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0x10d4}, {&(0x7f0000001040)={0x3f4, 0x2d, 0x4, 0x70bd28, 0x25dfdbfb, "", [@typed={0x8, 0x27, 0x0, 0x0, @pid}, @generic="780b2585fb1485e8fd0152f55d08543d4f7e9bd26e4924616cc49af06bd38b732ff0dce52ffc1f4bcc5cc1af875811d7ee6ba6ed0491da2cfe5ed2a67a3b083799a404cb06d0c5bde79b246fc16f15a94ee00ddfb86d79fb9d052e6810ad58a0e8d2df09f9728c2d94fdae6cd72a8ef0a54609e24722092624297ad4a79be5a9a1ce0be57003c710aa41fcf9e31644276c31742a9a8b1805b436", @typed={0x8, 0x38, 0x0, 0x0, @fd=r3}, @generic="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", @generic="b678a0756a418a9f12cb7a14c8d1ff5c70846560888cb7975abdac4ad9d1b899aea71477bf4ee781f9d1f2b19bae42e8a94f7a084c7949d952e56f4573790ac39151ded4c85560d11c052edc44280dc41b6d0a42e396d720c4b77e4386507749eba52aabd585b3cdbb21a102c89c9fae1ddedfba32d07fdc041448cdd66cfca9068a641916d21c490b6804eae692de8b3a6cdae6cdca7bb460fb18fe917fcd87a17b1c5a4ad029ec2943761a97cdc3e78490c2d3665b4b87e030055ddb5ae46d4ec824dc", @generic="516f7e6c494def3bf77d", @nested={0x16a, 0x24, 0x0, 0x1, [@typed={0x8, 0x5a, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="9be860cda53be46052959c185e7026e05d2f2b5de031c526c682c200ff1653be2b3e2397968199e8f76f1f9dc037513e56c1a4a27966ac8291b2dbc1d59153e6bf7b5a67ba8c847b875e91c3f5cad6c7e0d6ae191e791593657efd109c71ac3f2d5ed3", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@mcast2}, @generic="d9b2c2f07de9230444172be0935aab5cc202bcd8391925ec2ac9b9ee41f72fa3a937db1c3b806e3bdf4bbc3eec9cb5238d9aaeb6d1fa6ed9c4b3fc6efcb139d527e6dfc2858ad8ef76c78491045d136be83b581402561a43792e248972839e10083baa15fde96b2f7b5c289746bdcfe5b7bb1a1646e26abc865b0f840f02201e78bb36c29c92f9ebc8903cef5efd11c2300c91f304db8394dfc3d14dd214539da5f71148e93173ad183177cdfe2e5c7eca758e6d0b72663edd797a1c85b87c12ffbfa5907dd0e00d4ef8fbbda0936e777a9d37e4b81974e36cfd2404ade71b", @typed={0x8, 0x1b, 0x0, 0x0, @pid}]}]}, 0x3f4}, {&(0x7f0000001440)={0x48, 0x2c, 0x300, 0x70bd26, 0x25dfdbfe, "", [@generic="09527039c20abfbb13f6dedb64683129a17f1db183546515d254ab25bf3549af2e070261630317a3167308a1f8", @typed={0x8, 0x87, 0x0, 0x0, @uid=0xee00}]}, 0x48}], 0xa, &(0x7f0000007200)=[@rights={{0x14, 0x1, 0x1, [r3]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x18, 0x1, 0x1, [r3, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, r2, r0, r2, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r2]}}, @cred={{0x1c, 0x1, 0x2, {r5, 0x0, 0xee01}}}], 0xb0, 0x8010}, 0xd1) [ 2952.143611] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r2, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r2, &(0x7f0000000b40)={&(0x7f0000000100)=@kern={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)=[{&(0x7f0000000200)={0x114, 0x13, 0x100, 0x70bd25, 0x25dfdbfc, "", [@nested={0x18, 0x60, 0x0, 0x1, [@typed={0x8, 0x6b, 0x0, 0x0, @str='nbd\x00'}, @typed={0xc, 0xb, 0x0, 0x0, @u64=0x8}]}, @typed={0x8, 0x15, 0x0, 0x0, @uid}, @generic="1f82ee3945305e52216492e373b2ddd6be2844dc0a39eff44905be5da6ec41384138149e6ef318dd24f6171a34c1faafa58ddbb931f217ffea9b7653007d0dc61f74147f80ca2bd4ebf628223157be0062a323a191c6a0150cab9a2b13543f729a5a60bfa4712c9018be0038bd04c725f50bc2b68ea7046e9827a240f3ae8e00ce352a33a3e49be0569e84ef36aff27e1257102bf2b94bbe850f6a1f5dfecf28d154fafcaa5ed5474ff3030e926d1b762bba650ab5eaa8387e2ff82190c8ca83258aec4125d7062ad490fe76314de4907c54e1473acd36cb5be33aced2ba9311325d7ff0"]}, 0x114}, {&(0x7f0000000380)={0x2ac, 0x37, 0x702, 0x70bd28, 0x25dfdbfe, "", [@nested={0x299, 0x92, 0x0, 0x1, [@generic="2949518b99d7554d77be39e64c0f06563f7d6ca57e8eeabe7e7cb8238f9669b508822115cc5efd976eefd83657b203c69a05a71eac76bd7ee3973cbdaf4cf92d4f94a8a3e457b4a19fbbe41aebfe977bb4d511440fff3038274ce089ae5bc7de15f79cba4be67116e815c59ef411", @generic="505da9af9a61d4449820b44e2385d8d7de296e64ebc6d10e9bfd444ff1b6ac1b2704cf92474afa5af92f3888b85a7a2563da65ec17cb3bd0e552a21320f3468a84a433be3c3653a485b58daa962aed627b87f2716e222e526293dd557242f0aff4ddae3b22867e3a0d289bf918e5b52f8720854581a0f076638e219914e90f279684ac05f4d0b55c719859b2e939b262391028fa5e074df02afae8e6e6b0aea8077f7ffa2622939e167de2f40c23897439a6c65f47eda35cd1c5c7464533bb202008b4770a2a06c39ade7ec1f4cf27213e0c2502cbf8abb828c7", @generic="b18b11c347857aa380f87eaaf5d40f350355d85bc2537c513844d69640f866d251def849b89669f1734dd01a08dc9ddeacbfa4dacd6b70ce0e7653c5624b893919adfa0836e86ec68ee972a0629e595b9c50d72e7c44412ca1abbafe6a5bc9a0765bb3e367a28be1228ef25e8c5711ac4895877d3333338d726086486a506d0134afdc992b7a7083c5325a441bdf9cda82ac100df3add60c76817ae46bfde3480ce9c3c1f53cfb713c06fa2b4d375a1844e231b75e4e2f2b7fbcf781499e83867937299386f5b876b3e8942bf730b341", @generic="7bc112902c84a18312dd32ca790c31d4557033a0c9a6cac48eb948c1eee670375e4f424e2dc0d9afb1e74b5b5eb24070eb82ce6870b43548240c735dd53edad4624ee05dd0f0f7b7b89041e4158b42d3450140e16610b7c18fb9cf8fd08859601a5f85f56788e23ca850608fa1a547c44bf879e12e4df20d8f83129882"]}]}, 0x2ac}, {&(0x7f0000000140)={0x18, 0x3b, 0x401, 0x70bd2b, 0x25dfdbfb, "", [@typed={0x8, 0x5a, 0x0, 0x0, @str='nbd\x00'}]}, 0x18}, {&(0x7f0000000640)={0x4ec, 0x22, 0x200, 0x70bd2d, 0x25dfdbfe, "", [@generic="f52107d07aa91df4b53dc3324c9e27e153c7ad0dec4dce61584e5ece67d6eb1d8b657e2442ad0ef334ae74dcb3b085f863daa5054a28094ca3f6327adf5b2afc3417aabeaeabaed64aaf2e3bb9f5dbb6b541ba1c2e52b0535dabfd0d07bb0a54371fe31c4a470a99349511147981137d2c70bda45f430cf35a0d84e7e154e248077f638e0d", @generic="4d079f007c790b6088cf0a6c8887570014c38ca97a68ced68f1f6d4b7c1a2712545fc8c786d171fb44dada051bd52a94e24a0e772c8a2827bdbf1ce5d9992cca839f46b0ace73cefdd7cb73b5f3893efeb086e77d50be607a4fc49c825ac959b601619a1fdb35098b0dc0cb57c5bf286f28ea1d313c4ee7656f420c8742ff6e2c76da35ecc", @typed={0x8, 0x6, 0x0, 0x0, @u32=0xef3e}, @typed={0x8, 0x1b, 0x0, 0x0, @uid=0xffffffffffffffff}, @generic="f4685d5176de2af67c290dff4a6607a52725a34287d2090109ab9824a31aa9911e5798f2fdae31d727f248b4487c8a0a6ba18d2fc5660a397fb6dcda9e93e68d1faecd3aa80076ccf3e05852d05774bf3424f80263a26773758b21e7a1ea6765fe59397456edadac2a2e99cefa42d019eefa33c307c9ab1d0350f81c", @nested={0x228, 0x10, 0x0, 0x1, [@generic="d96bf90f22292848876a2124e3da7b6a86f8adb7d49e6adb10df0ee219f5ad281d56ed3379cb190823bf7462cf913491dc6e2cde8670760c243c055ddeedf62d32c6fdcf1945006d8b0959f8e476c0de2e99be23c4202f7d92d39ebec9473fdd9d91165fc55d58fdbc7613b8ebc7b368c9afba82f95769fa0e390bc3caca737cd7b40db4bfac6a657270ce74eb577d6e902cd2fdda57d3d1d7f8afc3775664", @typed={0x8, 0x48, 0x0, 0x0, @pid}, @typed={0xc, 0x4b, 0x0, 0x0, @u64=0x1}, @generic="eb2df9d9a699e5a37ad9a417b6669ed85d8d9f9b8a204acf9250c1b2152d95f26931a462eee44bc821aa952dc4eb083b7f111de23de66d436406fe9a17821c18bac585cc4a299d6f66351ba395ef090637bdc472055b3cc40938ef28187f0e5f93000eb0ed6059bc0122191ce64c1ddc38600b21fcdc785ba19788618405cce3", @generic="720ca003eaef6f9450d517d1246e9fe79beeb5a4fc5e4cf900321a4e6bb1842fba194952bffdf047e9c5e58b8ef7aebb0cc5f983a8a6ec045b2453adc07d1a0b2db4c0c3301a9ef1570112a287af46f3c5844d9a720a4eb699459b0e8fc8af820995f0d34cf7d3a6a38b68599e99d1d853fbf4746baea6f6ec823cb0bb8f0fcf2f93660348cc85297c8398e5005f16237502b399300a817ecc3d59a826aa678ea9472345edea3ce1e009ae1f92a09b08cb5536989344abb500cf521bcda18a4b9d9819c10bd74b941d48e5bdc419309179aca27b6ec6daf54fc88ef16ca99e303afe2642ddaf719eee8251f3644c40ad38"]}, @nested={0x64, 0x50, 0x0, 0x1, [@typed={0x14, 0x7c, 0x0, 0x0, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @typed={0x4c, 0x8d, 0x0, 0x0, @binary="a68a42663a5cd90f14334318d9a286a84dc21dd80514075d27b51cc3888a2939a47ff31eb211416081319ab7ab4cd12b84da0831882afab0f9f619488d758d83a712baa188e18a37"}]}, @nested={0x92, 0x74, 0x0, 0x1, [@typed={0x8, 0x95, 0x0, 0x0, @u32=0x10001}, @typed={0x8, 0xc, 0x0, 0x0, @ipv4=@broadcast}, @generic="cea65048008ef104dc59767b01d0ff8a0166b1bbc43613aef89bb1c29293b0b73021a7a0546b9aaa228d0dca3f47217e2520eb9b733849b85e65cfb1d365a8f1120a38129246f5476af2abb667664ff9493aba5a48f6d52d7123b31b17435d96f0a39b1c2a4f50fe94ff00f320568e36c3c5bbf5df385d7abda1327b843c"]}, @nested={0x20, 0xe, 0x0, 0x1, [@typed={0x14, 0x95, 0x0, 0x0, @ipv6=@private1}, @typed={0x8, 0x81, 0x0, 0x0, @pid=0xffffffffffffffff}]}, @typed={0x4, 0x4f}]}, 0x4ec}], 0x4, 0x0, 0x0, 0xc0}, 0x2012d1438c2db3ed) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES64=r3, @ANYRES16=r0, @ANYRES8=r3], 0x14}}, 0x20040800) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(0xffffffffffffffff, 0x10e, 0x1, &(0x7f0000000b80)=0x5, 0x4) (async) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x48, r2, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x7, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r1, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, ')u./(&\xfd/*-.'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}}, 0x2080) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2952.200609] block nbd2: not configured, cannot reconfigure 07:28:54 executing program 4: syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r0 = syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200000) getsockname$netlink(r0, &(0x7f00000001c0), &(0x7f0000000280)=0xc) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000180)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) r2 = syz_open_dev$media(&(0x7f0000000300), 0xc01, 0x60c100) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000002c0)={r1, 0x0, &(0x7f0000000040)}) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_RX_RING(r3, 0x10e, 0x6, &(0x7f0000000000)={0x0, 0x77, 0x8, 0x1000}, 0x10) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r4, 0x10e, 0x2, &(0x7f0000000100)=0x4, 0x4) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) r6 = openat$vimc0(0xffffffffffffff9c, &(0x7f00000010c0), 0x2, 0x0) r7 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) r8 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) r9 = syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) r10 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid=r5}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r8]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r9]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r10, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) sendmsg$netlink(r4, &(0x7f00000072c0)={0x0, 0x0, &(0x7f0000007100)=[{&(0x7f0000000340)={0xdc, 0x24, 0x200, 0x70bd2a, 0x25dfdbfd, "", [@generic="100b6685c5de8318c08b3c92605f63c8c0fc85f04a8df0164bfd69155065c19a332bf4518ebb6373ca4a78ec9a479c1ecaec232275e51ca5d21543d3ef28f5ef71b60934c10134d86e13353201e0c8b1f25f0fe20606777e00cb045beb9ecf743bbdb45a19a218d19117a738c144b662b1ed5e9ea08d71c4ad5f2e783a3ef5700c31f442179d90c3bd7b1377f1a1c5d1b50a983d12a303467c9ec26521f79c558ec2b80f360a34fe3cdb392d347525b9f20d4a9a804bde084388c8b2646b9dd2583b8e16bf", @typed={0x4, 0x95}]}, 0xdc}, {&(0x7f0000000580)={0x3dc, 0x19, 0x20, 0x1, 0x25dfdbff, "", [@generic="a5ea66b295d7f12269176146e885ccc8a597c7fa9a3f947e7381099861e28b15d25cba68a14f58485fb8d2d776fc9428b0aea6d0792fe501d95b9c51d49314dd312a19dea169eb801d366a509a562edb51700771fd773aa235adaee96d11c929e402f9cea5", @nested={0x200, 0x66, 0x0, 0x1, [@generic="3891804a8b94b24e2831e72e7d66107265e2366a07d8a4e3985dc9a82803d1cd5008ab6623fb26c452165fafa3a206997fe2274bb6939cf91bbb068a060bdb6e9d75d02b1538570bb252ab81d2c531a098b77bdd3f62630b859982f21c9652e4e0cf87302cc3cf4d7561674c98b8beec4d0f30", @generic="3b4de0a20feeff97cb5136ed34acfd1702dddb0be5d5d9477308e9c8e84a04825ce50217b7776451bc2aa894557cbad6b658cd1cf65375414d78b31a1fee3d65c985bc12699a3c8bfa7b6d3dd40d2d174711b45e792eb77faaa4e2b11aa9b3e212c6616e6000420a65b92fb57e0d1f927d87b82c08ce0f4810e3634a360e82a128fb8b32022e9c05bb45625d97662283ca947cf162854e036632d9fa2bb37580e5410a8ba4b279f553aaba020100562bfb19c8b4039bbd6cd7c1f546f71c1d2d2fe7c586eecec3d8d4087a479419aac676a3ff923a07550b66c60c6de90be8c99271adcb233c987afef2e5", @typed={0x4, 0x6}, @typed={0x8, 0x52, 0x0, 0x0, @uid}, @typed={0x8, 0x5d, 0x0, 0x0, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}}, @generic="da574f1cdd31e01ffb002c0420964567adb749ec7647822126d7719c3126f811c45578fdb8b3fa51553fced38ecef3b24191fcbe4695384f566dfbd5ae6c94874a0be503ac98578c5865e8f4cb6bc48c6f2f88aadfcea0b1d496b4e0d7defd8acb8cf6223294ed158d446f6176ae03acf0af813c9c6cf2edf6adffb20c02522910b5", @typed={0x8, 0x3a, 0x0, 0x0, @u32=0x432}]}, @typed={0x8, 0x3c, 0x0, 0x0, @uid}, @nested={0x15c, 0x93, 0x0, 0x1, [@typed={0x8, 0x6a, 0x0, 0x0, @uid=0xffffffffffffffff}, @generic="faa0a3a9ec64d51bba21056e819962619e863423185f95ce3b638f87e457fd4ab5c8c8ce46ae92b45f977ae7bf4409f76df0986830996119fe58fbc6c0d88b9391dbe7e1b30d5ffaecc23dbb5aa176b4d23b915211e4ef1d759470869662d7afcebade955dea4157383eaf91c6dd5bc3e951ec0a200a7c02a0af5894d999517b0d289de004be7755df8bcc68cb05c350cff0aa21", @typed={0x8, 0x8f, 0x0, 0x0, @u32=0x7}, @typed={0xc, 0x42, 0x0, 0x0, @u64=0x8}, @typed={0xa7, 0x71, 0x0, 0x0, @binary="94be1cfbddf3c7153df0f4df61c2f5644f2206688b7efefc1a9271311a7b87f2402a68013fd2e74e6710d26134bcb2ed3d2b6f868f14be8a316851be31d7bd69579983402df685dd234647467395f653a767d61b104d00884a4e65fd5bf20be40ea58ceb5890be6faaddeb1978a09cd7c0f626ce095ef08abfd743fec2fbff2f3d074b24e6228d386ea4aed02a55e5d4995d7927b7603fbff298d5e42486a0e034b92f"}]}]}, 0x3dc}, {&(0x7f0000001540)={0x12ac, 0x34, 0x300, 0x70bd27, 0x25dfdbfb, "", 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0x10d4}, {&(0x7f0000001040)={0x3f4, 0x2d, 0x4, 0x70bd28, 0x25dfdbfb, "", [@typed={0x8, 0x27, 0x0, 0x0, @pid}, @generic="780b2585fb1485e8fd0152f55d08543d4f7e9bd26e4924616cc49af06bd38b732ff0dce52ffc1f4bcc5cc1af875811d7ee6ba6ed0491da2cfe5ed2a67a3b083799a404cb06d0c5bde79b246fc16f15a94ee00ddfb86d79fb9d052e6810ad58a0e8d2df09f9728c2d94fdae6cd72a8ef0a54609e24722092624297ad4a79be5a9a1ce0be57003c710aa41fcf9e31644276c31742a9a8b1805b436", @typed={0x8, 0x38, 0x0, 0x0, @fd=r3}, @generic="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", @generic="b678a0756a418a9f12cb7a14c8d1ff5c70846560888cb7975abdac4ad9d1b899aea71477bf4ee781f9d1f2b19bae42e8a94f7a084c7949d952e56f4573790ac39151ded4c85560d11c052edc44280dc41b6d0a42e396d720c4b77e4386507749eba52aabd585b3cdbb21a102c89c9fae1ddedfba32d07fdc041448cdd66cfca9068a641916d21c490b6804eae692de8b3a6cdae6cdca7bb460fb18fe917fcd87a17b1c5a4ad029ec2943761a97cdc3e78490c2d3665b4b87e030055ddb5ae46d4ec824dc", @generic="516f7e6c494def3bf77d", @nested={0x16a, 0x24, 0x0, 0x1, [@typed={0x8, 0x5a, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="9be860cda53be46052959c185e7026e05d2f2b5de031c526c682c200ff1653be2b3e2397968199e8f76f1f9dc037513e56c1a4a27966ac8291b2dbc1d59153e6bf7b5a67ba8c847b875e91c3f5cad6c7e0d6ae191e791593657efd109c71ac3f2d5ed3", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@mcast2}, @generic="d9b2c2f07de9230444172be0935aab5cc202bcd8391925ec2ac9b9ee41f72fa3a937db1c3b806e3bdf4bbc3eec9cb5238d9aaeb6d1fa6ed9c4b3fc6efcb139d527e6dfc2858ad8ef76c78491045d136be83b581402561a43792e248972839e10083baa15fde96b2f7b5c289746bdcfe5b7bb1a1646e26abc865b0f840f02201e78bb36c29c92f9ebc8903cef5efd11c2300c91f304db8394dfc3d14dd214539da5f71148e93173ad183177cdfe2e5c7eca758e6d0b72663edd797a1c85b87c12ffbfa5907dd0e00d4ef8fbbda0936e777a9d37e4b81974e36cfd2404ade71b", @typed={0x8, 0x1b, 0x0, 0x0, @pid}]}]}, 0x3f4}, {&(0x7f0000001440)={0x48, 0x2c, 0x300, 0x70bd26, 0x25dfdbfe, "", [@generic="09527039c20abfbb13f6dedb64683129a17f1db183546515d254ab25bf3549af2e070261630317a3167308a1f8", @typed={0x8, 0x87, 0x0, 0x0, @uid=0xee00}]}, 0x48}], 0xa, &(0x7f0000007200)=[@rights={{0x14, 0x1, 0x1, [r3]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x18, 0x1, 0x1, [r3, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, r2, r0, r2, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r2]}}, @cred={{0x1c, 0x1, 0x2, {r5, 0x0, 0xee01}}}], 0xb0, 0x8010}, 0xd1) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200000) (async) getsockname$netlink(r0, &(0x7f00000001c0), &(0x7f0000000280)=0xc) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000180)={0x80000000, 0x0, &(0x7f0000000200)}) (async) syz_open_dev$media(&(0x7f0000000300), 0xc01, 0x60c100) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000002c0)={r1, 0x0, &(0x7f0000000040)}) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) setsockopt$netlink_NETLINK_RX_RING(r3, 0x10e, 0x6, &(0x7f0000000000)={0x0, 0x77, 0x8, 0x1000}, 0x10) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r4, 0x10e, 0x2, &(0x7f0000000100)=0x4, 0x4) (async) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000000080)=0xc) (async) openat$vimc0(0xffffffffffffff9c, &(0x7f00000010c0), 0x2, 0x0) (async) openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) (async) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) (async) syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) (async) openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) (async) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid=r5}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r8]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r9]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r10, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) (async) sendmsg$netlink(r4, &(0x7f00000072c0)={0x0, 0x0, &(0x7f0000007100)=[{&(0x7f0000000340)={0xdc, 0x24, 0x200, 0x70bd2a, 0x25dfdbfd, "", [@generic="100b6685c5de8318c08b3c92605f63c8c0fc85f04a8df0164bfd69155065c19a332bf4518ebb6373ca4a78ec9a479c1ecaec232275e51ca5d21543d3ef28f5ef71b60934c10134d86e13353201e0c8b1f25f0fe20606777e00cb045beb9ecf743bbdb45a19a218d19117a738c144b662b1ed5e9ea08d71c4ad5f2e783a3ef5700c31f442179d90c3bd7b1377f1a1c5d1b50a983d12a303467c9ec26521f79c558ec2b80f360a34fe3cdb392d347525b9f20d4a9a804bde084388c8b2646b9dd2583b8e16bf", @typed={0x4, 0x95}]}, 0xdc}, {&(0x7f0000000580)={0x3dc, 0x19, 0x20, 0x1, 0x25dfdbff, "", [@generic="a5ea66b295d7f12269176146e885ccc8a597c7fa9a3f947e7381099861e28b15d25cba68a14f58485fb8d2d776fc9428b0aea6d0792fe501d95b9c51d49314dd312a19dea169eb801d366a509a562edb51700771fd773aa235adaee96d11c929e402f9cea5", @nested={0x200, 0x66, 0x0, 0x1, [@generic="3891804a8b94b24e2831e72e7d66107265e2366a07d8a4e3985dc9a82803d1cd5008ab6623fb26c452165fafa3a206997fe2274bb6939cf91bbb068a060bdb6e9d75d02b1538570bb252ab81d2c531a098b77bdd3f62630b859982f21c9652e4e0cf87302cc3cf4d7561674c98b8beec4d0f30", @generic="3b4de0a20feeff97cb5136ed34acfd1702dddb0be5d5d9477308e9c8e84a04825ce50217b7776451bc2aa894557cbad6b658cd1cf65375414d78b31a1fee3d65c985bc12699a3c8bfa7b6d3dd40d2d174711b45e792eb77faaa4e2b11aa9b3e212c6616e6000420a65b92fb57e0d1f927d87b82c08ce0f4810e3634a360e82a128fb8b32022e9c05bb45625d97662283ca947cf162854e036632d9fa2bb37580e5410a8ba4b279f553aaba020100562bfb19c8b4039bbd6cd7c1f546f71c1d2d2fe7c586eecec3d8d4087a479419aac676a3ff923a07550b66c60c6de90be8c99271adcb233c987afef2e5", @typed={0x4, 