96b8ecf3f64b677011c624caac3bfe59521b07eb5f768"}}}}}}, 0xfd) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x40}}, 0x40080) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000040), r0) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r2, @ANYBLOB="04042dbd7000ffdbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="8000028040000100240001006d6f64650000000000000000000000000000ccb35ba2f2767bebb0000000000000000000000000000005000300050000000f000400726f756e64726f627a6e00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000", @ANYRES32=0x0, @ANYBLOB], 0x9c}, 0x1, 0x0, 0x0, 0x4004151}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r3, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0xb0, r1, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x4f}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x81}, {0x8, 0xb, 0x1000}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x7}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x5}, {0x8, 0xb, 0x9f9}}]}, 0xb0}}, 0x1) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) write$tun(0xffffffffffffffff, &(0x7f0000000440)={@void, @void, @eth={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xd}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x39}, @val={@val={0x9100, 0x2, 0x0, 0x4}, {0x8100, 0x2, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x9, 0x4, 0x1, 0x28, 0xe7, 0x68, 0x0, 0xf2, 0x21, 0x0, @broadcast, @multicast1, {[@generic={0x86, 0x5, "25c5d4"}, @rr={0x7, 0xb, 0x29, [@multicast2, @remote]}]}}, {{0x4e20, 0x40, 0x4, 0x1, 0x0, 0x0, 0x0, 0x4, 0x1, "bae994", 0x6, "02ed05"}, "a7d3b4003fe87bdc3bc350346bb193513e63febc24ecc194e9425fff3824bacf189aa0fcab94b482f51f3b61f098532bb9d2ea6b8bb7de0f1120d6a7b0237a25fd09f6ad5ff8b2df28f138f21f56f0e64c1cee36df733d21a1c3db6a943d8174814ac0a89fc44c2ffdac4df06d4f4018c34b1b00986126031adbe101093af3c0fc168c1d8b70d9fccd4d409ba59a4dac514912b7a209ba4383d157deb96b8ecf3f64b677011c624caac3bfe59521b07eb5f768"}}}}}}, 0xfd) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x40}}, 0x40080) (async) syz_genetlink_get_family_id$team(&(0x7f0000000040), r0) (async) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r2, @ANYBLOB="04042dbd7000ffdbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="8000028040000100240001006d6f64650000000000000000000000000000ccb35ba2f2767bebb0000000000000000000000000000005000300050000000f000400726f756e64726f627a6e00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000", @ANYRES32=0x0, @ANYBLOB], 0x9c}, 0x1, 0x0, 0x0, 0x4004151}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r3, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0xb0, r1, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x4f}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x81}, {0x8, 0xb, 0x1000}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x7}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x5}, {0x8, 0xb, 0x9f9}}]}, 0xb0}}, 0x1) (async) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.363275] nbd: must specify at least one socket 19:47:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:32 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:32 executing program 2: r0 = socket(0xa, 0x1, 0x0) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x4004800) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000008ff0fffffff02000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x4070bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x48004}, 0x4048000) [ 3391.405237] nbd: couldn't find a device at index 1 [ 3391.416282] nbd: must specify at least one socket 19:47:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) write$tun(0xffffffffffffffff, &(0x7f0000000440)={@void, @void, @eth={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xd}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x39}, @val={@val={0x9100, 0x2, 0x0, 0x4}, {0x8100, 0x2, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x9, 0x4, 0x1, 0x28, 0xe7, 0x68, 0x0, 0xf2, 0x21, 0x0, @broadcast, @multicast1, {[@generic={0x86, 0x5, "25c5d4"}, @rr={0x7, 0xb, 0x29, [@multicast2, @remote]}]}}, {{0x4e20, 0x40, 0x4, 0x1, 0x0, 0x0, 0x0, 0x4, 0x1, "bae994", 0x6, "02ed05"}, "a7d3b4003fe87bdc3bc350346bb193513e63febc24ecc194e9425fff3824bacf189aa0fcab94b482f51f3b61f098532bb9d2ea6b8bb7de0f1120d6a7b0237a25fd09f6ad5ff8b2df28f138f21f56f0e64c1cee36df733d21a1c3db6a943d8174814ac0a89fc44c2ffdac4df06d4f4018c34b1b00986126031adbe101093af3c0fc168c1d8b70d9fccd4d409ba59a4dac514912b7a209ba4383d157deb96b8ecf3f64b677011c624caac3bfe59521b07eb5f768"}}}}}}, 0xfd) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x40}}, 0x40080) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000040), r0) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r2, @ANYBLOB="04042dbd7000ffdbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="8000028040000100240001006d6f64650000000000000000000000000000ccb35ba2f2767bebb0000000000000000000000000000005000300050000000f000400726f756e64726f627a6e00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000", @ANYRES32=0x0, @ANYBLOB], 