0x6}, 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@binary="94be1cfbddf3c7153df0f4df61c2f5644f2206688b7efefc1a9271311a7b87f2402a68013fd2e74e6710d26134bcb2ed3d2b6f868f14be8a316851be31d7bd69579983402df685dd234647467395f653a767d61b104d00884a4e65fd5bf20be40ea58ceb5890be6faaddeb1978a09cd7c0f626ce095ef08abfd743fec2fbff2f3d074b24e6228d386ea4aed02a55e5d4995d7927b7603fbff298d5e42486a0e034b92f"}]}]}, 0x3dc}, {&(0x7f0000001540)={0x12ac, 0x34, 0x300, 0x70bd27, 0x25dfdbfb, "", 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0x10d4}, {&(0x7f0000001040)={0x3f4, 0x2d, 0x4, 0x70bd28, 0x25dfdbfb, "", [@typed={0x8, 0x27, 0x0, 0x0, @pid}, @generic="780b2585fb1485e8fd0152f55d08543d4f7e9bd26e4924616cc49af06bd38b732ff0dce52ffc1f4bcc5cc1af875811d7ee6ba6ed0491da2cfe5ed2a67a3b083799a404cb06d0c5bde79b246fc16f15a94ee00ddfb86d79fb9d052e6810ad58a0e8d2df09f9728c2d94fdae6cd72a8ef0a54609e24722092624297ad4a79be5a9a1ce0be57003c710aa41fcf9e31644276c31742a9a8b1805b436", @typed={0x8, 0x38, 0x0, 0x0, @fd=r3}, @generic="4b1bbd45b7ad9a534be47f60ac9c0d093412d75c912c6494711e6fa718ec785b90f48b58fb6108afef5fda3773711530b87a8710499dba275290b84af884151e5b4aec7904dbb7bf5c3b16cc6b9372dd46e346c03bbab785f1574febad6fdbb5db2883abe742978d1fa79b2c233a6a62ea7768f2f539685f606a16dca33bc213e427fba1602b764eb789925e9eb6cd28ce7287b8d1174e2f1e5ff82f23286f796b3dd851d66389dede10ffd306a61dd02d526d955da8e5abe37bdd7a64c8c78c3def672923f695d871eeb138c46b623cadd2d724d1383688c207ab2792b0c728a06fde8f8dd7b57d390164704785dd7cd3510cb84d8625fbd0ad4310d3", @generic="b678a0756a418a9f12cb7a14c8d1ff5c70846560888cb7975abdac4ad9d1b899aea71477bf4ee781f9d1f2b19bae42e8a94f7a084c7949d952e56f4573790ac39151ded4c85560d11c052edc44280dc41b6d0a42e396d720c4b77e4386507749eba52aabd585b3cdbb21a102c89c9fae1ddedfba32d07fdc041448cdd66cfca9068a641916d21c490b6804eae692de8b3a6cdae6cdca7bb460fb18fe917fcd87a17b1c5a4ad029ec2943761a97cdc3e78490c2d3665b4b87e030055ddb5ae46d4ec824dc", @generic="516f7e6c494def3bf77d", @nested={0x16a, 0x24, 0x0, 0x1, [@typed={0x8, 0x5a, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="9be860cda53be46052959c185e7026e05d2f2b5de031c526c682c200ff1653be2b3e2397968199e8f76f1f9dc037513e56c1a4a27966ac8291b2dbc1d59153e6bf7b5a67ba8c847b875e91c3f5cad6c7e0d6ae191e791593657efd109c71ac3f2d5ed3", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@mcast2}, @generic="d9b2c2f07de9230444172be0935aab5cc202bcd8391925ec2ac9b9ee41f72fa3a937db1c3b806e3bdf4bbc3eec9cb5238d9aaeb6d1fa6ed9c4b3fc6efcb139d527e6dfc2858ad8ef76c78491045d136be83b581402561a43792e248972839e10083baa15fde96b2f7b5c289746bdcfe5b7bb1a1646e26abc865b0f840f02201e78bb36c29c92f9ebc8903cef5efd11c2300c91f304db8394dfc3d14dd214539da5f71148e93173ad183177cdfe2e5c7eca758e6d0b72663edd797a1c85b87c12ffbfa5907dd0e00d4ef8fbbda0936e777a9d37e4b81974e36cfd2404ade71b", @typed={0x8, 0x1b, 0x0, 0x0, @pid}]}]}, 0x3f4}, {&(0x7f0000001440)={0x48, 0x2c, 0x300, 0x70bd26, 0x25dfdbfe, "", [@generic="09527039c20abfbb13f6dedb64683129a17f1db183546515d254ab25bf3549af2e070261630317a3167308a1f8", @typed={0x8, 0x87, 0x0, 0x0, @uid=0xee00}]}, 0x48}], 0xa, &(0x7f0000007200)=[@rights={{0x14, 0x1, 0x1, [r3]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x18, 0x1, 0x1, [r3, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, r2, r0, r2, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r2]}}, @cred={{0x1c, 0x1, 0x2, {r5, 0x0, 0xee01}}}], 0xb0, 0x8010}, 0xd1) (async) 07:28:54 executing program 0: ioctl$VHOST_VDPA_GET_VRING_GROUP(0xffffffffffffffff, 0xc008af7b, &(0x7f0000000000)={0x3, 0x8}) (async) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$VHOST_GET_FEATURES(r1, 0x8008af00, &(0x7f0000000180)) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000140)=0x8b3, 0x4) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async, rerun: 32) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (rerun: 32) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, 0x0, &(0x7f0000000040)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) [ 2952.242216] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x2000e011}, 0x20000040) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x48, r2, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) [ 2952.292561] nbd: must specify a device to reconfigure 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[], 0x14}}, 0x40000) 07:28:54 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x20, r2, 0xecb7a78efbb61a14, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x52}]}, 0x20}}, 0x22000801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x40) r3 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r3, 0x89e9) recvfrom$x25(r3, &(0x7f0000000000)=""/212, 0xd4, 0x40000000, 0x0, 0x0) r4 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r4, 0x89e9) ioctl$SIOCX25SCAUSEDIAG(r4, 0x89ec, &(0x7f0000000100)={0x8a}) 07:28:54 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) write$nbd(0xffffffffffffffff, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0xb5) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, &(0x7f00000003c0), &(0x7f00000004c0)}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000580)={0x80000000, &(0x7f0000000380), &(0x7f0000000400)}) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r2, 0x40096101, &(0x7f0000000440)) ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f00000001c0)={{&(0x7f0000000300)={'Accelerator0\x00', {&(0x7f0000000000)=@adf_hex={@bank={'Bank', '4', 'InterruptCoalescingEnabled\x00'}, {0xffffffffffffffff}}}, {&(0x7f0000000280)={'KERNEL\x00', {&(0x7f0000000100)=@adf_dec={@format={'Cy', '1', 'RingAsymRx\x00'}, {0x1}}}}}}}, 0xbc}) 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[], 0x14}}, 0x40000) 07:28:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x2000e011}, 0x20000040) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x48, r2, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) 07:28:54 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) (async) [ 2952.374477] nbd: must specify a device to reconfigure 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x20, r2, 0xecb7a78efbb61a14, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x52}]}, 0x20}}, 0x22000801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x40) r3 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r3, 0x89e9) (async) recvfrom$x25(r3, &(0x7f0000000000)=""/212, 0xd4, 0x40000000, 0x0, 0x0) (async) r4 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r4, 0x89e9) ioctl$SIOCX25SCAUSEDIAG(r4, 0x89ec, &(0x7f0000000100)={0x8a}) 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[], 0x14}}, 0x40000) 07:28:54 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) write$nbd(0xffffffffffffffff, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0xb5) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, &(0x7f00000003c0), &(0x7f00000004c0)}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000580)={0x80000000, &(0x7f0000000380), &(0x7f0000000400)}) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r2, 0x40096101, &(0x7f0000000440)) ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f00000001c0)={{&(0x7f0000000300)={'Accelerator0\x00', {&(0x7f0000000000)=@adf_hex={@bank={'Bank', '4', 'InterruptCoalescingEnabled\x00'}, {0xffffffffffffffff}}}, {&(0x7f0000000280)={'KERNEL\x00', {&(0x7f0000000100)=@adf_dec={@format={'Cy', '1', 'RingAsymRx\x00'}, {0x1}}}}}}}, 0xbc}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) write$nbd(0xffffffffffffffff, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0xb5) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, &(0x7f00000003c0), &(0x7f00000004c0)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000580)={0x80000000, &(0x7f0000000380), &(0x7f0000000400)}) (async) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$IOCTL_STOP_ACCEL_DEV(r2, 0x40096101, &(0x7f0000000440)) (async) ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f00000001c0)={{&(0x7f0000000300)={'Accelerator0\x00', {&(0x7f0000000000)=@adf_hex={@bank={'Bank', '4', 'InterruptCoalescingEnabled\x00'}, {0xffffffffffffffff}}}, {&(0x7f0000000280)={'KERNEL\x00', {&(0x7f0000000100)=@adf_dec={@format={'Cy', '1', 'RingAsymRx\x00'}, {0x1}}}}}}}, 0xbc}) (async) 07:28:54 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async, rerun: 32) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) (async, rerun: 32) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="02000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) [ 2952.427649] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2952.452818] QAT: Device 0 not found [ 2952.461208] nbd: must specify a device to reconfigure 07:28:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x1c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x20004000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x90}, 0x4000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#/+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040080}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="02000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) 07:28:54 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$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4004041) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40420d1}, 0x40000) 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x20, r2, 0xecb7a78efbb61a14, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x52}]}, 0x20}}, 0x22000801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x40) r3 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r3, 0x89e9) recvfrom$x25(r3, &(0x7f0000000000)=""/212, 0xd4, 0x40000000, 0x0, 0x0) r4 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r4, 0x89e9) ioctl$SIOCX25SCAUSEDIAG(r4, 0x89ec, &(0x7f0000000100)={0x8a}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x20, r2, 0xecb7a78efbb61a14, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x52}]}, 0x20}}, 0x22000801) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x40) (async) syz_init_net_socket$x25(0x9, 0x5, 0x0) (async) ioctl$SIOCX25SENDCALLACCPT(r3, 0x89e9) (async) recvfrom$x25(r3, &(0x7f0000000000)=""/212, 0xd4, 0x40000000, 0x0, 0x0) (async) syz_init_net_socket$x25(0x9, 0x5, 0x0) (async) ioctl$SIOCX25SENDCALLACCPT(r4, 0x89e9) (async) ioctl$SIOCX25SCAUSEDIAG(r4, 0x89ec, &(0x7f0000000100)={0x8a}) (async) 07:28:54 executing program 4: ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x1, 0x9, 0x4, 0x2, 0x1, {0x0, 0xea60}, {0x3, 0x2, 0x9, 0x7f, 0x6, 0x9, "8bafee06"}, 0x6, 0x4, {}, 0x2000000}) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) [ 2952.533661] nbd: must specify an index to disconnect [ 2952.546081] QAT: Device 0 not found [ 2952.551795] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:54 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) write$nbd(0xffffffffffffffff, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0xb5) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, &(0x7f00000003c0), &(0x7f00000004c0)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000580)={0x80000000, &(0x7f0000000380), &(0x7f0000000400)}) (async) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r2, 0x40096101, &(0x7f0000000440)) ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f00000001c0)={{&(0x7f0000000300)={'Accelerator0\x00', {&(0x7f0000000000)=@adf_hex={@bank={'Bank', '4', 'InterruptCoalescingEnabled\x00'}, {0xffffffffffffffff}}}, {&(0x7f0000000280)={'KERNEL\x00', {&(0x7f0000000100)=@adf_dec={@format={'Cy', '1', 'RingAsymRx\x00'}, {0x1}}}}}}}, 0xbc}) 07:28:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x1c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x20004000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x90}, 0x4000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#/+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040080}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:54 executing program 4: ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x1, 0x9, 0x4, 0x2, 0x1, {0x0, 0xea60}, {0x3, 0x2, 0x9, 0x7f, 0x6, 0x9, "8bafee06"}, 0x6, 0x4, {}, 0x2000000}) (async) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4004041) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40420d1}, 0x40000) 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4004041) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40420d1}, 0x40000) (async) [ 2952.588442] nbd: must specify a device to reconfigure 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x2, 0x648481) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:54 executing program 4: ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x1, 0x9, 0x4, 0x2, 0x1, {0x0, 0xea60}, {0x3, 0x2, 0x9, 0x7f, 0x6, 0x9, "8bafee06"}, 0x6, 0x4, {}, 0x2000000}) (async) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) [ 2952.650919] nbd: must specify a device to reconfigure 07:28:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4004041) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40420d1}, 0x40000) 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4004041) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40420d1}, 0x40000) (async) 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x2, 0x648481) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x2, 0x648481) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) [ 2952.702186] QAT: Device 0 not found 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="02000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) 07:28:54 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:54 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000140)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) [ 2952.756524] nbd: must specify an index to disconnect 07:28:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x2, 0x648481) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2952.786042] nbd: must specify a device to reconfigure 07:28:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x1c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x20004000) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x90}, 0x4000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#/+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040080}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:54 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async, rerun: 32) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (rerun: 32) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:54 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000140)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) 07:28:54 executing program 5: syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) pselect6(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x9}, 0x0, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14020000d0055550f62ae218d192fb774f6e36c77b25e0ecd353936466d00d7a9dc72dd03c", @ANYRES16=r4, @ANYBLOB="01002dbd7000f8dbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x200020c1}, 0x40000) 07:28:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) 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$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ']#@+'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40420c0}, 0x8011) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 07:28:55 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000140)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000), 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000140)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) (async) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 5: syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) pselect6(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x9}, 0x0, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14020000d0055550f62ae218d192fb774f6e36c77b25e0ecd353936466d00d7a9dc72dd03c", @ANYRES16=r4, @ANYBLOB="01002dbd7000f8dbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x200020c1}, 0x40000) syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) pselect6(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x9}, 0x0, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14020000d0055550f62ae218d192fb774f6e36c77b25e0ecd353936466d00d7a9dc72dd03c", @ANYRES16=r4, @ANYBLOB="01002dbd7000f8dbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x200020c1}, 0x40000) (async) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) (async) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) (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$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ']#@+'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40420c0}, 0x8011) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) [ 2952.951038] nbd: must specify a device to reconfigure 07:28:55 executing program 4: ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000180)={0x0, 0x3, 0x0, &(0x7f0000000280)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f00000003c0)=[{}, {}], 0x2, 0x0, &(0x7f0000000000)=[{}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000580)={r0, &(0x7f00000004c0), &(0x7f0000000500)}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) (async) 07:28:55 executing program 5: syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) (async) r0 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) pselect6(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x9}, 0x0, 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14020000d0055550f62ae218d192fb774f6e36c77b25e0ecd353936466d00d7a9dc72dd03c", @ANYRES16=r4, @ANYBLOB="01002dbd7000f8dbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x200020c1}, 0x40000) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) ioctl$SIOCX25SENDCALLACCPT(r1, 0x89e9) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ']#@+'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40420c0}, 0x8011) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x3f, 0x1) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000040)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 2: ioctl$DRM_IOCTL_DMA(0xffffffffffffffff, 0xc0406429, &(0x7f0000000100)={0x0, 0x6, &(0x7f0000000000)=[0x3, 0x7fffffff, 0x198, 0xfc, 0xce62, 0x8], &(0x7f0000000040)=[0x9, 0x5, 0x8002, 0x4, 0x7], 0x24, 0x1, 0x3, &(0x7f0000000080)=[0x0], &(0x7f0000000300)=[0x100, 0x100, 0xd43, 0x7fffffff]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) syz_open_dev$mouse(&(0x7f0000000140), 0x1, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x10, 0x80001, 0x1, &(0x7f0000000240)) socketpair(0x2c, 0x3, 0xc9, &(0x7f0000000280)) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x81, 0x4) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)=ANY=[], 0x74}, 0x1, 0x0, 0x0, 0x40001}, 0x40) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000180)={0x9, 0x3, 0x4, 0x40, 0x191, {}, {0x3, 0x3, 0x3, 0x3, 0x7f, 0x81, "f42300"}, 0x4000f6a, 0x4, {}, 0x7, 0x0, r5}) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) (async) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) syz_open_dev$media(&(0x7f0000000000), 0x3f, 0x1) (async) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000040)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 2: ioctl$DRM_IOCTL_DMA(0xffffffffffffffff, 0xc0406429, &(0x7f0000000100)={0x0, 0x6, &(0x7f0000000000)=[0x3, 0x7fffffff, 0x198, 0xfc, 0xce62, 0x8], &(0x7f0000000040)=[0x9, 0x5, 0x8002, 0x4, 0x7], 0x24, 0x1, 0x3, &(0x7f0000000080)=[0x0], &(0x7f0000000300)=[0x100, 0x100, 0xd43, 0x7fffffff]}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_open_dev$mouse(&(0x7f0000000140), 0x1, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x10, 0x80001, 0x1, &(0x7f0000000240)) (async) socketpair(0x2c, 0x3, 0xc9, &(0x7f0000000280)) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x81, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)=ANY=[], 0x74}, 0x1, 0x0, 0x0, 0x40001}, 0x40) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000180)={0x9, 0x3, 0x4, 0x40, 0x191, {}, {0x3, 0x3, 0x3, 0x3, 0x7f, 0x81, "f42300"}, 0x4000f6a, 0x4, {}, 0x7, 0x0, r5}) [ 2953.101112] nbd: must specify a device to reconfigure 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getitimer(0x1, &(0x7f0000000000)={{0x0, 0x0}, {0x0, 0x0}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x18, &(0x7f0000001440)={&(0x7f0000000600)=ANY=[@ANYRESDEC=r5, @ANYRES16=r4, @ANYRESHEX=r1, @ANYRESOCT=r2, @ANYRES64=r3], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair(0x1, 0x1, 0x2, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x402, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x21, 0x3, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r13, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f00000004c0)={0xa0, r6, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000041}, 0x20008000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r14, 0x1}, 0x14}}, 0x0) setsockopt$packet_fanout(r10, 0x107, 0x12, &(0x7f0000000380)={0x0, 0x1}, 0x4) 07:28:55 executing program 4: ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000180)={0x0, 0x3, 0x0, &(0x7f0000000280)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f00000003c0)=[{}, {}], 0x2, 0x0, &(0x7f0000000000)=[{}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000580)={r0, &(0x7f00000004c0), &(0x7f0000000500)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c00ffffff073b727ac5df5d"], 0x38}}, 0x0) 07:28:55 executing program 5: socketpair(0x3, 0x5, 0x2, &(0x7f0000000000)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000040)={0x3, 0x7}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000080)) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) syz_open_dev$media(&(0x7f0000000000), 0x3f, 0x1) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000040)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 2: ioctl$DRM_IOCTL_DMA(0xffffffffffffffff, 0xc0406429, &(0x7f0000000100)={0x0, 0x6, &(0x7f0000000000)=[0x3, 0x7fffffff, 0x198, 0xfc, 0xce62, 0x8], &(0x7f0000000040)=[0x9, 0x5, 0x8002, 0x4, 0x7], 0x24, 0x1, 0x3, &(0x7f0000000080)=[0x0], &(0x7f0000000300)=[0x100, 0x100, 0xd43, 0x7fffffff]}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_open_dev$mouse(&(0x7f0000000140), 0x1, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x10, 0x80001, 0x1, &(0x7f0000000240)) (async) socketpair(0x2c, 0x3, 0xc9, &(0x7f0000000280)) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x81, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000640)=ANY=[], 0x74}, 0x1, 0x0, 0x0, 0x40001}, 0x40) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) (async) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000180)={0x9, 0x3, 0x4, 0x40, 0x191, {}, {0x3, 0x3, 0x3, 0x3, 0x7f, 0x81, "f42300"}, 0x4000f6a, 0x4, {}, 0x7, 0x0, r5}) 07:28:55 executing program 4: ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000180)={0x0, 0x3, 0x0, &(0x7f0000000280)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f00000003c0)=[{}, {}], 0x2, 0x0, &(0x7f0000000000)=[{}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000580)={r0, &(0x7f00000004c0), &(0x7f0000000500)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:55 executing program 5: socketpair(0x3, 0x5, 0x2, &(0x7f0000000000)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000040)={0x3, 0x7}) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async, rerun: 32) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000080)) (rerun: 32) [ 2953.209778] nbd: must specify a device to reconfigure 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x40) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x8, 0xc8100) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getitimer(0x1, &(0x7f0000000000)={{0x0, 0x0}, {0x0, 0x0}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x18, &(0x7f0000001440)={&(0x7f0000000600)=ANY=[@ANYRESDEC=r5, @ANYRES16=r4, @ANYRESHEX=r1, @ANYRESOCT=r2, @ANYRES64=r3], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair(0x1, 0x1, 0x2, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x402, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x21, 0x3, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r13, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f00000004c0)={0xa0, r6, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000041}, 0x20008000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r14, 0x1}, 0x14}}, 0x0) setsockopt$packet_fanout(r10, 0x107, 0x12, &(0x7f0000000380)={0x0, 0x1}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getitimer(0x1, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x18, &(0x7f0000001440)={&(0x7f0000000600)=ANY=[@ANYRESDEC=r5, @ANYRES16=r4, @ANYRESHEX=r1, @ANYRESOCT=r2, @ANYRES64=r3], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) socketpair(0x1, 0x1, 0x2, &(0x7f0000000140)) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x402, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x21, 0x3, 0x4, &(0x7f0000000200)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r13, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f00000004c0)={0xa0, r6, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000041}, 0x20008000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r14, 0x1}, 0x14}}, 0x0) (async) setsockopt$packet_fanout(r10, 0x107, 0x12, &(0x7f0000000380)={0x0, 0x1}, 0x4) (async) 07:28:55 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000180)=0x0, &(0x7f00000001c0)=0x4) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000300)={'syztnl0\x00', &(0x7f0000000280)={'ip6_vti0\x00', r1, 0x29, 0x4, 0x81, 0xa64, 0x3, @local, @mcast1, 0x7800, 0x10, 0x7, 0x6}}) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{0x80000000}, {0x80000000}}, {{0x80000000, 0x0}, {0x80000000}}]}) r7 = syz_open_dev$mouse(&(0x7f0000000000), 0x7f, 0x80441) ioctl$MEDIA_IOC_SETUP_LINK(r7, 0xc0347c03, &(0x7f0000000140)={{r4, r5, 0x0, [0x200, 0x1]}, {r3, 0x0, 0x0, [0x1, 0x5]}, 0x1, [0x8, 0x1]}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000100)={r6, 0x0, &(0x7f0000000040)}) [ 2953.254248] nbd: must specify a device to reconfigure [ 2953.269390] nbd: must specify a device to reconfigure [ 2953.289021] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x40) (rerun: 64) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c00ffffff073b727ac5df5d"], 0x38}}, 0x0) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x8, 0xc8100) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) [ 2953.301709] nbd: must specify a device to reconfigure [ 2953.312200] nbd: must specify a device to reconfigure [ 2953.318528] nbd: must specify a device to reconfigure [ 2953.336410] nbd: must specify a device to reconfigure 07:28:55 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, 0x0) (async) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000180)=0x0, &(0x7f00000001c0)=0x4) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000300)={'syztnl0\x00', &(0x7f0000000280)={'ip6_vti0\x00', r1, 0x29, 0x4, 0x81, 0xa64, 0x3, @local, @mcast1, 0x7800, 0x10, 0x7, 0x6}}) (async) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{0x80000000}, {0x80000000}}, {{0x80000000, 0x0}, {0x80000000}}]}) r7 = syz_open_dev$mouse(&(0x7f0000000000), 0x7f, 0x80441) ioctl$MEDIA_IOC_SETUP_LINK(r7, 0xc0347c03, &(0x7f0000000140)={{r4, r5, 0x0, [0x200, 0x1]}, {r3, 0x0, 0x0, [0x1, 0x5]}, 0x1, [0x8, 0x1]}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000100)={r6, 0x0, &(0x7f0000000040)}) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x40) [ 2953.356304] nbd: must specify a device to reconfigure [ 2953.364930] nbd: must specify a device to reconfigure [ 2953.371480] nbd: must specify a device to reconfigure [ 2953.377025] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2953.392211] nbd: must specify a device to reconfigure [ 2953.397800] nbd: must specify a device to reconfigure 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c00ffffff073b727ac5df5d"], 0x38}}, 0x0) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getitimer(0x1, &(0x7f0000000000)={{0x0, 0x0}, {0x0, 0x0}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x18, &(0x7f0000001440)={&(0x7f0000000600)=ANY=[@ANYRESDEC=r5, @ANYRES16=r4, @ANYRESHEX=r1, @ANYRESOCT=r2, @ANYRES64=r3], 0x14}}, 0x0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) socketpair(0x1, 0x1, 0x2, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x402, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x21, 0x3, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r13, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f00000004c0)={0xa0, r6, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000041}, 0x20008000) (async) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r14, 0x1}, 0x14}}, 0x0) (async) setsockopt$packet_fanout(r10, 0x107, 0x12, &(0x7f0000000380)={0x0, 0x1}, 0x4) [ 2953.411026] nbd: must specify a device to reconfigure [ 2953.420274] nbd: must specify a device to reconfigure [ 2953.429098] nbd: must specify a device to reconfigure [ 2953.446192] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2953.460328] nbd: must specify a device to reconfigure [ 2953.465651] nbd: must specify a device to reconfigure [ 2953.474215] nbd: must specify a device to reconfigure [ 2953.481044] nbd: must specify a device to reconfigure [ 2953.486336] nbd: must specify a device to reconfigure [ 2953.491731] nbd: must specify a device to reconfigure [ 2953.496958] nbd: must specify a device to reconfigure [ 2953.502276] nbd: must specify a device to reconfigure [ 2953.507514] nbd: must specify a device to reconfigure [ 2953.512813] nbd: must specify a device to reconfigure [ 2953.518837] nbd: must specify a device to reconfigure [ 2953.524065] nbd: must specify a device to reconfigure [ 2953.529371] nbd: must specify a device to reconfigure [ 2953.534630] nbd: must specify a device to reconfigure [ 2953.540006] nbd: must specify a device to reconfigure [ 2953.545233] nbd: must specify a device to reconfigure [ 2953.550545] nbd: must specify a device to reconfigure [ 2953.555771] nbd: must specify a device to reconfigure 07:28:55 executing program 5: socketpair(0x3, 0x5, 0x2, &(0x7f0000000000)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000040)={0x3, 0x7}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) ioctl$VHOST_SET_VRING_NUM(0xffffffffffffffff, 0x4008af10, &(0x7f0000000080)) 07:28:55 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000180)=0x0, &(0x7f00000001c0)=0x4) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000300)={'syztnl0\x00', &(0x7f0000000280)={'ip6_vti0\x00', r1, 0x29, 0x4, 0x81, 0xa64, 0x3, @local, @mcast1, 0x7800, 0x10, 0x7, 0x6}}) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{0x80000000}, {0x80000000}}, {{0x80000000, 0x0}, {0x80000000}}]}) r7 = syz_open_dev$mouse(&(0x7f0000000000), 0x7f, 0x80441) ioctl$MEDIA_IOC_SETUP_LINK(r7, 0xc0347c03, &(0x7f0000000140)={{r4, r5, 0x0, [0x200, 0x1]}, {r3, 0x0, 0x0, [0x1, 0x5]}, 0x1, [0x8, 0x1]}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000100)={r6, 0x0, &(0x7f0000000040)}) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, 0x0) (async) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000180), &(0x7f00000001c0)=0x4) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000300)={'syztnl0\x00', &(0x7f0000000280)={'ip6_vti0\x00', r1, 0x29, 0x4, 0x81, 0xa64, 0x3, @local, @mcast1, 0x7800, 0x10, 0x7, 0x6}}) (async) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) syz_open_dev$mouse(&(0x7f0000000000), 0x7f, 0x80441) (async) ioctl$MEDIA_IOC_SETUP_LINK(r7, 0xc0347c03, &(0x7f0000000140)={{r4, r5, 0x0, [0x200, 0x1]}, {r3, 0x0, 0x0, [0x1, 0x5]}, 0x1, [0x8, 0x1]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000100)={r6, 0x0, &(0x7f0000000040)}) (async) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x8, 0xc8100) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x1, 0x40000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_GET(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_LEN={0x5}, @L2TP_ATTR_PEER_COOKIE={0xc}]}, 0x28}}, 0x0) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r3, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xf3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20008000}, 0xc010) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004085}, 0x0) [ 2953.561053] nbd: must specify a device to reconfigure [ 2953.566278] nbd: must specify a device to reconfigure [ 2953.571578] nbd: must specify a device to reconfigure 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x100, 0x22040) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x100, 0x22040) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) syz_open_dev$media(&(0x7f0000000000), 0x100, 0x22040) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x1, 0x40000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x1, 0x40000) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004085}, 0x0) 07:28:55 executing program 4: r0 = syz_open_dev$media(&(0x7f0000000000), 0x10000002000002, 0x28101) r1 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_LIST_RULES(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x10, 0x70bd27, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x8000}, 0x4) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$WG_CMD_SET_DEVICE(r3, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000600)={0x39c, 0x0, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@WGDEVICE_A_PEERS={0x348, 0x8, 0x0, 0x1, [{0x344, 0x0, 0x0, 0x1, [@WGPEER_A_ALLOWEDIPS={0x148, 0x9, 0x0, 0x1, [{0xac, 0x0, 0x0, 0x1, [@ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}]}, {0x94, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @dev={0xac, 0x14, 0x14, 0x17}}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @local}, {0x5, 0x3, 0x2}}]}, {0x4}]}, @WGPEER_A_ALLOWEDIPS={0x20, 0x9, 0x0, 0x1, [{0x1c, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x1}}]}]}, @WGPEER_A_ALLOWEDIPS={0x1d8, 0x9, 0x0, 0x1, [{0x64, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @local}}, {0x5, 0x3, 0x1}}]}, {0x88, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5, 0x3, 0x3}}]}, {0xe8, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010102}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @empty}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}]}]}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_PRIVATE_KEY={0x24, 0x3, @a}]}, 0x39c}, 0x1, 0x0, 0x0, 0x4044}, 0xc1) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_GET(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_LEN={0x5}, @L2TP_ATTR_PEER_COOKIE={0xc}]}, 0x28}}, 0x0) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r3, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xf3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20008000}, 0xc010) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:55 executing program 5: r0 = syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x64, r0, 0x10, 0x70bd29, 0x25dfdbfc, {}, [@WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e22}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e23}, @WGDEVICE_A_PEERS={0x1c, 0x8, 0x0, 0x1, [{0x18, 0x0, 0x0, 0x1, [@WGPEER_A_ENDPOINT4={0x14, 0x4, {0x2, 0x4e20, @loopback}}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000801}, 0x4) r1 = syz_open_dev$mouse(&(0x7f0000000000), 0x80000000, 0x444b02) setsockopt$X25_QBITINCL(r1, 0x106, 0x1, &(0x7f0000000040), 0x4) r2 = socket$phonet_pipe(0x23, 0x5, 0x2) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f0000000600)={0x450, 0x3f3, 0x200, 0x70bd27, 0x25dfdbff, {0x4, 0x2, 0x4, [0x6, 0x498, 0x9, 0x80, 0x4, 0x4, 0x5, 0x5, 0x5, 0x3ff, 0x8, 0x3, 0x1, 0xeed, 0x5, 0x102, 0x10001, 0xb0, 0x2, 0x8, 0x4eb318d2, 0x1, 0xaba, 0x7, 0x2691, 0xffffffe1, 0x0, 0x80, 0x5, 0x100, 0xffff, 0x80000000, 0xabb, 0x80000001, 0x2, 0x3ff, 0x6, 0x1000, 0x80, 0x7, 0xfff, 0x8, 0x9, 0x1, 0x80, 0x3, 0x40, 0x9, 0x3ff, 0xff, 0x10001, 0x3, 0x0, 0x3f, 0xfa3, 0x7, 0x9, 0x1, 0x3, 0x400, 0x5, 0x800, 0x200, 0x1], [0x7f, 0x8001, 0x7ff, 0xe0a2ef1c, 0x2ce, 0x7, 0x10000, 0xfffffff8, 0x1, 0x5, 0x1000, 0x200, 0x4, 0x2, 0x2, 0x310, 0x6, 0x0, 0x40, 0x3, 0x14, 0x8, 0x7, 0x2, 0x0, 0x4, 0xb958, 0x81, 0x100, 0x9, 0x435c, 0x80, 0x10000, 0xffffffff, 0x40, 0x81, 0xfffffffc, 0xffffffff, 0x6, 0x6, 0xfffffffd, 0x6, 0x73, 0x7, 0x5, 0x6, 0x1, 0x46, 0x3ff, 0x7f, 0x400000, 0xffffffd9, 0x3, 0x9, 0x8001, 0x3, 0x2, 0x1f, 0xfce, 0x1, 0x0, 0x6, 0x40, 0x8], [0x0, 0x0, 0xde, 0xed6, 0x0, 0x9, 0xffffffff, 0x8, 0x6, 0xb98, 0x0, 0x2, 0xfffff1f0, 0x40, 0x3, 0x2, 0xcd, 0xfffff800, 0x0, 0x8, 0x611, 0x2, 0x90, 0xff, 0x7ff, 0xe6, 0xfb5, 0x5, 0x0, 0x5, 0x8, 0x7fff, 0x0, 0x7, 0x1, 0x0, 0x0, 0x0, 0x46, 0x3e, 0x8, 0x9, 0x6, 0x8, 0x6, 0x2c2, 0xc1, 0x89f, 0x3, 0x4, 0xffffff00, 0xb6, 0x19, 0x9, 0x2, 0x1, 0xffffff81, 0x7fffffff, 0x7, 0x75, 0x8a, 0x41bf3ba7, 0x80, 0x1b6], [0x1150, 0x81, 0x13, 0x5, 0xff, 0x1, 0x2, 0x7fff, 0x6, 0x10000, 0x7, 0x98be, 0x301d9859, 0x2, 0xd550, 0x2, 0x5, 0x0, 0x4, 0xfff, 0x80, 0x6, 0xfffffff9, 0x0, 0x1, 0xdad, 0x6, 0x5, 0x5, 0x6, 0x4, 0x0, 0x6, 0xffffffff, 0x0, 0x6, 0x5, 0x1000, 0x8001, 0x4, 0x8, 0x1, 0x9, 0x4, 0x4fcc, 0x3, 0x1ff, 0x10001, 0x1, 0xca, 0x7ab, 0x5, 0x4ffb1e3c, 0x3, 0xfffffff9, 0x8, 0x5, 0xfffffff9, 0x8001, 0x1a7, 0x8, 0x4, 0x2, 0x3], 0x2e, ['()\x1d+\x00', '\\\x00', '\'\x00', '/dev/input/mouse#\x00', '*}!,^{)+/@\x05^&+[\x00', '{.