0x9c}, 0x1, 0x0, 0x0, 0x4004151}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r3, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0xb0, r1, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x4f}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x81}, {0x8, 0xb, 0x1000}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x7}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x5}, {0x8, 0xb, 0x9f9}}]}, 0xb0}}, 0x1) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) write$tun(0xffffffffffffffff, &(0x7f0000000440)={@void, @void, @eth={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xd}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x39}, @val={@val={0x9100, 0x2, 0x0, 0x4}, {0x8100, 0x2, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x9, 0x4, 0x1, 0x28, 0xe7, 0x68, 0x0, 0xf2, 0x21, 0x0, @broadcast, @multicast1, {[@generic={0x86, 0x5, "25c5d4"}, @rr={0x7, 0xb, 0x29, [@multicast2, @remote]}]}}, {{0x4e20, 0x40, 0x4, 0x1, 0x0, 0x0, 0x0, 0x4, 0x1, "bae994", 0x6, "02ed05"}, "a7d3b4003fe87bdc3bc350346bb193513e63febc24ecc194e9425fff3824bacf189aa0fcab94b482f51f3b61f098532bb9d2ea6b8bb7de0f1120d6a7b0237a25fd09f6ad5ff8b2df28f138f21f56f0e64c1cee36df733d21a1c3db6a943d8174814ac0a89fc44c2ffdac4df06d4f4018c34b1b00986126031adbe101093af3c0fc168c1d8b70d9fccd4d409ba59a4dac514912b7a209ba4383d157deb96b8ecf3f64b677011c624caac3bfe59521b07eb5f768"}}}}}}, 0xfd) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x1}, {0x6}}]}, 0x40}}, 0x40080) (async) syz_genetlink_get_family_id$team(&(0x7f0000000040), r0) (async) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r2, @ANYBLOB="04042dbd7000ffdbdf250100000008000100", @ANYRES32=0x0, @ANYBLOB="8000028040000100240001006d6f64650000000000000000000000000000ccb35ba2f2767bebb0000000000000000000000000000005000300050000000f000400726f756e64726f627a6e00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000005000300060000", @ANYRES32=0x0, @ANYBLOB], 0x9c}, 0x1, 0x0, 0x0, 0x4004151}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r3, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0xb0, r1, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}, {0x8, 0xb, 0x4f}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x81}, {0x8, 0xb, 0x1000}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x7}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x6}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x5}, {0x8, 0xb, 0x9f9}}]}, 0xb0}}, 0x1) (async) 19:47:32 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$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)=ANY=[], 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3391.520113] nbd: must specify a size in bytes for the device 19:47:33 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)=ANY=[], 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)=ANY=[], 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) (async) 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.579709] nbd: must specify a size in bytes for the device 19:47:33 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r1, 0x0, 0x0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)=ANY=[], 0x40}}, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 19:47:33 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) [ 3391.620984] nbd: must specify a device to reconfigure [ 3391.637420] nbd: must specify a size in bytes for the device 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3391.691100] nbd: must specify a device to reconfigure 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:33 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (rerun: 64) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3391.716802] nbd: must specify a device to reconfigure 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x68, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x68}}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x68, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x68}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x68, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x68}}, 0x0) (async) [ 3391.803768] nbd: must specify a device to reconfigure 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x68, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x68}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r3, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r4, 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000000)={0x68, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x68}}, 0x0) (async) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$l2tp(0x2, 0x2, 0x73) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffff2a5bbf5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0xc080) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x200, 0xffffffff, 0x25dfdbfd}, 0x14}}, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$l2tp(0x2, 0x2, 