\x00']}, [""]}, 0x450}, 0x1, 0x0, 0x0, 0x4040004}, 0x20) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x6, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}]}) clock_gettime(0x0, &(0x7f0000000080)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000bbdc0200", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) [ 2953.634020] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2953.662873] nbd: must specify a device to reconfigure [ 2953.672109] nbd: must specify a device to reconfigure 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004085}, 0x0) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async, rerun: 32) syz_open_dev$mouse(0x0, 0x1, 0x40000) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:55 executing program 5: r0 = syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x64, r0, 0x10, 0x70bd29, 0x25dfdbfc, {}, [@WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e22}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e23}, @WGDEVICE_A_PEERS={0x1c, 0x8, 0x0, 0x1, [{0x18, 0x0, 0x0, 0x1, [@WGPEER_A_ENDPOINT4={0x14, 0x4, {0x2, 0x4e20, @loopback}}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000801}, 0x4) r1 = syz_open_dev$mouse(&(0x7f0000000000), 0x80000000, 0x444b02) setsockopt$X25_QBITINCL(r1, 0x106, 0x1, &(0x7f0000000040), 0x4) r2 = socket$phonet_pipe(0x23, 0x5, 0x2) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f0000000600)={0x450, 0x3f3, 0x200, 0x70bd27, 0x25dfdbff, {0x4, 0x2, 0x4, [0x6, 0x498, 0x9, 0x80, 0x4, 0x4, 0x5, 0x5, 0x5, 0x3ff, 0x8, 0x3, 0x1, 0xeed, 0x5, 0x102, 0x10001, 0xb0, 0x2, 0x8, 0x4eb318d2, 0x1, 0xaba, 0x7, 0x2691, 0xffffffe1, 0x0, 0x80, 0x5, 0x100, 0xffff, 0x80000000, 0xabb, 0x80000001, 0x2, 0x3ff, 0x6, 0x1000, 0x80, 0x7, 0xfff, 0x8, 0x9, 0x1, 0x80, 0x3, 0x40, 0x9, 0x3ff, 0xff, 0x10001, 0x3, 0x0, 0x3f, 0xfa3, 0x7, 0x9, 0x1, 0x3, 0x400, 0x5, 0x800, 0x200, 0x1], [0x7f, 0x8001, 0x7ff, 0xe0a2ef1c, 0x2ce, 0x7, 0x10000, 0xfffffff8, 0x1, 0x5, 0x1000, 0x200, 0x4, 0x2, 0x2, 0x310, 0x6, 0x0, 0x40, 0x3, 0x14, 0x8, 0x7, 0x2, 0x0, 0x4, 0xb958, 0x81, 0x100, 0x9, 0x435c, 0x80, 0x10000, 0xffffffff, 0x40, 0x81, 0xfffffffc, 0xffffffff, 0x6, 0x6, 0xfffffffd, 0x6, 0x73, 0x7, 0x5, 0x6, 0x1, 0x46, 0x3ff, 0x7f, 0x400000, 0xffffffd9, 0x3, 0x9, 0x8001, 0x3, 0x2, 0x1f, 0xfce, 0x1, 0x0, 0x6, 0x40, 0x8], [0x0, 0x0, 0xde, 0xed6, 0x0, 0x9, 0xffffffff, 0x8, 0x6, 0xb98, 0x0, 0x2, 0xfffff1f0, 0x40, 0x3, 0x2, 0xcd, 0xfffff800, 0x0, 0x8, 0x611, 0x2, 0x90, 0xff, 0x7ff, 0xe6, 0xfb5, 0x5, 0x0, 0x5, 0x8, 0x7fff, 0x0, 0x7, 0x1, 0x0, 0x0, 0x0, 0x46, 0x3e, 0x8, 0x9, 0x6, 0x8, 0x6, 0x2c2, 0xc1, 0x89f, 0x3, 0x4, 0xffffff00, 0xb6, 0x19, 0x9, 0x2, 0x1, 0xffffff81, 0x7fffffff, 0x7, 0x75, 0x8a, 0x41bf3ba7, 0x80, 0x1b6], [0x1150, 0x81, 0x13, 0x5, 0xff, 0x1, 0x2, 0x7fff, 0x6, 0x10000, 0x7, 0x98be, 0x301d9859, 0x2, 0xd550, 0x2, 0x5, 0x0, 0x4, 0xfff, 0x80, 0x6, 0xfffffff9, 0x0, 0x1, 0xdad, 0x6, 0x5, 0x5, 0x6, 0x4, 0x0, 0x6, 0xffffffff, 0x0, 0x6, 0x5, 0x1000, 0x8001, 0x4, 0x8, 0x1, 0x9, 0x4, 0x4fcc, 0x3, 0x1ff, 0x10001, 0x1, 0xca, 0x7ab, 0x5, 0x4ffb1e3c, 0x3, 0xfffffff9, 0x8, 0x5, 0xfffffff9, 0x8001, 0x1a7, 0x8, 0x4, 0x2, 0x3], 0x2e, ['()\x1d+\x00', '\\\x00', '\'\x00', '/dev/input/mouse#\x00', '*}!,^{)+/@\x05^&+[\x00', '{.\x00']}, [""]}, 0x450}, 0x1, 0x0, 0x0, 0x4040004}, 0x20) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x6, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}]}) clock_gettime(0x0, &(0x7f0000000080)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000bbdc0200", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) (async) sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x64, r0, 0x10, 0x70bd29, 0x25dfdbfc, {}, [@WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e22}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e23}, @WGDEVICE_A_PEERS={0x1c, 0x8, 0x0, 0x1, [{0x18, 0x0, 0x0, 0x1, [@WGPEER_A_ENDPOINT4={0x14, 0x4, {0x2, 0x4e20, @loopback}}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000801}, 0x4) (async) syz_open_dev$mouse(&(0x7f0000000000), 0x80000000, 0x444b02) (async) setsockopt$X25_QBITINCL(r1, 0x106, 0x1, &(0x7f0000000040), 0x4) (async) socket$phonet_pipe(0x23, 0x5, 0x2) (async) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_audit(0x10, 0x3, 0x9) (async) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f0000000600)={0x450, 0x3f3, 0x200, 0x70bd27, 0x25dfdbff, {0x4, 0x2, 0x4, [0x6, 0x498, 0x9, 0x80, 0x4, 0x4, 0x5, 0x5, 0x5, 0x3ff, 0x8, 0x3, 0x1, 0xeed, 0x5, 0x102, 0x10001, 0xb0, 0x2, 0x8, 0x4eb318d2, 0x1, 0xaba, 0x7, 0x2691, 0xffffffe1, 0x0, 0x80, 0x5, 0x100, 0xffff, 0x80000000, 0xabb, 0x80000001, 0x2, 0x3ff, 0x6, 0x1000, 0x80, 0x7, 0xfff, 0x8, 0x9, 0x1, 0x80, 0x3, 0x40, 0x9, 0x3ff, 0xff, 0x10001, 0x3, 0x0, 0x3f, 0xfa3, 0x7, 0x9, 0x1, 0x3, 0x400, 0x5, 0x800, 0x200, 0x1], [0x7f, 0x8001, 0x7ff, 0xe0a2ef1c, 0x2ce, 0x7, 0x10000, 0xfffffff8, 0x1, 0x5, 0x1000, 0x200, 0x4, 0x2, 0x2, 0x310, 0x6, 0x0, 0x40, 0x3, 0x14, 0x8, 0x7, 0x2, 0x0, 0x4, 0xb958, 0x81, 0x100, 0x9, 0x435c, 0x80, 0x10000, 0xffffffff, 0x40, 0x81, 0xfffffffc, 0xffffffff, 0x6, 0x6, 0xfffffffd, 0x6, 0x73, 0x7, 0x5, 0x6, 0x1, 0x46, 0x3ff, 0x7f, 0x400000, 0xffffffd9, 0x3, 0x9, 0x8001, 0x3, 0x2, 0x1f, 0xfce, 0x1, 0x0, 0x6, 0x40, 0x8], [0x0, 0x0, 0xde, 0xed6, 0x0, 0x9, 0xffffffff, 0x8, 0x6, 0xb98, 0x0, 0x2, 0xfffff1f0, 0x40, 0x3, 0x2, 0xcd, 0xfffff800, 0x0, 0x8, 0x611, 0x2, 0x90, 0xff, 0x7ff, 0xe6, 0xfb5, 0x5, 0x0, 0x5, 0x8, 0x7fff, 0x0, 0x7, 0x1, 0x0, 0x0, 0x0, 0x46, 0x3e, 0x8, 0x9, 0x6, 0x8, 0x6, 0x2c2, 0xc1, 0x89f, 0x3, 0x4, 0xffffff00, 0xb6, 0x19, 0x9, 0x2, 0x1, 0xffffff81, 0x7fffffff, 0x7, 0x75, 0x8a, 0x41bf3ba7, 0x80, 0x1b6], [0x1150, 0x81, 0x13, 0x5, 0xff, 0x1, 0x2, 0x7fff, 0x6, 0x10000, 0x7, 0x98be, 0x301d9859, 0x2, 0xd550, 0x2, 0x5, 0x0, 0x4, 0xfff, 0x80, 0x6, 0xfffffff9, 0x0, 0x1, 0xdad, 0x6, 0x5, 0x5, 0x6, 0x4, 0x0, 0x6, 0xffffffff, 0x0, 0x6, 0x5, 0x1000, 0x8001, 0x4, 0x8, 0x1, 0x9, 0x4, 0x4fcc, 0x3, 0x1ff, 0x10001, 0x1, 0xca, 0x7ab, 0x5, 0x4ffb1e3c, 0x3, 0xfffffff9, 0x8, 0x5, 0xfffffff9, 0x8001, 0x1a7, 0x8, 0x4, 0x2, 0x3], 0x2e, ['()\x1d+\x00', '\\\x00', '\'\x00', '/dev/input/mouse#\x00', '*}!,^{)+/@\x05^&+[\x00', '{.\x00']}, [""]}, 0x450}, 0x1, 0x0, 0x0, 0x4040004}, 0x20) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) (async) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x6, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}]}) (async) clock_gettime(0x0, &(0x7f0000000080)) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000bbdc0200", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) (async) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x100, 0x22040) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) 07:28:55 executing program 4: r0 = syz_open_dev$media(&(0x7f0000000000), 0x10000002000002, 0x28101) r1 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_LIST_RULES(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x10, 0x70bd27, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x8000}, 0x4) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$WG_CMD_SET_DEVICE(r3, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000600)={0x39c, 0x0, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@WGDEVICE_A_PEERS={0x348, 0x8, 0x0, 0x1, [{0x344, 0x0, 0x0, 0x1, [@WGPEER_A_ALLOWEDIPS={0x148, 0x9, 0x0, 0x1, [{0xac, 0x0, 0x0, 0x1, [@ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}]}, {0x94, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @dev={0xac, 0x14, 0x14, 0x17}}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @local}, {0x5, 0x3, 0x2}}]}, {0x4}]}, @WGPEER_A_ALLOWEDIPS={0x20, 0x9, 0x0, 0x1, [{0x1c, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x1}}]}]}, @WGPEER_A_ALLOWEDIPS={0x1d8, 0x9, 0x0, 0x1, [{0x64, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @local}}, {0x5, 0x3, 0x1}}]}, {0x88, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5, 0x3, 0x3}}]}, {0xe8, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010102}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @empty}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}]}]}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_PRIVATE_KEY={0x24, 0x3, @a}]}, 0x39c}, 0x1, 0x0, 0x0, 0x4044}, 0xc1) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_GET(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_LEN={0x5}, @L2TP_ATTR_PEER_COOKIE={0xc}]}, 0x28}}, 0x0) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r3, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xf3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20008000}, 0xc010) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$L2TP_CMD_SESSION_GET(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_L2SPEC_LEN={0x5}, @L2TP_ATTR_PEER_COOKIE={0xc}]}, 0x28}}, 0x0) (async) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r3, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xf3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20008000}, 0xc010) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x5, 0xa, 0x7fffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r7 = syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x10002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xa8, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r2, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000140)=0x5, 0x4) getsockname$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) bind$netlink(0xffffffffffffffff, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfe, 0x400}, 0xc) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) 07:28:55 executing program 4: r0 = syz_open_dev$media(&(0x7f0000000000), 0x10000002000002, 0x28101) (async) r1 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$AUDIT_LIST_RULES(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x10, 0x70bd27, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x8000}, 0x4) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$WG_CMD_SET_DEVICE(r3, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000600)={0x39c, 0x0, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@WGDEVICE_A_PEERS={0x348, 0x8, 0x0, 0x1, [{0x344, 0x0, 0x0, 0x1, [@WGPEER_A_ALLOWEDIPS={0x148, 0x9, 0x0, 0x1, [{0xac, 0x0, 0x0, 0x1, [@ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}]}, {0x94, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @dev={0xac, 0x14, 0x14, 0x17}}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x2}}, @ipv4={{0x6}, {0x8, 0x2, @local}, {0x5, 0x3, 0x2}}]}, {0x4}]}, @WGPEER_A_ALLOWEDIPS={0x20, 0x9, 0x0, 0x1, [{0x1c, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x1}}]}]}, @WGPEER_A_ALLOWEDIPS={0x1d8, 0x9, 0x0, 0x1, [{0x64, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5, 0x3, 0x1}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @local}}, {0x5, 0x3, 0x1}}]}, {0x88, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @multicast1}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, {0x5, 0x3, 0x3}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5, 0x3, 0x3}}]}, {0xe8, 0x0, 0x0, 0x1, [@ipv4={{0x6}, {0x8, 0x2, @loopback}, {0x5, 0x3, 0x3}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010100}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @private=0xa010102}, {0x5, 0x3, 0x1}}, @ipv4={{0x6}, {0x8, 0x2, @empty}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, {0x5, 0x3, 0x2}}, @ipv6={{0x6}, {0x14, 0x2, @local}, {0x5}}, @ipv6={{0x6}, {0x14, 0x2, @loopback}, {0x5}}, @ipv4={{0x6}, {0x8, 0x2, @multicast2}, {0x5, 0x3, 0x3}}]}]}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_PRIVATE_KEY={0x24, 0x3, @a}]}, 0x39c}, 0x1, 0x0, 0x0, 0x4044}, 0xc1) [ 2953.863643] nbd: must specify a device to reconfigure 07:28:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) 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(&(0x7f0000000340), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) (async) 07:28:55 executing program 5: r0 = syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x64, r0, 0x10, 0x70bd29, 0x25dfdbfc, {}, [@WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e22}, @WGDEVICE_A_LISTEN_PORT={0x6, 0x6, 0x4e23}, @WGDEVICE_A_PEERS={0x1c, 0x8, 0x0, 0x1, [{0x18, 0x0, 0x0, 0x1, [@WGPEER_A_ENDPOINT4={0x14, 0x4, {0x2, 0x4e20, @loopback}}]}]}, @WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000801}, 0x4) (async) r1 = syz_open_dev$mouse(&(0x7f0000000000), 0x80000000, 0x444b02) setsockopt$X25_QBITINCL(r1, 0x106, 0x1, &(0x7f0000000040), 0x4) r2 = socket$phonet_pipe(0x23, 0x5, 0x2) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f0000000600)={0x450, 0x3f3, 0x200, 0x70bd27, 0x25dfdbff, {0x4, 0x2, 0x4, [0x6, 0x498, 0x9, 0x80, 0x4, 0x4, 0x5, 0x5, 0x5, 0x3ff, 0x8, 0x3, 0x1, 0xeed, 0x5, 0x102, 0x10001, 0xb0, 0x2, 0x8, 0x4eb318d2, 0x1, 0xaba, 0x7, 0x2691, 0xffffffe1, 0x0, 0x80, 0x5, 0x100, 0xffff, 0x80000000, 0xabb, 0x80000001, 0x2, 0x3ff, 0x6, 0x1000, 0x80, 0x7, 0xfff, 0x8, 0x9, 0x1, 0x80, 0x3, 0x40, 0x9, 0x3ff, 0xff, 0x10001, 0x3, 0x0, 0x3f, 0xfa3, 0x7, 0x9, 0x1, 0x3, 0x400, 0x5, 0x800, 0x200, 0x1], [0x7f, 0x8001, 0x7ff, 0xe0a2ef1c, 0x2ce, 0x7, 0x10000, 0xfffffff8, 0x1, 0x5, 0x1000, 0x200, 0x4, 0x2, 0x2, 0x310, 0x6, 0x0, 0x40, 0x3, 0x14, 0x8, 0x7, 0x2, 0x0, 0x4, 0xb958, 0x81, 0x100, 0x9, 0x435c, 0x80, 0x10000, 0xffffffff, 0x40, 0x81, 0xfffffffc, 0xffffffff, 0x6, 0x6, 0xfffffffd, 0x6, 0x73, 0x7, 0x5, 0x6, 0x1, 0x46, 0x3ff, 0x7f, 0x400000, 0xffffffd9, 0x3, 0x9, 0x8001, 0x3, 0x2, 0x1f, 0xfce, 0x1, 0x0, 0x6, 0x40, 0x8], [0x0, 0x0, 0xde, 0xed6, 0x0, 0x9, 0xffffffff, 0x8, 0x6, 0xb98, 0x0, 0x2, 0xfffff1f0, 0x40, 0x3, 0x2, 0xcd, 0xfffff800, 0x0, 0x8, 0x611, 0x2, 0x90, 0xff, 0x7ff, 0xe6, 0xfb5, 0x5, 0x0, 0x5, 0x8, 0x7fff, 0x0, 0x7, 0x1, 0x0, 0x0, 0x0, 0x46, 0x3e, 0x8, 0x9, 0x6, 0x8, 0x6, 0x2c2, 0xc1, 0x89f, 0x3, 0x4, 0xffffff00, 0xb6, 0x19, 0x9, 0x2, 0x1, 0xffffff81, 0x7fffffff, 0x7, 0x75, 0x8a, 0x41bf3ba7, 0x80, 0x1b6], [0x1150, 0x81, 0x13, 0x5, 0xff, 0x1, 0x2, 0x7fff, 0x6, 0x10000, 0x7, 0x98be, 0x301d9859, 0x2, 0xd550, 0x2, 0x5, 0x0, 0x4, 0xfff, 0x80, 0x6, 0xfffffff9, 0x0, 0x1, 0xdad, 0x6, 0x5, 0x5, 0x6, 0x4, 0x0, 0x6, 0xffffffff, 0x0, 0x6, 0x5, 0x1000, 0x8001, 0x4, 0x8, 0x1, 0x9, 0x4, 0x4fcc, 0x3, 0x1ff, 0x10001, 0x1, 0xca, 0x7ab, 0x5, 0x4ffb1e3c, 0x3, 0xfffffff9, 0x8, 0x5, 0xfffffff9, 0x8001, 0x1a7, 0x8, 0x4, 0x2, 0x3], 0x2e, ['()\x1d+\x00', '\\\x00', '\'\x00', '/dev/input/mouse#\x00', '*}!,^{)+/@\x05^&+[\x00', '{.\x00']}, [""]}, 0x450}, 0x1, 0x0, 0x0, 0x4040004}, 0x20) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x6, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}]}) (async) clock_gettime(0x0, &(0x7f0000000080)) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000bbdc0200", @ANYRES16=r6, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:55 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r2, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000140)=0x5, 0x4) getsockname$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) bind$netlink(0xffffffffffffffff, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfe, 0x400}, 0xc) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) 07:28:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x8c, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40080c5}, 0x8000) 07:28:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x5, 0xa, 0x7fffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r7 = syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x10002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xa8, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x5, 0xa, 0x7fffffff, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x10002) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xa8, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) (async) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) r3 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) getsockopt$packet_buf(r5, 0x107, 0x2, &(0x7f0000000280)=""/150, &(0x7f0000000340)=0x96) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000200)={r4, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000001c0)={r4, &(0x7f0000000000), &(0x7f0000000140)}) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r2, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000140)=0x5, 0x4) getsockname$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) bind$netlink(0xffffffffffffffff, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfe, 0x400}, 0xc) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r2, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000140)=0x5, 0x4) (async) getsockname$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) (async) bind$netlink(0xffffffffffffffff, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfe, 0x400}, 0xc) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) (async) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) (async) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x5, 0xa, 0x7fffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r7 = syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x10002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xa8, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) 07:28:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) 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(&(0x7f0000000340), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) (async) [ 2953.974872] nbd: must specify a device to reconfigure [ 2953.992631] nbd: must specify a device to reconfigure 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x8c, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40080c5}, 0x8000) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async, rerun: 64) r3 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (rerun: 64) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) (async, rerun: 32) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (rerun: 32) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) getsockopt$packet_buf(r5, 0x107, 0x2, &(0x7f0000000280)=""/150, &(0x7f0000000340)=0x96) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000200)={r4, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000001c0)={r4, &(0x7f0000000000), &(0x7f0000000140)}) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$pppoe(0x18, 0x1, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_open_dev$mouse(0x0, 0x0, 0x1ace02) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2954.083411] nbd: must specify a device to reconfigure 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$pppoe(0x18, 0x1, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) socket$pppoe(0x18, 0x1, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) [ 2954.105454] nbd: must specify a device to reconfigure 07:28:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x1ace02) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x8c, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40080c5}, 0x8000) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x8c, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40080c5}, 0x8000) (async) 07:28:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x16) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x8, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair(0x15, 0x80000, 0xfffffffd, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0xa0, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x0) [ 2954.140288] nbd: must specify a device to reconfigure 07:28:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) syz_open_dev$mouse(0x0, 0x0, 0x1ace02) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$pppoe(0x18, 0x1, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) r3 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r5, 0xc0347c03, 0x0) getsockopt$packet_buf(r5, 0x107, 0x2, &(0x7f0000000280)=""/150, &(0x7f0000000340)=0x96) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000200)={r4, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000001c0)={r4, &(0x7f0000000000), &(0x7f0000000140)}) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) 07:28:56 executing program 3: openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x7c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff80000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1db1db15}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x656b}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x14) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) r5 = syz_open_dev$mouse(&(0x7f0000000180), 0x61, 0x6b4f30fc5cbf7834) socketpair(0xa, 0x4, 0x9, &(0x7f00000002c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x6, 0x800, 0x3f, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x80081, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)={0xdc, r4, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff801}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x165}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xb9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x8000}, 0x810) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x70, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x47b4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@*^/\''}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000001}, 0x20008000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:28:56 executing program 3: openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) (async) [ 2954.274475] nbd: must specify an index to disconnect 07:28:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x16) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x8, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair(0x15, 0x80000, 0xfffffffd, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0xa0, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x0) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{0x80000000}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) r3 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0) r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r4, &(0x7f00000001c0)={0x1f, @none}, 0x8) r5 = syz_open_dev$media(&(0x7f0000000280), 0x20, 0x8040) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000380)={r1, &(0x7f00000002c0), &(0x7f0000000300)=[{}, {{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r5, 0xc0287c02, &(0x7f0000000480)={r6, &(0x7f00000003c0), &(0x7f0000000400)}) ioctl$VHOST_VDPA_GET_VQS_COUNT(r3, 0x8004af80, &(0x7f0000000140)) syz_open_dev$media(&(0x7f0000000180), 0x7fffffff, 0x80040) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x11) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) 07:28:56 executing program 3: openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) 07:28:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x16) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x8, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair(0x15, 0x80000, 0xfffffffd, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0xa0, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x0) socket$netlink(0x10, 0x3, 0x16) (async) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x8, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) socketpair(0x15, 0x80000, 0xfffffffd, &(0x7f0000000200)) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0xa0, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) [ 2954.363910] nbd: must specify an index to disconnect 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x11) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{0x80000000}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) (async, rerun: 32) r3 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0) (rerun: 32) r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r4, &(0x7f00000001c0)={0x1f, @none}, 0x8) r5 = syz_open_dev$media(&(0x7f0000000280), 0x20, 0x8040) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000380)={r1, &(0x7f00000002c0), &(0x7f0000000300)=[{}, {{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r5, 0xc0287c02, &(0x7f0000000480)={r6, &(0x7f00000003c0), &(0x7f0000000400)}) (async, rerun: 32) ioctl$VHOST_VDPA_GET_VQS_COUNT(r3, 0x8004af80, &(0x7f0000000140)) (rerun: 32) syz_open_dev$media(&(0x7f0000000180), 0x7fffffff, 0x80040) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f0000000000), &(0x7f0000000400)}) (async) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x7c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff80000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1db1db15}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x656b}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x14) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) r5 = syz_open_dev$mouse(&(0x7f0000000180), 0x61, 0x6b4f30fc5cbf7834) (async) socketpair(0xa, 0x4, 0x9, &(0x7f00000002c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x6, 0x800, 0x3f, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x80081, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)={0xdc, r4, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff801}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x165}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xb9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x8000}, 0x810) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x70, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x47b4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@*^/\''}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000001}, 0x20008000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) [ 2954.396965] nbd: must specify a device to reconfigure 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x11) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{0x80000000}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) r3 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0) r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r4, &(0x7f00000001c0)={0x1f, @none}, 0x8) r5 = syz_open_dev$media(&(0x7f0000000280), 0x20, 0x8040) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000380)={r1, &(0x7f00000002c0), &(0x7f0000000300)=[{}, {{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r5, 0xc0287c02, &(0x7f0000000480)={r6, &(0x7f00000003c0), &(0x7f0000000400)}) ioctl$VHOST_VDPA_GET_VQS_COUNT(r3, 0x8004af80, &(0x7f0000000140)) syz_open_dev$media(&(0x7f0000000180), 0x7fffffff, 0x80040) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) (async) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0) (async) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) (async) bind$bt_sco(r4, &(0x7f00000001c0)={0x1f, @none}, 0x8) (async) syz_open_dev$media(&(0x7f0000000280), 0x20, 0x8040) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000380)={r1, &(0x7f00000002c0), &(0x7f0000000300)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r5, 0xc0287c02, &(0x7f0000000480)={r6, &(0x7f00000003c0), &(0x7f0000000400)}) (async) ioctl$VHOST_VDPA_GET_VQS_COUNT(r3, 0x8004af80, &(0x7f0000000140)) (async) syz_open_dev$media(&(0x7f0000000180), 0x7fffffff, 0x80040) (async) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10, 0x800) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) [ 2954.486397] nbd: must specify an index to disconnect 07:28:56 executing program 1: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f00000004c0)={{&(0x7f0000000440)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_str={@format={'Cy', '2', 'RingAsymTx\x00'}, {"b7277c943e2f7730660b0a6105623f4c4b38b74c8383ddfabcc3935b3ef68d3d671d21c17d129d469d2d8669cd1cdb8b5141bc56279687a704708837bebb9418"}, {&(0x7f0000000100)=@adf_hex={@normal='NumberCyInstances\x00', {0xccec}}}}}, {&(0x7f0000000040)={'Accelerator0\x00'}}}}, 0x2}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYRESHEX=r1, @ANYRESOCT=r2, @ANYBLOB="93da7484063e5adae5450a2c15202dad519c90ddbe73d19a8dc0f2fdce6d036d66f101512b4d040a3d1684dae01e891e898cc4f631208d82e08a7e45368527ab1bac4345d6c17d5de84cbdaffa8593cac79948e9ed757b7acde62c9d2c584efa4300f522782b8ade2a45df391bc0bd30185018c1d3814adac8e6f7949f0354e0d5c1a8fc0c760f3fac7a01ba6f78e5c7291102dccb73c96548bb3994f244890a61bea216f4d9", @ANYRESOCT=r3], 0x14}, 0x1, 0x0, 0x0, 0x844}, 0x20048040) 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x7c, r2, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff80000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1db1db15}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x656b}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x14) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async, rerun: 32) r5 = syz_open_dev$mouse(&(0x7f0000000180), 0x61, 0x6b4f30fc5cbf7834) (async) socketpair(0xa, 0x4, 0x9, &(0x7f00000002c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async, rerun: 32) socketpair(0x6, 0x800, 0x3f, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 32) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x80081, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)={0xdc, r4, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff801}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x165}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xb9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x8000}, 0x810) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x70, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x47b4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@*^/\''}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000001}, 0x20008000) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) [ 2954.529246] nbd: must specify a device to reconfigure 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10, 0x800) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, 0x0, &(0x7f0000000040)}) 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 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$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r3, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008c1}, 0x4008005) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:28:56 executing program 1: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f00000004c0)={{&(0x7f0000000440)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_str={@format={'Cy', '2', 'RingAsymTx\x00'}, {"b7277c943e2f7730660b0a6105623f4c4b38b74c8383ddfabcc3935b3ef68d3d671d21c17d129d469d2d8669cd1cdb8b5141bc56279687a704708837bebb9418"}, {&(0x7f0000000100)=@adf_hex={@normal='NumberCyInstances\x00', {0xccec}}}}}, {&(0x7f0000000040)={'Accelerator0\x00'}}}}, 0x2}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYRESHEX=r1, @ANYRESOCT=r2, @ANYBLOB="93da7484063e5adae5450a2c15202dad519c90ddbe73d19a8dc0f2fdce6d036d66f101512b4d040a3d1684dae01e891e898cc4f631208d82e08a7e45368527ab1bac4345d6c17d5de84cbdaffa8593cac79948e9ed757b7acde62c9d2c584efa4300f522782b8ade2a45df391bc0bd30185018c1d3814adac8e6f7949f0354e0d5c1a8fc0c760f3fac7a01ba6f78e5c7291102dccb73c96548bb3994f244890a61bea216f4d9", @ANYRESOCT=r3], 0x14}, 0x1, 0x0, 0x0, 0x844}, 0x20048040) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) (async) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f00000004c0)={{&(0x7f0000000440)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_str={@format={'Cy', '2', 'RingAsymTx\x00'}, {"b7277c943e2f7730660b0a6105623f4c4b38b74c8383ddfabcc3935b3ef68d3d671d21c17d129d469d2d8669cd1cdb8b5141bc56279687a704708837bebb9418"}, {&(0x7f0000000100)=@adf_hex={@normal='NumberCyInstances\x00', {0xccec}}}}}, {&(0x7f0000000040)={'Accelerator0\x00'}}}}, 0x2}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYRESHEX=r1, @ANYRESOCT=r2, @ANYBLOB="93da7484063e5adae5450a2c15202dad519c90ddbe73d19a8dc0f2fdce6d036d66f101512b4d040a3d1684dae01e891e898cc4f631208d82e08a7e45368527ab1bac4345d6c17d5de84cbdaffa8593cac79948e9ed757b7acde62c9d2c584efa4300f522782b8ade2a45df391bc0bd30185018c1d3814adac8e6f7949f0354e0d5c1a8fc0c760f3fac7a01ba6f78e5c7291102dccb73c96548bb3994f244890a61bea216f4d9", @ANYRESOCT=r3], 0x14}, 0x1, 0x0, 0x0, 0x844}, 0x20048040) (async) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10, 0x800) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10, 0x800) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, 0x0, &(0x7f0000000040)}) 07:28:56 executing program 1: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f00000004c0)={{&(0x7f0000000440)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_str={@format={'Cy', '2', 'RingAsymTx\x00'}, {"b7277c943e2f7730660b0a6105623f4c4b38b74c8383ddfabcc3935b3ef68d3d671d21c17d129d469d2d8669cd1cdb8b5141bc56279687a704708837bebb9418"}, {&(0x7f0000000100)=@adf_hex={@normal='NumberCyInstances\x00', {0xccec}}}}}, {&(0x7f0000000040)={'Accelerator0\x00'}}}}, 0x2}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYRESHEX=r1, @ANYRESOCT=r2, @ANYBLOB="93da7484063e5adae5450a2c15202dad519c90ddbe73d19a8dc0f2fdce6d036d66f101512b4d040a3d1684dae01e891e898cc4f631208d82e08a7e45368527ab1bac4345d6c17d5de84cbdaffa8593cac79948e9ed757b7acde62c9d2c584efa4300f522782b8ade2a45df391bc0bd30185018c1d3814adac8e6f7949f0354e0d5c1a8fc0c760f3fac7a01ba6f78e5c7291102dccb73c96548bb3994f244890a61bea216f4d9", @ANYRESOCT=r3], 0x14}, 0x1, 0x0, 0x0, 0x844}, 0x20048040) [ 2954.663487] nbd: must specify a device to reconfigure 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) r4 = getpid() write$cgroup_pid(r3, &(0x7f0000000040)=r4, 0x12) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, 0x0, &(0x7f0000000040)}) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000), &(0x7f0000000040)}) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f00000001c0)=0x401, 0x4) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f0000000200)=[{}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) setsockopt$netlink_NETLINK_BROADCAST_ERROR(0xffffffffffffffff, 0x10e, 0x4, &(0x7f0000000180)=0x960b, 0x4) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x7}, 0x2) [ 2954.702245] nbd: must specify an index to disconnect 07:28:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) r4 = getpid() write$cgroup_pid(r3, &(0x7f0000000040)=r4, 0x12) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) (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$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r3, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008c1}, 0x4008005) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$inet6_udplite(0xa, 0x2, 0x88) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000), &(0x7f0000000040)}) (async) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f00000001c0)=0x401, 0x4) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f0000000200)=[{}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) setsockopt$netlink_NETLINK_BROADCAST_ERROR(0xffffffffffffffff, 0x10e, 0x4, &(0x7f0000000180)=0x960b, 0x4) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x7}, 0x2) 07:28:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='9', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) setsockopt$X25_QBITINCL(0xffffffffffffffff, 0x106, 0x1, &(0x7f0000000000)=0x1, 0x4) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2208}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYRES64=r3, @ANYRES16=r5, @ANYBLOB="45b73af987a1437f280ae229e732c785eeebe9bd8f837a87b2d522bc73e896d9f562f4d4588e47e693594512454a63b90617c60f52d15fbd6c8da3f8089bb31938541310b83128e160cfa8f8bb7b645db12afe9690a99dbd8812e911004597588894412bc4ac96601e43861bd7b2b434930fc877"], 0x14}}, 0xc04c000) 07:28:56 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) setsockopt$X25_QBITINCL(0xffffffffffffffff, 0x106, 0x1, &(0x7f0000000000)=0x1, 0x4) 07:28:56 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$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='9', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 07:28:56 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000), &(0x7f0000000040)}) r2 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f00000001c0)=0x401, 0x4) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f0000000200)=[{}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) setsockopt$netlink_NETLINK_BROADCAST_ERROR(0xffffffffffffffff, 0x10e, 0x4, &(0x7f0000000180)=0x960b, 0x4) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x7}, 0x2) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) socket$inet6_udplite(0xa, 0x2, 