0x73) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffff2a5bbf5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0xc080) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x200, 0xffffffff, 0x25dfdbfd}, 0x14}}, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$team(&(0x7f0000000100), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x18c, r3, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0xaa55}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x6a}, {0x6, 0x16, 0x9}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x84}, {0x6, 0x16, 0x6508}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x7fff}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x81}, {0x6, 0x16, 0x3}, {0x5, 0x12, 0x1}}]}, 0x18c}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$l2tp(0x2, 0x2, 0x73) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffff2a5bbf5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x881}, 0xc080) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x200, 0xffffffff, 0x25dfdbfd}, 0x14}}, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$team(&(0x7f0000000100), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x18c, r3, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0xaa55}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x6a}, {0x6, 0x16, 0x9}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x84}, {0x6, 0x16, 0x6508}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x7fff}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x81}, {0x6, 0x16, 0x3}, {0x5, 0x12, 0x1}}]}, 0x18c}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, 0x0}, 0x0) 19:47:33 executing program 2: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$team(&(0x7f0000000100), r0) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x18c, r3, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0xaa55}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x6a}, {0x6, 0x16, 0x9}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x84}, {0x6, 0x16, 0x6508}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x7fff}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x81}, {0x6, 0x16, 0x3}, {0x5, 0x12, 0x1}}]}, 0x18c}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$team(&(0x7f0000000100), r0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) (async) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x18c, r3, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x3}, {0x6, 0x16, 0xaa55}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x9}, {0x6, 0x16, 0x7}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0xb, 0x6a}, {0x6, 0x16, 0x9}, {0x5}}, {{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x84}, {0x6, 0x16, 0x6508}, {0x5, 0x12, 0x1}}, {{@pci={{0x8}, {0x11}}, {0x8}}, {0x8, 0xb, 0x5}, {0x6, 0x16, 0x7fff}, {0x5, 0x12, 0x1}}, {{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0xb, 0x81}, {0x6, 0x16, 0x3}, {0x5, 0x12, 0x1}}]}, 0x18c}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) (async) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, 0x0}, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x24084840) 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 2: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) (async) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 3392.244776] nbd: must specify a device to reconfigure 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) setsockopt$inet6_dccp_int(r1, 0x21, 0x6, &(0x7f0000000040)=0x2, 0x4) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x24084840) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, 0x0}, 0x0) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r0, 0x0, 0x0) (async) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) setsockopt$inet6_dccp_int(r1, 0x21, 0x6, &(0x7f0000000040)=0x2, 0x4) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0}}, 0x0) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, 0x0}, 0x24084840) 19:47:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) setsockopt$inet6_dccp_int(r1, 0x21, 0x6, &(0x7f0000000040)=0x2, 0x4) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0}}, 0x0) 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r5, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xdf}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x82}]}, 0x68}, 0x1, 0x0, 0x0, 0x4810}, 0x48040) [ 3392.378148] nbd: must specify a device to reconfigure 19:47:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, 0x0}, 0x24084840) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x2, 0x6, 0x3, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, 0x0}, 0x24084840) [ 3392.511781] nbd: must specify a device to reconfigure 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r5, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xdf}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x82}]}, 0x68}, 0x1, 0x0, 0x0, 0x4810}, 0x48040) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x24084840) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x2, 0x6, 