0x88) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000), &(0x7f0000000040)}) (async) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f00000001c0)=0x401, 0x4) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f0000000200)=[{}], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) setsockopt$netlink_NETLINK_BROADCAST_ERROR(0xffffffffffffffff, 0x10e, 0x4, &(0x7f0000000180)=0x960b, 0x4) (async) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x7}, 0x2) (async) 07:28:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r3, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008c1}, 0x4008005) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r3, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008c1}, 0x4008005) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 07:28:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2208}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYRES64=r3, @ANYRES16=r5, @ANYBLOB="45b73af987a1437f280ae229e732c785eeebe9bd8f837a87b2d522bc73e896d9f562f4d4588e47e693594512454a63b90617c60f52d15fbd6c8da3f8089bb31938541310b83128e160cfa8f8bb7b645db12afe9690a99dbd8812e911004597588894412bc4ac96601e43861bd7b2b434930fc877"], 0x14}}, 0xc04c000) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) r4 = getpid() write$cgroup_pid(r3, &(0x7f0000000040)=r4, 0x12) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) setsockopt$X25_QBITINCL(0xffffffffffffffff, 0x106, 0x1, &(0x7f0000000000)=0x1, 0x4) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) setsockopt$X25_QBITINCL(0xffffffffffffffff, 0x106, 0x1, &(0x7f0000000000)=0x1, 0x4) (async) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='9', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2208}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYRES64=r3, @ANYRES16=r5, @ANYBLOB="45b73af987a1437f280ae229e732c785eeebe9bd8f837a87b2d522bc73e896d9f562f4d4588e47e693594512454a63b90617c60f52d15fbd6c8da3f8089bb31938541310b83128e160cfa8f8bb7b645db12afe9690a99dbd8812e911004597588894412bc4ac96601e43861bd7b2b434930fc877"], 0x14}}, 0xc04c000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2208}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 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$nbd(&(0x7f0000000240), r1) (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYRES64=r3, @ANYRES16=r5, @ANYBLOB="45b73af987a1437f280ae229e732c785eeebe9bd8f837a87b2d522bc73e896d9f562f4d4588e47e693594512454a63b90617c60f52d15fbd6c8da3f8089bb31938541310b83128e160cfa8f8bb7b645db12afe9690a99dbd8812e911004597588894412bc4ac96601e43861bd7b2b434930fc877"], 0x14}}, 0xc04c000) (async) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000280)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f00000002c0)={0x77359400}, 0x10) r2 = geteuid() sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@updpolicy={0xd0, 0x19, 0x100, 0x70bd28, 0x25dfdbff, {{@in6=@mcast1, @in6=@empty, 0x4e22, 0x0, 0x4e23, 0xc825, 0x2, 0x20, 0x180, 0x1, 0x0, r2}, {0x4, 0x1, 0x40, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x8, 0xfffffffffffffffe}, {0x1f, 0x2ba, 0xffff, 0x40}, 0xcc000000, 0x0, 0x0, 0x0, 0x2}, [@XFRMA_SET_MARK_MASK={0x8, 0x1e, 0xffffffff}, @replay_val={0x10, 0xa, {0x70bd26, 0x70bd2a, 0x40000000}}]}, 0xd0}, 0x1, 0x0, 0x0, 0x800}, 0x40800) syz_open_dev$mouse(&(0x7f0000000300), 0x200, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) [ 2954.981070] nbd: must specify an index to disconnect 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socket$phonet_pipe(0x23, 0x5, 0x2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="15f3af48", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) getsockname$packet(r2, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000140)=0x14) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000280)) (async) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f00000002c0)={0x77359400}, 0x10) (async) r2 = geteuid() sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@updpolicy={0xd0, 0x19, 0x100, 0x70bd28, 0x25dfdbff, {{@in6=@mcast1, @in6=@empty, 0x4e22, 0x0, 0x4e23, 0xc825, 0x2, 0x20, 0x180, 0x1, 0x0, r2}, {0x4, 0x1, 0x40, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x8, 0xfffffffffffffffe}, {0x1f, 0x2ba, 0xffff, 0x40}, 0xcc000000, 0x0, 0x0, 0x0, 0x2}, [@XFRMA_SET_MARK_MASK={0x8, 0x1e, 0xffffffff}, @replay_val={0x10, 0xa, {0x70bd26, 0x70bd2a, 0x40000000}}]}, 0xd0}, 0x1, 0x0, 0x0, 0x800}, 0x40800) (async) syz_open_dev$mouse(&(0x7f0000000300), 0x200, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:57 executing program 5: sendmsg$AUDIT_TTY_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x3f8, 0x100, 0x70bd2d, 0x25dfdbff, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x20044800}, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="140001004040ecc10000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 07:28:57 executing program 2: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_buf(r0, 0x107, 0xd, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socket$inet_udp(0x2, 0x2, 0x0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8004}, 0x4000) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x4000840) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) getsockname$packet(r2, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000140)=0x14) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socket$phonet_pipe(0x23, 0x5, 0x2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="15f3af48", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000280)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f00000002c0)={0x77359400}, 0x10) r2 = geteuid() sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@updpolicy={0xd0, 0x19, 0x100, 0x70bd28, 0x25dfdbff, {{@in6=@mcast1, @in6=@empty, 0x4e22, 0x0, 0x4e23, 0xc825, 0x2, 0x20, 0x180, 0x1, 0x0, r2}, {0x4, 0x1, 0x40, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x8, 0xfffffffffffffffe}, {0x1f, 0x2ba, 0xffff, 0x40}, 0xcc000000, 0x0, 0x0, 0x0, 0x2}, [@XFRMA_SET_MARK_MASK={0x8, 0x1e, 0xffffffff}, @replay_val={0x10, 0xa, {0x70bd26, 0x70bd2a, 0x40000000}}]}, 0xd0}, 0x1, 0x0, 0x0, 0x800}, 0x40800) syz_open_dev$mouse(&(0x7f0000000300), 0x200, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000280)) (async) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f00000002c0)={0x77359400}, 0x10) (async) geteuid() (async) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@updpolicy={0xd0, 0x19, 0x100, 0x70bd28, 0x25dfdbff, {{@in6=@mcast1, @in6=@empty, 0x4e22, 0x0, 0x4e23, 0xc825, 0x2, 0x20, 0x180, 0x1, 0x0, r2}, {0x4, 0x1, 0x40, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x8, 0xfffffffffffffffe}, {0x1f, 0x2ba, 0xffff, 0x40}, 0xcc000000, 0x0, 0x0, 0x0, 0x2}, [@XFRMA_SET_MARK_MASK={0x8, 0x1e, 0xffffffff}, @replay_val={0x10, 0xa, {0x70bd26, 0x70bd2a, 0x40000000}}]}, 0xd0}, 0x1, 0x0, 0x0, 0x800}, 0x40800) (async) syz_open_dev$mouse(&(0x7f0000000300), 0x200, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) getsockname$packet(r2, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000140)=0x14) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) getsockname$packet(r2, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000140)=0x14) (async) 07:28:57 executing program 5: sendmsg$AUDIT_TTY_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x3f8, 0x100, 0x70bd2d, 0x25dfdbff, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x20044800}, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="140001004040ecc10000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) (async) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socket$phonet_pipe(0x23, 0x5, 0x2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="15f3af48", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) socket$phonet_pipe(0x23, 0x5, 0x2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="15f3af48", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async) 07:28:57 executing program 2: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_buf(r0, 0x107, 0xd, 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socket$inet_udp(0x2, 0x2, 0x0) (async) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8004}, 0x4000) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x4000840) (rerun: 32) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) sendmsg$AUDIT_LIST_RULES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4000}, 0x8000) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000080)={r1, &(0x7f00000003c0)}) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r3, 0xc02064b2, &(0x7f0000000140)={0x5, 0xb76, 0xfff}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) 07:28:57 executing program 5: sendmsg$AUDIT_TTY_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x3f8, 0x100, 0x70bd2d, 0x25dfdbff, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x20044800}, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="140001004040ecc10000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) sendmsg$AUDIT_LIST_RULES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4000}, 0x8000) (async, rerun: 64) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000080)={r1, &(0x7f00000003c0)}) (rerun: 64) 07:28:57 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0xa, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000011900000c0002000000000000b2f8000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1, 0x1, 0x25dfdbfc}, 0x14}}, 0x8000) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000200)="abe581b84c7cb2e14cac50a6408d103939fc943284a92f79d10d867ed09cf81b6e988feb449d5dea09c540792d7598539228b18df1a7fe8f19f7de8b996d7fa75565d2b60025fcb9d9fea692424867022ad60b3f", 0x54) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="1fe86d97084ddf06701f156795edf1e47b04f7860bedc493817be7b02f53e840d64fe013728668ac001af0013791bbf831b0f2f337d7d7487cdc18b8f331d5c0c281abd76f35ee72e7498031c7dc67130d81616c6aacbb51f077cf7fc67f11c19a89e989c10b1a54f83b883e47aeaf0be03aadacbec5e8f8b4c03966c8c976f3337d0a68ac"], 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) recvfrom$packet(r4, &(0x7f0000000100), 0x0, 0x10040, &(0x7f0000000140)={0x11, 0x15, 0x0, 0x1, 0x80, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x14) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r3, 0xc02064b2, &(0x7f0000000140)={0x5, 0xb76, 0xfff}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) 07:28:57 executing program 2: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_buf(r0, 0x107, 0xd, 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) socket$inet_udp(0x2, 0x2, 0x0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8004}, 0x4000) (async) sendmsg$NBD_CMD_STATUS(r1, 0x0, 0x4000840) 07:28:57 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0xa, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000011900000c0002000000000000b2f8000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) sendmsg$AUDIT_LIST_RULES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3f5, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4000}, 0x8000) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000080)={r1, &(0x7f00000003c0)}) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1, 0x1, 0x25dfdbfc}, 0x14}}, 0x8000) [ 2955.397098] nbd: must specify a device to reconfigure 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000200)="abe581b84c7cb2e14cac50a6408d103939fc943284a92f79d10d867ed09cf81b6e988feb449d5dea09c540792d7598539228b18df1a7fe8f19f7de8b996d7fa75565d2b60025fcb9d9fea692424867022ad60b3f", 0x54) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="1fe86d97084ddf06701f156795edf1e47b04f7860bedc493817be7b02f53e840d64fe013728668ac001af0013791bbf831b0f2f337d7d7487cdc18b8f331d5c0c281abd76f35ee72e7498031c7dc67130d81616c6aacbb51f077cf7fc67f11c19a89e989c10b1a54f83b883e47aeaf0be03aadacbec5e8f8b4c03966c8c976f3337d0a68ac"], 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) recvfrom$packet(r4, &(0x7f0000000100), 0x0, 0x10040, &(0x7f0000000140)={0x11, 0x15, 0x0, 0x1, 0x80, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x14) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000200)="abe581b84c7cb2e14cac50a6408d103939fc943284a92f79d10d867ed09cf81b6e988feb449d5dea09c540792d7598539228b18df1a7fe8f19f7de8b996d7fa75565d2b60025fcb9d9fea692424867022ad60b3f", 0x54) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="1fe86d97084ddf06701f156795edf1e47b04f7860bedc493817be7b02f53e840d64fe013728668ac001af0013791bbf831b0f2f337d7d7487cdc18b8f331d5c0c281abd76f35ee72e7498031c7dc67130d81616c6aacbb51f077cf7fc67f11c19a89e989c10b1a54f83b883e47aeaf0be03aadacbec5e8f8b4c03966c8c976f3337d0a68ac"], 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x40000) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) (async) recvfrom$packet(r4, &(0x7f0000000100), 0x0, 0x10040, &(0x7f0000000140)={0x11, 0x15, 0x0, 0x1, 0x80, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x14) (async) 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000a80)='/proc/asound/card2/oss_mixer\x00', 0x9c280, 0x0) read$proc_mixer(r2, &(0x7f0000000ac0)=""/72, 0x48) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10, 0x800) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000040), &(0x7f0000000080)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f00000002c0)={0x0, 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000380)=[{}, {}, {}, {}], 0x3, 0x0, &(0x7f00000001c0)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x2, 0x0, &(0x7f0000000240)=[{}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000a00)={0x0, 0x1, 0x0, &(0x7f0000000540)=[{}], 0x3, 0x0, &(0x7f0000000640)=[{}, {}, {}], 0x8, 0x0, &(0x7f00000007c0)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}, {}], 0x7, 0x0, &(0x7f00000008c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f00000005c0)={{r3, r4, 0x7, [0x7, 0x7fffffff]}, {r5, 0x0, 0x1, [0x8, 0x1]}, 0x2, [0x1, 0x2]}) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r3, 0xc02064b2, &(0x7f0000000140)={0x5, 0xb76, 0xfff}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) 07:28:57 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0xa, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000011900000c0002000000000000b2f8000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) 07:28:57 executing program 0: accept4$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000040)=0x14, 0x800) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000280), 0xfff, 0x2000) select(0x40, &(0x7f00000002c0)={0x7f, 0x9, 0x27, 0x0, 0x9, 0x0, 0x8, 0xeea}, &(0x7f0000000300)={0x800, 0xfffffffffffffbff, 0x0, 0x0, 0x6, 0xffff, 0x1b2, 0x1f}, &(0x7f0000000340)={0x8000000000000001, 0x7, 0x1, 0xfffffffffffffff9, 0x3ff, 0x75, 0xfff, 0x800}, &(0x7f0000000380)={0x0, 0x2710}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) getpeername$netlink(0xffffffffffffffff, &(0x7f0000000180), &(0x7f00000001c0)=0xc) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x4000, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r2, 0xc0585609, &(0x7f0000000100)={0x2a1c3d71, 0x4, 0x4, 0x100, 0x4, {}, {0x3, 0x0, 0x8, 0x81, 0x2, 0x0, "5a6a9b55"}, 0xfffffeff, 0x4, {}, 0xfffffffb}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) [ 2955.492048] nbd: must specify a device to reconfigure 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1, 0x1, 0x25dfdbfc}, 0x14}}, 0x8000) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1, 0x1, 0x25dfdbfc}, 0x14}}, 0x8000) (async) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$packet_buf(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000200)="abe581b84c7cb2e14cac50a6408d103939fc943284a92f79d10d867ed09cf81b6e988feb449d5dea09c540792d7598539228b18df1a7fe8f19f7de8b996d7fa75565d2b60025fcb9d9fea692424867022ad60b3f", 0x54) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="1fe86d97084ddf06701f156795edf1e47b04f7860bedc493817be7b02f53e840d64fe013728668ac001af0013791bbf831b0f2f337d7d7487cdc18b8f331d5c0c281abd76f35ee72e7498031c7dc67130d81616c6aacbb51f077cf7fc67f11c19a89e989c10b1a54f83b883e47aeaf0be03aadacbec5e8f8b4c03966c8c976f3337d0a68ac"], 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x40000) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) (async, rerun: 32) recvfrom$packet(r4, &(0x7f0000000100), 0x0, 0x10040, &(0x7f0000000140)={0x11, 0x15, 0x0, 0x1, 0x80, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x14) (rerun: 32) 07:28:57 executing program 0: accept4$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000040)=0x14, 0x800) (async) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000280), 0xfff, 0x2000) select(0x40, &(0x7f00000002c0)={0x7f, 0x9, 0x27, 0x0, 0x9, 0x0, 0x8, 0xeea}, &(0x7f0000000300)={0x800, 0xfffffffffffffbff, 0x0, 0x0, 0x6, 0xffff, 0x1b2, 0x1f}, &(0x7f0000000340)={0x8000000000000001, 0x7, 0x1, 0xfffffffffffffff9, 0x3ff, 0x75, 0xfff, 0x800}, &(0x7f0000000380)={0x0, 0x2710}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) (async) getpeername$netlink(0xffffffffffffffff, &(0x7f0000000180), &(0x7f00000001c0)=0xc) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x4000, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r2, 0xc0585609, &(0x7f0000000100)={0x2a1c3d71, 0x4, 0x4, 0x100, 0x4, {}, {0x3, 0x0, 0x8, 0x81, 0x2, 0x0, "5a6a9b55"}, 0xfffffeff, 0x4, {}, 0xfffffffb}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4008005) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) r4 = syz_open_dev$mouse(&(0x7f00000002c0), 0x7, 0x412000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)={0x8c, 0x0, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x710}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x8c}}, 0x200040c0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x2a, 0x6, 0xb, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCX25GDTEFACILITIES(r6, 0x89ea, &(0x7f00000004c0)) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="0100000000000000000002001600"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r8, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10ab}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}}, 0x20046080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000000e7310f09c346213a570c0007c0f2ff1e7000020000000000000000000000144e4944f4a2ab60d45629039d9ce3db9e73918494ac1ddee7e0181951eea6b980ae53af0d7d934036b3798cda144fe67472ad518cc440ac4860529b34de80fed53d0d0c8fe4f2047a96dd40949e0e40db37db785dff6bf69f98d49fc294fcca1a9791a824bb1326879ad780d69f8a4f9b940cdfb0a4eaffcc3d7ad2abaf172be4", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff", @ANYRES8=r5, @ANYRESOCT, @ANYRESDEC=r1, @ANYRES8=r10, @ANYRES64, @ANYRES32=r4, @ANYRESHEX, @ANYRES32, @ANYRESOCT=r4], 0x38}}, 0x0) [ 2955.563413] nbd: must specify a device to reconfigure 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000a80)='/proc/asound/card2/oss_mixer\x00', 0x9c280, 0x0) read$proc_mixer(r2, &(0x7f0000000ac0)=""/72, 0x48) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10, 0x800) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000040), &(0x7f0000000080)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f00000002c0)={0x0, 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000380)=[{}, {}, {}, {}], 0x3, 0x0, &(0x7f00000001c0)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x2, 0x0, &(0x7f0000000240)=[{}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000a00)={0x0, 0x1, 0x0, &(0x7f0000000540)=[{}], 0x3, 0x0, &(0x7f0000000640)=[{}, {}, {}], 0x8, 0x0, &(0x7f00000007c0)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}, {}], 0x7, 0x0, &(0x7f00000008c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f00000005c0)={{r3, r4, 0x7, [0x7, 0x7fffffff]}, {r5, 0x0, 0x1, [0x8, 0x1]}, 0x2, [0x1, 0x2]}) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000a80)='/proc/asound/card2/oss_mixer\x00', 0x9c280, 0x0) (async) read$proc_mixer(r2, &(0x7f0000000ac0)=""/72, 0x48) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10, 0x800) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000040), &(0x7f0000000080)}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f00000002c0)={0x0, 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000380)=[{}, {}, {}, {}], 0x3, 0x0, &(0x7f00000001c0)=[{}, {}, {}], 0x2, 0x0, &(0x7f0000000240)=[{}, {}]}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000a00)={0x0, 0x1, 0x0, &(0x7f0000000540)=[{}], 0x3, 0x0, &(0x7f0000000640)=[{}, {}, {}], 0x8, 0x0, &(0x7f00000007c0)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x7, 0x0, &(0x7f00000008c0)=[{}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f00000005c0)={{r3, r4, 0x7, [0x7, 0x7fffffff]}, {r5, 0x0, 0x1, [0x8, 0x1]}, 0x2, [0x1, 0x2]}) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x4, 0x3}, 0x4) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000180)={'ip6_vti0\x00', &(0x7f0000000200)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty, @private0}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x60}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r3, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x229a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '/.'