0x3, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f00000008c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r5, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xdf}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x82}]}, 0x68}, 0x1, 0x0, 0x0, 0x4810}, 0x48040) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 3392.589585] nbd: must specify at least one socket [ 3392.597732] nbd: must specify a device to reconfigure 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x24084840) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x2, 0x6, 0x3, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), r1) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [{@pci={{0x4}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) [ 3392.669677] nbd: must specify at least one socket 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x24084840) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:34 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) [ 3392.749699] nbd: must specify at least one socket 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4008040}, 0x8000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0xfffffffe, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:34 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4008040}, 0x8000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0xfffffffe, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4008040}, 0x8000) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0xfffffffe, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) [ 3392.860501] nbd: must specify a device to reconfigure 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:34 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4008040}, 0x8000) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0xfffffffe, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000200), 0x20400, 0x0) (async) sendmsg$DEVLINK_CMD_PORT_GET(r2, 0x0, 0x0) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4008040}, 0x8000) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r1, 0x1, 0xfffffffe, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}, {0x6}}]}, 0x40}}, 0x0) (async) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x40080}, 0x0) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x80, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[&'}]}, 0x80}}, 0x24084840) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="02000000aea17e1d0db7d8b85f5b27b5431b7c7e892398b692046824b8347ef24bd3f1bd4fbadd1e99d2fb20d773413aa3dd8770a2917345d8aa8d29affc34c1607bdb78b7deaf936a8c568686daa16dd564ac0475da842625ac13b54c752ce858e9a4305c940df53918edab1f00a45702fbc9a980992a8839b19b853a6924902cb8c080e8748cf8d3f6ebd66da172dc360600"/157, @ANYRES16=r2, @ANYBLOB="010000000000000000000f000000080001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) sendmsg$DEVLINK_CMD_RATE_GET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r2, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@handle=@pci={{0x8}, {0x11}}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x40010) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r3, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4}, {0x6}}]}, 0x40}}, 0x0) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x40080}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x40080}, 0x0) (async) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x78, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}}, 0x24084840) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="02000000aea17e1d0db7d8b85f5b27b5431b7c7e892398b692046824b8347ef24bd3f1bd4fbadd1e99d2fb20d773413aa3dd8770a2917345d8aa8d29affc34c1607bdb78b7deaf936a8c568686daa16dd564ac0475da842625ac13b54c752ce858e9a4305c940df53918edab1f00a45702fbc9a980992a8839b19b853a6924902cb8c080e8748cf8d3f6ebd66da172dc360600"/157, @ANYRES16=r2, @ANYBLOB="010000000000000000000f000000080001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_RATE_GET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r2, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@handle=@pci={{0x8}, {0x11}}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x40010) (async) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r3, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4}, {0x6}}]}, 0x40}}, 0x0) 19:47:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x40080}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x40080}, 0x0) (async) 19:47:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="02000000aea17e1d0db7d8b85f5b27b5431b7c7e892398b692046824b8347ef24bd3f1bd4fbadd1e99d2fb20d773413aa3dd8770a2917345d8aa8d29affc34c1607bdb78b7deaf936a8c568686daa16dd564ac0475da842625ac13b54c752ce858e9a4305c940df53918edab1f00a45702fbc9a980992a8839b19b853a6924902cb8c080e8748cf8d3f6ebd66da172dc360600"/157, @ANYRES16=r2, @ANYBLOB="010000000000000000000f000000080001007063690011000200303030303a30303a31302e300000000008000b00000000000600110000000000"], 0x40}}, 0x0) (async) sendmsg$DEVLINK_CMD_RATE_GET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r2, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@handle=@pci={{0x8}, {0x11}}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_NODE_NAME={0xe}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x40010) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x40, r3, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4}, {0x6}}]}, 0x40}}, 0x0) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}}, 0x24084840) [ 3393.312425] nbd: couldn't find a device at index 1 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:34 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x78, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}}, 0x24084840) 19:47:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}}, 0x24084840) 19:47:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3393.429116] nbd: must specify a device to reconfigure [ 3393.437310] nbd: must specify a device to reconfigure [ 3393.461897] nbd: couldn't find a device at index 4 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x70}}, 0x24084840) [ 3393.535987] nbd: must specify a device to reconfigure 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x80) 19:47:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x24084840) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3393.620781] nbd: must specify a device to reconfigure 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_INFO(0x0, 0xe, &(0x7f0000000000)=""/93) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}}, 0x24084840) [ 3393.671853] nbd: couldn't find a device at index 1 [ 3393.682151] nbd: must specify a device to reconfigure 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) shmctl$SHM_INFO(0x0, 0xe, &(0x7f0000000000)=""/93) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}}, 0x24084840) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x80) [ 3393.772470] nbd: must specify a device to reconfigure [ 3393.779133] nbd: couldn't find a device at index 1 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x24084840) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_INFO(0x0, 0xe, &(0x7f0000000000)=""/93) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3393.854128] nbd: couldn't find a device at index 1 [ 3393.873172] nbd: must specify a device to reconfigure 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x24084840) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BINDER_SET_CONTEXT_MGR(0xffffffffffffffff, 0x40046207, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3393.962522] nbd: couldn't find a device at index 1 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x24084840) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$BINDER_SET_CONTEXT_MGR(0xffffffffffffffff, 0x40046207, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 3394.063424] nbd: couldn't find a device at index 1 [ 3394.078598] nbd: must specify a device to reconfigure 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x24084840) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BINDER_SET_CONTEXT_MGR(0xffffffffffffffff, 0x40046207, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) [ 3394.337433] nbd: couldn't find a device at index 1 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x24084840) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:35 executing program 4: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3394.443917] nbd: couldn't find a device at index 1 19:47:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x24084840) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x20}}, 0x80) 19:47:36 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x24084840) [ 3394.534193] nbd: couldn't find a device at index 1 19:47:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 4: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x20}}, 0x80) [ 3394.623583] nbd: must specify at least one socket 19:47:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x24084840) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x20}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x24084840) [ 3394.785296] nbd: couldn't find a device at index 1 19:47:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x80) [ 3394.888184] nbd: couldn't find a device at index 1 19:47:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x80) [ 3394.937711] nbd: must specify a size in bytes for the device 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3395.038199] nbd: couldn't find a device at index 1 [ 3395.057789] nbd: must specify a size in bytes for the device 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:36 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x80) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3396.220132] nbd: must specify at least one socket 19:47:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3396.286157] nbd: must specify at least one socket 19:47:37 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:37 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3396.390466] nbd: must specify at least one socket 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\!@*)(*\''}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x24084840) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) [ 3396.606847] nbd: couldn't find a device at index 1 19:47:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3396.678005] nbd: must specify at least one socket 19:47:38 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3396.801220] nbd: must specify at least one socket 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3396.908053] nbd: must specify at least one socket [ 3396.921426] nbd: must specify at least one socket 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.024493] nbd: must specify at least one socket 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.128579] nbd: must specify at least one socket 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3397.232983] nbd: must specify a size in bytes for the device 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 19:47:38 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.307351] nbd: must specify a size in bytes for the device 19:47:38 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.362512] nbd: must specify a size in bytes for the device [ 3397.390956] nbd: must specify a size in bytes for the device 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 19:47:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) 19:47:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 19:47:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 19:47:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) 19:47:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 3397.437124] nbd: must specify a size in bytes for the device 19:47:39 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.528674] nbd: must specify a size in bytes for the device [ 3397.628115] nbd: must specify at least one socket 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) 19:47:39 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3397.745687] nbd: must specify at least one socket 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) 19:47:39 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3398.086378] nbd: must specify at least one socket 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:39 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) [ 3398.583616] nbd: must specify at least one socket 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3398.679038] nbd: must specify at least one socket 19:47:40 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3398.794462] nbd: must specify a size in bytes for the device [ 3398.830585] nbd: must specify at least one socket 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 3398.888015] nbd: must specify a size in bytes for the device 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3398.987793] nbd: must specify a size in bytes for the device [ 3399.002945] nbd: must specify at least one socket [ 3399.012706] nbd: must specify a size in bytes for the device 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3399.194699] nbd: must specify at least one socket 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3399.217939] nbd: must specify a size in bytes for the device 19:47:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3399.292106] nbd: must specify at least one socket 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3399.439382] nbd: must specify at least one socket 19:47:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) shmctl$SHM_INFO(0x0, 0xe, &(0x7f0000000000)=""/93) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000000b80)={0x14, r1, 0x1}, 0x14}}, 0x0) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3399.676183] nbd: must specify a device to reconfigure 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:41 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) [ 3399.994914] nbd: must specify at least one socket 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x20}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3400.139180] nbd: must specify at least one socket 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x14, r2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x14, r2, 0x101}, 0x14}}, 0x80) [ 3400.282124] nbd: must specify at least one socket 19:47:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3400.360016] nbd: must specify at least one socket 19:47:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x14, r2, 0x101}, 0x14}}, 0x0) 19:47:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:41 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3400.439973] nbd: must specify a size in bytes for the device [ 3400.477133] nbd: must specify at least one socket 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x14, r2, 0x101}, 0x14}}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) [ 3400.546815] nbd: must specify a size in bytes for the device 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x0) 19:47:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x80) [ 3400.695763] nbd: must specify at least one socket 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3400.893464] nbd: must specify a size in bytes for the device 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:42 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, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 19:47:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000a40), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}}, 0x80) 19:47:42 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$nbd(&(0x7f0000000a40), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x9a50d9087b234e8}, 0x80) [ 3401.326919] ================================================================== [ 3401.334480] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0 [ 3401.341325] Read of size 4 at addr ffff88809221c418 by task syz-executor.0/7088 [ 3401.348746] [ 3401.350354] CPU: 1 PID: 7088 Comm: syz-executor.0 Not tainted 4.14.292-syzkaller #0 [ 3401.358131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 3401.367471] Call Trace: [ 3401.370037] dump_stack+0x1b2/0x281 [ 3401.373645] print_address_description.cold+0x54/0x1d3 [ 3401.378901] kasan_report_error.cold+0x8a/0x191 [ 3401.383547] ? refcount_dec_not_one+0x9a/0xc0 [ 3401.388020] __asan_report_load4_noabort+0x68/0x70 [ 3401.392931] ? refcount_dec_not_one+0x9a/0xc0 [ 3401.397402] refcount_dec_not_one+0x9a/0xc0 [ 3401.401710] refcount_dec_and_mutex_lock+0x1a/0x60 [ 3401.406628] nbd_genl_connect+0xce1/0x13e0 [ 3401.410839] ? nbd_xmit_timeout+0x500/0x500 [ 3401.415139] ? validate_nla+0x192/0x5e0 [ 3401.419120] ? nla_parse+0x157/0x1f0 [ 3401.422816] genl_family_rcv_msg+0x572/0xb20 [ 3401.427215] ? genl_rcv+0x40/0x40 [ 3401.430664] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 3401.436095] ? __kmalloc_node_track_caller+0x4c/0x70 [ 3401.441186] ? trace_hardirqs_on+0x10/0x10 [ 3401.445404] genl_rcv_msg+0xaf/0x140 [ 3401.449094] netlink_rcv_skb+0x125/0x390 [ 3401.453146] ? genl_family_rcv_msg+0xb20/0xb20 [ 3401.457714] ? netlink_ack+0x9a0/0x9a0 [ 3401.461595] ? lock_acquire+0x170/0x3f0 [ 3401.465549] genl_rcv+0x24/0x40 [ 3401.468827] netlink_unicast+0x437/0x610 [ 3401.472874] ? netlink_sendskb+0xd0/0xd0 [ 3401.476921] ? __check_object_size+0x179/0x230 [ 3401.481493] netlink_sendmsg+0x648/0xbc0 [ 3401.485540] ? nlmsg_notify+0x1b0/0x1b0 [ 3401.489498] ? kernel_recvmsg+0x210/0x210 [ 3401.493626] ? security_socket_sendmsg+0x83/0xb0 [ 3401.498361] ? nlmsg_notify+0x1b0/0x1b0 [ 3401.502324] sock_sendmsg+0xb5/0x100 [ 3401.506041] ___sys_sendmsg+0x6c8/0x800 [ 3401.510000] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 3401.514752] ? do_futex+0x127/0x1570 [ 3401.518447] ? __fget+0x23e/0x3e0 [ 3401.521880] ? lock_acquire+0x170/0x3f0 [ 3401.525839] ? lock_downgrade+0x740/0x740 [ 3401.529967] ? __fget+0x265/0x3e0 [ 3401.533399] ? __fdget+0x19b/0x1f0 [ 3401.536921] ? sockfd_lookup_light+0xb2/0x160 [ 3401.541395] __sys_sendmsg+0xa3/0x120 [ 3401.545198] ? SyS_shutdown+0x160/0x160 [ 3401.549197] ? up_read+0x17/0x30 [ 3401.552547] ? __do_page_fault+0x159/0xad0 [ 3401.556766] SyS_sendmsg+0x27/0x40 [ 3401.560285] ? __sys_sendmsg+0x120/0x120 [ 3401.564330] do_syscall_64+0x1d5/0x640 [ 3401.568206] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 3401.573370] RIP: 0033:0x7fe23cca93c9 [ 3401.577058] RSP: 002b:00007fe23b61e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3401.584750] RAX: ffffffffffffffda RBX: 00007fe23cdbbf80 RCX: 00007fe23cca93c9 [ 3401.591998] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000004 [ 3401.599271] RBP: 00007fe23cd0433f R08: 0000000000000000 R09: 0000000000000000 [ 3401.606555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3401.613822] R13: 00007ffca883ad4f R14: 00007fe23b61e300 R15: 0000000000022000 [ 3401.621260] [ 3401.622882] Allocated by task 7083: [ 3401.626512] kasan_kmalloc+0xeb/0x160 [ 3401.630305] kmem_cache_alloc_trace+0x131/0x3d0 [ 3401.634955] nbd_dev_add+0x7c/0x800 [ 3401.638750] nbd_genl_connect+0x3a4/0x13e0 [ 3401.642981] genl_family_rcv_msg+0x572/0xb20 [ 3401.647372] genl_rcv_msg+0xaf/0x140 [ 3401.651094] netlink_rcv_skb+0x125/0x390 [ 3401.655134] genl_rcv+0x24/0x40 [ 3401.658408] netlink_unicast+0x437/0x610 [ 3401.662459] netlink_sendmsg+0x648/0xbc0 [ 3401.666505] sock_sendmsg+0xb5/0x100 [ 3401.670207] ___sys_sendmsg+0x6c8/0x800 [ 3401.674169] __sys_sendmsg+0xa3/0x120 [ 3401.677960] SyS_sendmsg+0x27/0x40 [ 3401.681480] do_syscall_64+0x1d5/0x640 [ 3401.685350] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 3401.690539] [ 3401.692152] Freed by task 7088: [ 3401.695427] kasan_slab_free+0xc3/0x1a0 [ 3401.699473] kfree+0xc9/0x250 [ 3401.702565] nbd_put.part.0+0x100/0x140 [ 3401.706522] nbd_config_put+0x51c/0x6c0 [ 3401.710474] nbd_genl_connect+0xcb9/0x13e0 [ 3401.714692] genl_family_rcv_msg+0x572/0xb20 [ 3401.719086] genl_rcv_msg+0xaf/0x140 [ 3401.722776] netlink_rcv_skb+0x125/0x390 [ 3401.726842] genl_rcv+0x24/0x40 [ 3401.730100] netlink_unicast+0x437/0x610 [ 3401.734157] netlink_sendmsg+0x648/0xbc0 [ 3401.738196] sock_sendmsg+0xb5/0x100 [ 3401.741910] ___sys_sendmsg+0x6c8/0x800 [ 3401.745862] __sys_sendmsg+0xa3/0x120 [ 3401.749638] SyS_sendmsg+0x27/0x40 [ 3401.753161] do_syscall_64+0x1d5/0x640 [ 3401.757029] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 3401.762276] [ 3401.763890] The buggy address belongs to the object at ffff88809221c340 [ 3401.763890] which belongs to the cache kmalloc-512 of size 512 [ 3401.776532] The buggy address is located 216 bytes inside of [ 3401.776532] 512-byte region [ffff88809221c340, ffff88809221c540) [ 3401.788388] The buggy address belongs to the page: [ 3401.793554] page:ffffea0002488700 count:1 mapcount:0 mapping:ffff88809221c0c0 index:0xffff88809221c840 [ 3401.802975] flags: 0xfff00000000100(slab) [ 3401.807103] raw: 00fff00000000100 ffff88809221c0c0 ffff88809221c840 0000000100000004 [ 3401.814968] raw: ffffea0002d01320 ffffea00026e54a0 ffff88813fe74940 0000000000000000 [ 3401.822824] page dumped because: kasan: bad access detected [ 3401.828506] [ 3401.830106] Memory state around the buggy address: [ 3401.835010] ffff88809221c300: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 3401.842348] ffff88809221c380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3401.849685] >ffff88809221c400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3401.857024] ^ [ 3401.861269] ffff88809221c480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3401.868617] ffff88809221c500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 3401.875961] ================================================================== [ 3401.883311] Disabling lock debugging due to kernel taint [ 3401.889810] Kernel panic - not syncing: panic_on_warn set ... [ 3401.889810] [ 3401.897179] CPU: 1 PID: 7088 Comm: syz-executor.0 Tainted: G B 4.14.292-syzkaller #0 [ 3401.906173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 3401.915516] Call Trace: [ 3401.918105] dump_stack+0x1b2/0x281 [ 3401.921725] panic+0x1f9/0x42d [ 3401.924910] ? add_taint.cold+0x16/0x16 [ 3401.928877] ? ___preempt_schedule+0x16/0x18 [ 3401.933281] kasan_end_report+0x43/0x49 [ 3401.937245] kasan_report_error.cold+0xa7/0x191 [ 3401.941903] ? refcount_dec_not_one+0x9a/0xc0 [ 3401.946380] __asan_report_load4_noabort+0x68/0x70 [ 3401.951289] ? refcount_dec_not_one+0x9a/0xc0 [ 3401.955761] refcount_dec_not_one+0x9a/0xc0 [ 3401.960060] refcount_dec_and_mutex_lock+0x1a/0x60 [ 3401.964966] nbd_genl_connect+0xce1/0x13e0 [ 3401.969181] ? nbd_xmit_timeout+0x500/0x500 [ 3401.973485] ? validate_nla+0x192/0x5e0 [ 3401.977439] ? nla_parse+0x157/0x1f0 [ 3401.981128] genl_family_rcv_msg+0x572/0xb20 [ 3401.985515] ? genl_rcv+0x40/0x40 [ 3401.988956] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 3401.994397] ? __kmalloc_node_track_caller+0x4c/0x70 [ 3401.999485] ? trace_hardirqs_on+0x10/0x10 [ 3402.003697] genl_rcv_msg+0xaf/0x140 [ 3402.007385] netlink_rcv_skb+0x125/0x390 [ 3402.011422] ? genl_family_rcv_msg+0xb20/0xb20 [ 3402.015977] ? netlink_ack+0x9a0/0x9a0 [ 3402.019841] ? lock_acquire+0x170/0x3f0 [ 3402.023792] genl_rcv+0x24/0x40 [ 3402.027051] netlink_unicast+0x437/0x610 [ 3402.031116] ? netlink_sendskb+0xd0/0xd0 [ 3402.035164] ? __check_object_size+0x179/0x230 [ 3402.039728] netlink_sendmsg+0x648/0xbc0 [ 3402.043765] ? nlmsg_notify+0x1b0/0x1b0 [ 3402.047717] ? kernel_recvmsg+0x210/0x210 [ 3402.051841] ? security_socket_sendmsg+0x83/0xb0 [ 3402.056580] ? nlmsg_notify+0x1b0/0x1b0 [ 3402.060582] sock_sendmsg+0xb5/0x100 [ 3402.064290] ___sys_sendmsg+0x6c8/0x800 [ 3402.068258] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 3402.073002] ? do_futex+0x127/0x1570 [ 3402.076707] ? __fget+0x23e/0x3e0 [ 3402.080143] ? lock_acquire+0x170/0x3f0 [ 3402.084096] ? lock_downgrade+0x740/0x740 [ 3402.088219] ? __fget+0x265/0x3e0 [ 3402.091661] ? __fdget+0x19b/0x1f0 [ 3402.095174] ? sockfd_lookup_light+0xb2/0x160 [ 3402.099647] __sys_sendmsg+0xa3/0x120 [ 3402.103426] ? SyS_shutdown+0x160/0x160 [ 3402.107387] ? up_read+0x17/0x30 [ 3402.110736] ? __do_page_fault+0x159/0xad0 [ 3402.114950] SyS_sendmsg+0x27/0x40 [ 3402.118474] ? __sys_sendmsg+0x120/0x120 [ 3402.122510] do_syscall_64+0x1d5/0x640 [ 3402.126377] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 3402.131541] RIP: 0033:0x7fe23cca93c9 [ 3402.135227] RSP: 002b:00007fe23b61e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3402.142909] RAX: ffffffffffffffda RBX: 00007fe23cdbbf80 RCX: 00007fe23cca93c9 [ 3402.150152] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000004 [ 3402.157396] RBP: 00007fe23cd0433f R08: 0000000000000000 R09: 0000000000000000 [ 3402.164642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3402.171891] R13: 00007ffca883ad4f R14: 00007fe23b61e300 R15: 0000000000022000 [ 3402.179319] Kernel Offset: disabled [ 3402.182931] Rebooting in 86400 seconds..