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x30041810}, 0x4000080) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="2c040000", @ANYRES16=0x0, @ANYBLOB="00082bbd7000fbdbdf2505000000050004000600000008001800ffffffff0500130020000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4014}, 0x4080) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="010200000000a829f315690bbad7"], 0x14}}, 0x0) [ 2955.592660] nbd: must specify a device to reconfigure 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) r2 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000a80)='/proc/asound/card2/oss_mixer\x00', 0x9c280, 0x0) read$proc_mixer(r2, &(0x7f0000000ac0)=""/72, 0x48) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10, 0x800) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000040), &(0x7f0000000080)=[{}, {{}, {0x80000000}}]}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f00000002c0)={0x0, 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000380)=[{}, {}, {}, {}], 0x3, 0x0, &(0x7f00000001c0)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x2, 0x0, &(0x7f0000000240)=[{}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000a00)={0x0, 0x1, 0x0, &(0x7f0000000540)=[{}], 0x3, 0x0, &(0x7f0000000640)=[{}, {}, {}], 0x8, 0x0, &(0x7f00000007c0)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}, {}], 0x7, 0x0, &(0x7f00000008c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f00000005c0)={{r3, r4, 0x7, [0x7, 0x7fffffff]}, {r5, 0x0, 0x1, [0x8, 0x1]}, 0x2, [0x1, 0x2]}) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:57 executing program 0: accept4$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000040)=0x14, 0x800) (async, rerun: 32) r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (rerun: 32) syz_open_dev$media(&(0x7f0000000280), 0xfff, 0x2000) (async) select(0x40, &(0x7f00000002c0)={0x7f, 0x9, 0x27, 0x0, 0x9, 0x0, 0x8, 0xeea}, &(0x7f0000000300)={0x800, 0xfffffffffffffbff, 0x0, 0x0, 0x6, 0xffff, 0x1b2, 0x1f}, &(0x7f0000000340)={0x8000000000000001, 0x7, 0x1, 0xfffffffffffffff9, 0x3ff, 0x75, 0xfff, 0x800}, &(0x7f0000000380)={0x0, 0x2710}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) (async) getpeername$netlink(0xffffffffffffffff, &(0x7f0000000180), &(0x7f00000001c0)=0xc) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x4000, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r2, 0xc0585609, &(0x7f0000000100)={0x2a1c3d71, 0x4, 0x4, 0x100, 0x4, {}, {0x3, 0x0, 0x8, 0x81, 0x2, 0x0, "5a6a9b55"}, 0xfffffeff, 0x4, {}, 0xfffffffb}) (async, rerun: 64) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (rerun: 64) 07:28:57 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$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="d506bdef0a09a2501af2d22e1aab8ace9d04c761e9418d792502745cc8e020caa2bdaf13522f23fdf521e8d27a7e", @ANYRES16=0x0, @ANYRESHEX=r0], 0x44}, 0x1, 0x0, 0x0, 0x4000811}, 0x40000) socketpair(0xa, 0x80004, 0x180000, &(0x7f0000000080)={0xffffffffffffffff}) sendto$x25(r2, &(0x7f0000000100)="78ef2c6ebb5c5264b8d08307e57cbaa2315e06c9e131dc25d798952aa2f4d6add857335dbc974fec32d573b71a93b9e4d97200b4ae6b391cb70f7e92f745647ea1f0352a2138b92908e7ccf9e0cfccbb218d905f58051dc50d7f872c6033270f77831839792b54c754f5f38605f8ff115887560b3ce755fb338f48191f20f448ed7e57758e2c3aeb519bac81dc1e7aacf72e45d4aed600", 0x97, 0x488d0, 0x0, 0x0) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4008005) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) r4 = syz_open_dev$mouse(&(0x7f00000002c0), 0x7, 0x412000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)={0x8c, 0x0, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x710}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x8c}}, 0x200040c0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x2a, 0x6, 0xb, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCX25GDTEFACILITIES(r6, 0x89ea, &(0x7f00000004c0)) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="0100000000000000000002001600"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r8, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10ab}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}}, 0x20046080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000000e7310f09c346213a570c0007c0f2ff1e7000020000000000000000000000144e4944f4a2ab60d45629039d9ce3db9e73918494ac1ddee7e0181951eea6b980ae53af0d7d934036b3798cda144fe67472ad518cc440ac4860529b34de80fed53d0d0c8fe4f2047a96dd40949e0e40db37db785dff6bf69f98d49fc294fcca1a9791a824bb1326879ad780d69f8a4f9b940cdfb0a4eaffcc3d7ad2abaf172be4", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff", @ANYRES8=r5, @ANYRESOCT, @ANYRESDEC=r1, @ANYRES8=r10, @ANYRES64, @ANYRES32=r4, @ANYRESHEX, @ANYRES32, @ANYRESOCT=r4], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4008005) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000006c0)) (async) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) syz_open_dev$mouse(&(0x7f00000002c0), 0x7, 0x412000) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)={0x8c, 0x0, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x710}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x8c}}, 0x200040c0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x2a, 0x6, 0xb, &(0x7f0000000480)) (async) ioctl$SIOCX25GDTEFACILITIES(r6, 0x89ea, &(0x7f00000004c0)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="0100000000000000000002001600"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r8, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10ab}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}}, 0x20046080) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000000e7310f09c346213a570c0007c0f2ff1e7000020000000000000000000000144e4944f4a2ab60d45629039d9ce3db9e73918494ac1ddee7e0181951eea6b980ae53af0d7d934036b3798cda144fe67472ad518cc440ac4860529b34de80fed53d0d0c8fe4f2047a96dd40949e0e40db37db785dff6bf69f98d49fc294fcca1a9791a824bb1326879ad780d69f8a4f9b940cdfb0a4eaffcc3d7ad2abaf172be4", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff", @ANYRES8=r5, @ANYRESOCT, @ANYRESDEC=r1, @ANYRES8=r10, @ANYRES64, @ANYRES32=r4, @ANYRESHEX, @ANYRES32, @ANYRESOCT=r4], 0x38}}, 0x0) (async) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x4, 0x3}, 0x4) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) [ 2955.647190] nbd: must specify an index to disconnect 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x3) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000180)={'ip6_vti0\x00', &(0x7f0000000200)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty, @private0}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x60}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r3, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x229a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '/.'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x30041810}, 0x4000080) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="2c040000", @ANYRES16=0x0, @ANYBLOB="00082bbd7000fbdbdf2505000000050004000600000008001800ffffffff0500130020000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4014}, 0x4080) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="010200000000a829f315690bbad7"], 0x14}}, 0x0) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000004c0)={0x0, 0x2, 0x0, &(0x7f0000000100)=[{}, {0x80000000}], 0x2, 0x0, &(0x7f00000002c0)=[{}, {}], 0x1, 0x0, &(0x7f0000000080)=[{}], 0x3, 0x0, &(0x7f00000001c0)=[{}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, 0x0, &(0x7f0000000000)=[{{}, {0x80000000}}]}) timer_create(0x2, 0x0, &(0x7f0000000440)) timer_settime(0x0, 0x0, &(0x7f0000000640)={{0x77359400}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240), &(0x7f0000000280)) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) (async) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x4, 0x3}, 0x4) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r2, 0x0, &(0x7f0000000040)}) 07:28:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000180)={'ip6_vti0\x00', &(0x7f0000000200)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty, @private0}}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x60}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r3, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x229a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '/.'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x30041810}, 0x4000080) (async) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="2c040000", @ANYRES16=0x0, @ANYBLOB="00082bbd7000fbdbdf2505000000050004000600000008001800ffffffff0500130020000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4014}, 0x4080) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="010200000000a829f315690bbad7"], 0x14}}, 0x0) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="d506bdef0a09a2501af2d22e1aab8ace9d04c761e9418d792502745cc8e020caa2bdaf13522f23fdf521e8d27a7e", @ANYRES16=0x0, @ANYRESHEX=r0], 0x44}, 0x1, 0x0, 0x0, 0x4000811}, 0x40000) (async) socketpair(0xa, 0x80004, 0x180000, &(0x7f0000000080)={0xffffffffffffffff}) sendto$x25(r2, &(0x7f0000000100)="78ef2c6ebb5c5264b8d08307e57cbaa2315e06c9e131dc25d798952aa2f4d6add857335dbc974fec32d573b71a93b9e4d97200b4ae6b391cb70f7e92f745647ea1f0352a2138b92908e7ccf9e0cfccbb218d905f58051dc50d7f872c6033270f77831839792b54c754f5f38605f8ff115887560b3ce755fb338f48191f20f448ed7e57758e2c3aeb519bac81dc1e7aacf72e45d4aed600", 0x97, 0x488d0, 0x0, 0x0) 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x3) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000180)={0x0, 0x4, 0x0, &(0x7f0000000280)=[{}, {}, {}, {0x80000000}], 0x7, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000400)=[{}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r2, 0x28, 0x1, &(0x7f0000000000)=0x3, 0x8) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000004c0)={0x0, 0x2, 0x0, &(0x7f0000000100)=[{}, {0x80000000}], 0x2, 0x0, &(0x7f00000002c0)=[{}, {}], 0x1, 0x0, &(0x7f0000000080)=[{}], 0x3, 0x0, &(0x7f00000001c0)=[{}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, 0x0, &(0x7f0000000000)=[{{}, {0x80000000}}]}) (async, rerun: 32) timer_create(0x2, 0x0, &(0x7f0000000440)) (rerun: 32) timer_settime(0x0, 0x0, &(0x7f0000000640)={{0x77359400}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240), &(0x7f0000000280)) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="d506bdef0a09a2501af2d22e1aab8ace9d04c761e9418d792502745cc8e020caa2bdaf13522f23fdf521e8d27a7e", @ANYRES16=0x0, @ANYRESHEX=r0], 0x44}, 0x1, 0x0, 0x0, 0x4000811}, 0x40000) (async) socketpair(0xa, 0x80004, 0x180000, &(0x7f0000000080)={0xffffffffffffffff}) sendto$x25(r2, &(0x7f0000000100)="78ef2c6ebb5c5264b8d08307e57cbaa2315e06c9e131dc25d798952aa2f4d6add857335dbc974fec32d573b71a93b9e4d97200b4ae6b391cb70f7e92f745647ea1f0352a2138b92908e7ccf9e0cfccbb218d905f58051dc50d7f872c6033270f77831839792b54c754f5f38605f8ff115887560b3ce755fb338f48191f20f448ed7e57758e2c3aeb519bac81dc1e7aacf72e45d4aed600", 0x97, 0x488d0, 0x0, 0x0) [ 2955.810177] nbd: must specify an index to disconnect 07:28:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x3) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x3) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) 07:28:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4008005) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async, rerun: 64) r4 = syz_open_dev$mouse(&(0x7f00000002c0), 0x7, 0x412000) (rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)={0x8c, 0x0, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x710}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x8c}}, 0x200040c0) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) socketpair(0x2a, 0x6, 0xb, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCX25GDTEFACILITIES(r6, 0x89ea, &(0x7f00000004c0)) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="0100000000000000000002001600"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r8, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10ab}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}}, 0x20046080) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000000e7310f09c346213a570c0007c0f2ff1e7000020000000000000000000000144e4944f4a2ab60d45629039d9ce3db9e73918494ac1ddee7e0181951eea6b980ae53af0d7d934036b3798cda144fe67472ad518cc440ac4860529b34de80fed53d0d0c8fe4f2047a96dd40949e0e40db37db785dff6bf69f98d49fc294fcca1a9791a824bb1326879ad780d69f8a4f9b940cdfb0a4eaffcc3d7ad2abaf172be4", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff", @ANYRES8=r5, @ANYRESOCT, @ANYRESDEC=r1, @ANYRES8=r10, @ANYRES64, @ANYRES32=r4, @ANYRESHEX, @ANYRES32, @ANYRESOCT=r4], 0x38}}, 0x0) 07:28:57 executing program 1: socket$inet_udp(0x2, 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x20402, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x0) 07:28:57 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000180)={0x0, 0x4, 0x0, &(0x7f0000000280)=[{}, {}, {}, {0x80000000}], 0x7, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000400)=[{}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r2, 0x28, 0x1, &(0x7f0000000000)=0x3, 0x8) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000180)={0x0, 0x4, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000400)=[{}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r2, 0x28, 0x1, &(0x7f0000000000)=0x3, 0x8) (async) 07:28:57 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000004c0)={0x0, 0x2, 0x0, &(0x7f0000000100)=[{}, {0x80000000}], 0x2, 0x0, &(0x7f00000002c0)=[{}, {}], 0x1, 0x0, &(0x7f0000000080)=[{}], 0x3, 0x0, &(0x7f00000001c0)=[{}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, 0x0, &(0x7f0000000000)=[{{}, {0x80000000}}]}) timer_create(0x2, 0x0, &(0x7f0000000440)) timer_settime(0x0, 0x0, &(0x7f0000000640)={{0x77359400}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240), &(0x7f0000000280)) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000004c0)={0x0, 0x2, 0x0, &(0x7f0000000100)=[{}, {}], 0x2, 0x0, &(0x7f00000002c0)=[{}, {}], 0x1, 0x0, &(0x7f0000000080)=[{}], 0x3, 0x0, &(0x7f00000001c0)=[{}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000540)={r1, 0x0}) (async) timer_create(0x2, 0x0, &(0x7f0000000440)) (async) timer_settime(0x0, 0x0, &(0x7f0000000640)={{0x77359400}, {0x0, 0x989680}}, 0x0) (async) timer_settime(0x0, 0x0, &(0x7f0000000240), &(0x7f0000000280)) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) (async) 07:28:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) 07:28:58 executing program 1: socket$inet_udp(0x2, 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x20402, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x0) socket$inet_udp(0x2, 0x2, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x20402, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4004}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) [ 2955.919317] nbd: must specify a device to reconfigure 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000180)={0x0, 0x4, 0x0, &(0x7f0000000280)=[{}, {}, {}, {0x80000000}], 0x7, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000400)=[{}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r2, 0x28, 0x1, &(0x7f0000000000)=0x3, 0x8) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000180)={0x0, 0x4, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000140)=[{}], 0x4, 0x0, &(0x7f0000000400)=[{}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) (async) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r2, 0x28, 0x1, &(0x7f0000000000)=0x3, 0x8) (async) 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000004}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x2c, 0x0, 0x20, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x4000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) r6 = syz_open_dev$mouse(&(0x7f0000000040), 0xe04, 0x10c02) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x8, 0xa, 0x7, &(0x7f0000000080)={0xffffffffffffffff}) socketpair(0x18, 0x1, 0x7fff, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x841}, 0x0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}, {{0x80000000, 0x0}}]}) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000000)={{0x80000000, r3, 0x3, [0x8, 0xb320]}, {r2, 0x0, 0x4, [0x1bc6, 0x800000]}, 0x0, [0x31e2, 0x10001]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) r5 = syz_open_dev$dri(&(0x7f0000000040), 0x3, 0x400080) ioctl$DRM_IOCTL_SET_SAREA_CTX(r5, 0x4010641c, &(0x7f0000000080)={0x0, &(0x7f0000000100)=""/235}) [ 2955.995569] nbd: must specify a device to reconfigure 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000a00)={0x0, 0x8}, 0x2) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000a40)={0x1, 0x7}, 0x2) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000008c0)={0x0, 0x6, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {0x80000000}, {}], 0x6, 0x0, &(0x7f0000000600)=[{}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], 0x5, 0x0, &(0x7f00000004c0)=[{}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000009c0)={r2, &(0x7f0000000000), &(0x7f0000000940)}) 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 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$nbd(&(0x7f0000000340), r6) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) (async) [ 2956.016809] nbd: must specify an index to disconnect [ 2956.035641] nbd: must specify a device to reconfigure 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}, {{0x80000000, 0x0}}]}) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000000)={{0x80000000, r3, 0x3, [0x8, 0xb320]}, {r2, 0x0, 0x4, [0x1bc6, 0x800000]}, 0x0, [0x31e2, 0x10001]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async) r5 = syz_open_dev$dri(&(0x7f0000000040), 0x3, 0x400080) ioctl$DRM_IOCTL_SET_SAREA_CTX(r5, 0x4010641c, &(0x7f0000000080)={0x0, &(0x7f0000000100)=""/235}) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000004}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x2c, 0x0, 0x20, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x4000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) r6 = syz_open_dev$mouse(&(0x7f0000000040), 0xe04, 0x10c02) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x8, 0xa, 0x7, &(0x7f0000000080)={0xffffffffffffffff}) socketpair(0x18, 0x1, 0x7fff, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x841}, 0x0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000004}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x2c, 0x0, 0x20, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x4000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) syz_open_dev$mouse(&(0x7f0000000040), 0xe04, 0x10c02) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair(0x8, 0xa, 0x7, &(0x7f0000000080)) (async) socketpair(0x18, 0x1, 0x7fff, &(0x7f00000000c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x841}, 0x0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) [ 2956.059188] nbd: must specify an index to disconnect 07:28:58 executing program 1: socket$inet_udp(0x2, 0x2, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x20402, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x0) 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) [ 2956.092657] nbd: must specify a device to reconfigure 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000a00)={0x0, 0x8}, 0x2) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000a40)={0x1, 0x7}, 0x2) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000008c0)={0x0, 0x6, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {0x80000000}, {}], 0x6, 0x0, &(0x7f0000000600)=[{}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], 0x5, 0x0, &(0x7f00000004c0)=[{}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000009c0)={r2, &(0x7f0000000000), &(0x7f0000000940)}) [ 2956.116066] nbd: must specify an index to disconnect 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r6) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) (async) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000a00)={0x0, 0x8}, 0x2) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000a40)={0x1, 0x7}, 0x2) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000008c0)={0x0, 0x6, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {0x80000000}, {}], 0x6, 0x0, &(0x7f0000000600)=[{}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], 0x5, 0x0, &(0x7f00000004c0)=[{}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000009c0)={r2, &(0x7f0000000000), &(0x7f0000000940)}) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000a00)={0x0, 0x8}, 0x2) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) (async) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000a40)={0x1, 0x7}, 0x2) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000008c0)={0x0, 0x6, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000600)=[{}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], 0x5, 0x0, &(0x7f00000004c0)=[{}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000009c0)={r2, &(0x7f0000000000), &(0x7f0000000940)}) (async) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) 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$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000004}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x2c, 0x0, 0x20, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x4000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) r6 = syz_open_dev$mouse(&(0x7f0000000040), 0xe04, 0x10c02) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x8, 0xa, 0x7, &(0x7f0000000080)={0xffffffffffffffff}) (async) socketpair(0x18, 0x1, 0x7fff, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x841}, 0x0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2956.143159] nbd: must specify an index to disconnect 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}, {{0x80000000, 0x0}}]}) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000000)={{0x80000000, r3, 0x3, [0x8, 0xb320]}, {r2, 0x0, 0x4, [0x1bc6, 0x800000]}, 0x0, [0x31e2, 0x10001]}) (async, rerun: 32) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r1, &(0x7f00000003c0), &(0x7f0000000400)}) (async, rerun: 32) r5 = syz_open_dev$dri(&(0x7f0000000040), 0x3, 0x400080) ioctl$DRM_IOCTL_SET_SAREA_CTX(r5, 0x4010641c, &(0x7f0000000080)={0x0, &(0x7f0000000100)=""/235}) 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) connect$bt_sco(r3, &(0x7f0000000000), 0x8) [ 2956.228343] nbd: must specify an index to disconnect 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000001300)={&(0x7f0000000e40)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f0000000e80)={0x42c, 0x3f4, 0x8, 0x70bd2b, 0x25dfdbfe, {0x0, 0x2, 0x1c, [0x7fffffff, 0x2, 0x9fb, 0x671dd5a2, 0xe11, 0x9, 0x7, 0x7f, 0x5, 0xffffffff, 0xbd, 0x8001, 0x0, 0xfff, 0x6605, 0x3ff, 0x0, 0xcdfb, 0xd83d, 0x4, 0x3, 0x9, 0xef7, 0x8, 0x7, 0x2afa0000, 0x9, 0x57, 0xff, 0x1, 0x4, 0xb75, 0x6, 0x101, 0x3, 0xf0, 0x3, 0xf05, 0x1, 0x9, 0x4, 0x48, 0x1, 0x3, 0x6, 0x9533, 0x2, 0xb60, 0xf16, 0x101, 0xe3a, 0x8000, 0x673, 0x4, 0x3, 0x4, 0xffffffff, 0xa3, 0x1, 0x0, 0x20, 0xe52, 0x7, 0x8], [0x9, 0x800, 0x101, 0x7e7e, 0x3, 0x6, 0x4, 0x592, 0x9, 0x9, 0x6, 0x8, 0x0, 0x3f, 0x404000, 0xa417, 0x2, 0x2, 0x4, 0x100000, 0x80000000, 0x3, 0x400, 0x8, 0x3, 0x8, 0x8, 0x101, 0x34d9, 0x4, 0x4, 0x3, 0x68, 0x4, 0x3, 0xfff, 0x1, 0x5, 0x8, 0xfffffe01, 0x8, 0xfcda, 0x8, 0x2eb9, 0x8, 0xc92, 0x1, 0xf6e, 0xfffffff8, 0x1000, 0x772, 0x1f, 0x96, 0x3f, 0x1, 0x5af0, 0x400, 0x57ed, 0x1993, 0x2, 0x8, 0x2, 0x497, 0x718], [0x1ff, 0x9, 0x0, 0x9, 0x80000001, 0x3ff, 0xeb5, 0x3656, 0xfffffffc, 0xbfe7, 0x101, 0x80000000, 0x2, 0x45, 0x200, 0x3, 0x1, 0x0, 0xff, 0xd7a0, 0xb528, 0x20, 0x0, 0x5d, 0x80000000, 0x400, 0x200, 0x3f, 0x1ff, 0x40, 0x5b9, 0xffffffff, 0x200, 0x800, 0x9, 0x1ff, 0xf, 0x7, 0xfffffffe, 0x8, 0x8, 0x7f, 0xee9, 0x7f, 0x9, 0x0, 0x1, 0x2, 0xf4b6, 0x40, 0x7, 0x8001, 0x4, 0x7, 0x8, 0x100, 0xffffffe0, 0x0, 0x2, 0x9, 0x400, 0x4, 0x7fff, 0xffffffff], [0x4, 0x3, 0x8e8, 0x89, 0x5, 0x5, 0x5, 0x3, 0x40, 0x400, 0xa45, 0x200, 0x102000, 0x67, 0xfffffffb, 0x7, 0x7f, 0x8, 0x9, 0x3, 0x4, 0x7, 0x8, 0x1ff, 0x101, 0x0, 0x6d9, 0x6f, 0x2, 0x86, 0x0, 0xa29, 0x9, 0x7, 0xaeab, 0x101, 0xb0, 0x4, 0x9, 0x9, 0x401, 0xbd, 0x6, 0x4, 0xfffffff8, 0x2, 0x6, 0x5, 0x93c8, 0xfffffffe, 0x0, 0x4, 0x5, 0x9, 0x80000000, 0x6, 0xb3e, 0x1000, 0x3, 0xff, 0x5, 0x2ada, 0x7fffffff, 0xffff0001], 0xb, ['\x00', ')&$!--#\\\x00', '\x00']}}, 0x42c}, 0x1, 0x0, 0x0, 0x20048001}, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r2, &(0x7f0000000e00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000980)=ANY=[@ANYBLOB="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"], 0x430}}, 0x48880) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000300)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f0000000180)=[{}, {}], 0x1, 0x0, &(0x7f0000000280)=[{}], 0x1, 0x0, &(0x7f00000002c0)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000880)={0x0, 0x3, 0x0, &(0x7f0000000480)=[{}, {}, {}], 0x2, 0x0, &(0x7f00000005c0)=[{}, {}], 0x4, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}], 0x8, 0x0, &(0x7f0000000740)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000900)={{r3, 0x0, 0x6, [0x1, 0x80000000]}, {r4, r5, 0x0, [0x6, 0x2]}, 0x4, [0x80, 0x401]}) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000000), &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000600)=[{}], 0x5, 0x0, &(0x7f0000000680)=[{}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x3, 0x0, &(0x7f0000000740)=[{}, {}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000ac0)={0x0, 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}], 0x1, 0x0, &(0x7f00000009c0)=[{}], 0x4, 0x0, &(0x7f0000000a40)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000580)=[{}]}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000b40)={{r1, r2, 0x3, [0x4, 0x7fff]}, {0x80000000, r3, 0x6, [0x9, 0x1ff]}, 0x0, [0x9, 0x2]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r4, 0x0, &(0x7f0000000040)}) [ 2956.255003] nbd: must specify a device to reconfigure [ 2956.270187] nbd: must specify an index to disconnect [ 2956.293611] nbd: must specify a device to reconfigure 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000001300)={&(0x7f0000000e40)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f0000000e80)={0x42c, 0x3f4, 0x8, 0x70bd2b, 0x25dfdbfe, {0x0, 0x2, 0x1c, [0x7fffffff, 0x2, 0x9fb, 0x671dd5a2, 0xe11, 0x9, 0x7, 0x7f, 0x5, 0xffffffff, 0xbd, 0x8001, 0x0, 0xfff, 0x6605, 0x3ff, 0x0, 0xcdfb, 0xd83d, 0x4, 0x3, 0x9, 0xef7, 0x8, 0x7, 0x2afa0000, 0x9, 0x57, 0xff, 0x1, 0x4, 0xb75, 0x6, 0x101, 0x3, 0xf0, 0x3, 0xf05, 0x1, 0x9, 0x4, 0x48, 0x1, 0x3, 0x6, 0x9533, 0x2, 0xb60, 0xf16, 0x101, 0xe3a, 0x8000, 0x673, 0x4, 0x3, 0x4, 0xffffffff, 0xa3, 0x1, 0x0, 0x20, 0xe52, 0x7, 0x8], [0x9, 0x800, 0x101, 0x7e7e, 0x3, 0x6, 0x4, 0x592, 0x9, 0x9, 0x6, 0x8, 0x0, 0x3f, 0x404000, 0xa417, 0x2, 0x2, 0x4, 0x100000, 0x80000000, 0x3, 0x400, 0x8, 0x3, 0x8, 0x8, 0x101, 0x34d9, 0x4, 0x4, 0x3, 0x68, 0x4, 0x3, 0xfff, 0x1, 0x5, 0x8, 0xfffffe01, 0x8, 0xfcda, 0x8, 0x2eb9, 0x8, 0xc92, 0x1, 0xf6e, 0xfffffff8, 0x1000, 0x772, 0x1f, 0x96, 0x3f, 0x1, 0x5af0, 0x400, 0x57ed, 0x1993, 0x2, 0x8, 0x2, 0x497, 0x718], [0x1ff, 0x9, 0x0, 0x9, 0x80000001, 0x3ff, 0xeb5, 0x3656, 0xfffffffc, 0xbfe7, 0x101, 0x80000000, 0x2, 0x45, 0x200, 0x3, 0x1, 0x0, 0xff, 0xd7a0, 0xb528, 0x20, 0x0, 0x5d, 0x80000000, 0x400, 0x200, 0x3f, 0x1ff, 0x40, 0x5b9, 0xffffffff, 0x200, 0x800, 0x9, 0x1ff, 0xf, 0x7, 0xfffffffe, 0x8, 0x8, 0x7f, 0xee9, 0x7f, 0x9, 0x0, 0x1, 0x2, 0xf4b6, 0x40, 0x7, 0x8001, 0x4, 0x7, 0x8, 0x100, 0xffffffe0, 0x0, 0x2, 0x9, 0x400, 0x4, 0x7fff, 0xffffffff], [0x4, 0x3, 0x8e8, 0x89, 0x5, 0x5, 0x5, 0x3, 0x40, 0x400, 0xa45, 0x200, 0x102000, 0x67, 0xfffffffb, 0x7, 0x7f, 0x8, 0x9, 0x3, 0x4, 0x7, 0x8, 0x1ff, 0x101, 0x0, 0x6d9, 0x6f, 0x2, 0x86, 0x0, 0xa29, 0x9, 0x7, 0xaeab, 0x101, 0xb0, 0x4, 0x9, 0x9, 0x401, 0xbd, 0x6, 0x4, 0xfffffff8, 0x2, 0x6, 0x5, 0x93c8, 0xfffffffe, 0x0, 0x4, 0x5, 0x9, 0x80000000, 0x6, 0xb3e, 0x1000, 0x3, 0xff, 0x5, 0x2ada, 0x7fffffff, 0xffff0001], 0xb, ['\x00', ')&$!--#\\\x00', '\x00']}}, 0x42c}, 0x1, 0x0, 0x0, 0x20048001}, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r2, &(0x7f0000000e00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000980)=ANY=[@ANYBLOB="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"], 0x430}}, 0x48880) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000300)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f0000000180)=[{}, {}], 0x1, 0x0, &(0x7f0000000280)=[{}], 0x1, 0x0, &(0x7f00000002c0)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000880)={0x0, 0x3, 0x0, &(0x7f0000000480)=[{}, {}, {}], 0x2, 0x0, &(0x7f00000005c0)=[{}, {}], 0x4, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}], 0x8, 0x0, &(0x7f0000000740)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000900)={{r3, 0x0, 0x6, [0x1, 0x80000000]}, {r4, r5, 0x0, [0x6, 0x2]}, 0x4, [0x80, 0x401]}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000001300)={&(0x7f0000000e40)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f0000000e80)={0x42c, 0x3f4, 0x8, 0x70bd2b, 0x25dfdbfe, {0x0, 0x2, 0x1c, [0x7fffffff, 0x2, 0x9fb, 0x671dd5a2, 0xe11, 0x9, 0x7, 0x7f, 0x5, 0xffffffff, 0xbd, 0x8001, 0x0, 0xfff, 0x6605, 0x3ff, 0x0, 0xcdfb, 0xd83d, 0x4, 0x3, 0x9, 0xef7, 0x8, 0x7, 0x2afa0000, 0x9, 0x57, 0xff, 0x1, 0x4, 0xb75, 0x6, 0x101, 0x3, 0xf0, 0x3, 0xf05, 0x1, 0x9, 0x4, 0x48, 0x1, 0x3, 0x6, 0x9533, 0x2, 0xb60, 0xf16, 0x101, 0xe3a, 0x8000, 0x673, 0x4, 0x3, 0x4, 0xffffffff, 0xa3, 0x1, 0x0, 0x20, 0xe52, 0x7, 0x8], [0x9, 0x800, 0x101, 0x7e7e, 0x3, 0x6, 0x4, 0x592, 0x9, 0x9, 0x6, 0x8, 0x0, 0x3f, 0x404000, 0xa417, 0x2, 0x2, 0x4, 0x100000, 0x80000000, 0x3, 0x400, 0x8, 0x3, 0x8, 0x8, 0x101, 0x34d9, 0x4, 0x4, 0x3, 0x68, 0x4, 0x3, 0xfff, 0x1, 0x5, 0x8, 0xfffffe01, 0x8, 0xfcda, 0x8, 0x2eb9, 0x8, 0xc92, 0x1, 0xf6e, 0xfffffff8, 0x1000, 0x772, 0x1f, 0x96, 0x3f, 0x1, 0x5af0, 0x400, 0x57ed, 0x1993, 0x2, 0x8, 0x2, 0x497, 0x718], [0x1ff, 0x9, 0x0, 0x9, 0x80000001, 0x3ff, 0xeb5, 0x3656, 0xfffffffc, 0xbfe7, 0x101, 0x80000000, 0x2, 0x45, 0x200, 0x3, 0x1, 0x0, 0xff, 0xd7a0, 0xb528, 0x20, 0x0, 0x5d, 0x80000000, 0x400, 0x200, 0x3f, 0x1ff, 0x40, 0x5b9, 0xffffffff, 0x200, 0x800, 0x9, 0x1ff, 0xf, 0x7, 0xfffffffe, 0x8, 0x8, 0x7f, 0xee9, 0x7f, 0x9, 0x0, 0x1, 0x2, 0xf4b6, 0x40, 0x7, 0x8001, 0x4, 0x7, 0x8, 0x100, 0xffffffe0, 0x0, 0x2, 0x9, 0x400, 0x4, 0x7fff, 0xffffffff], [0x4, 0x3, 0x8e8, 0x89, 0x5, 0x5, 0x5, 0x3, 0x40, 0x400, 0xa45, 0x200, 0x102000, 0x67, 0xfffffffb, 0x7, 0x7f, 0x8, 0x9, 0x3, 0x4, 0x7, 0x8, 0x1ff, 0x101, 0x0, 0x6d9, 0x6f, 0x2, 0x86, 0x0, 0xa29, 0x9, 0x7, 0xaeab, 0x101, 0xb0, 0x4, 0x9, 0x9, 0x401, 0xbd, 0x6, 0x4, 0xfffffff8, 0x2, 0x6, 0x5, 0x93c8, 0xfffffffe, 0x0, 0x4, 0x5, 0x9, 0x80000000, 0x6, 0xb3e, 0x1000, 0x3, 0xff, 0x5, 0x2ada, 0x7fffffff, 0xffff0001], 0xb, ['\x00', ')&$!--#\\\x00', '\x00']}}, 0x42c}, 0x1, 0x0, 0x0, 0x20048001}, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) socket$nl_audit(0x10, 0x3, 0x9) (async) sendmsg$AUDIT_ADD_RULE(r2, &(0x7f0000000e00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000980)=ANY=[@ANYBLOB="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"], 0x430}}, 0x48880) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000300)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x2, 0x0, &(0x7f0000000180)=[{}, {}], 0x1, 0x0, &(0x7f0000000280)=[{}], 0x1, 0x0, &(0x7f00000002c0)=[{}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000880)={0x0, 0x3, 0x0, &(0x7f0000000480)=[{}, {}, {}], 0x2, 0x0, &(0x7f00000005c0)=[{}, {}], 0x4, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000740)=[{}, {}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000900)={{r3, 0x0, 0x6, [0x1, 0x80000000]}, {r4, r5, 0x0, [0x6, 0x2]}, 0x4, [0x80, 0x401]}) (async) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) connect$bt_sco(r3, &(0x7f0000000000), 0x8) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) connect$bt_sco(r3, &(0x7f0000000000), 0x8) (async) 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x11) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="e5af6a75", @ANYRES16=r7, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000000), &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000600)=[{}], 0x5, 0x0, &(0x7f0000000680)=[{}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x3, 0x0, &(0x7f0000000740)=[{}, {}, {}]}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000ac0)={0x0, 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}], 0x1, 0x0, &(0x7f00000009c0)=[{}], 0x4, 0x0, &(0x7f0000000a40)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000580)=[{}]}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000b40)={{r1, r2, 0x3, [0x4, 0x7fff]}, {0x80000000, r3, 0x6, [0x9, 0x1ff]}, 0x0, [0x9, 0x2]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r4, 0x0, &(0x7f0000000040)}) 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000000), &(0x7f0000000140)=[{{}, {0x80000000}}]}) (async, rerun: 64) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000600)=[{}], 0x5, 0x0, &(0x7f0000000680)=[{}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}, {}], 0x3, 0x0, &(0x7f0000000740)=[{}, {}, {}]}) (rerun: 64) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000ac0)={0x0, 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}], 0x1, 0x0, &(0x7f00000009c0)=[{}], 0x4, 0x0, &(0x7f0000000a40)=[{0x0, 0x80000000, 0x0, {0x0}}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000580)=[{}]}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000b40)={{r1, r2, 0x3, [0x4, 0x7fff]}, {0x80000000, r3, 0x6, [0x9, 0x1ff]}, 0x0, [0x9, 0x2]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r4, 0x0, &(0x7f0000000040)}) 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async, rerun: 32) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x11) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="e5af6a75", @ANYRES16=r7, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x90) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000088da44e97648648f8d00", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000001300)={&(0x7f0000000e40)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f0000000e80)={0x42c, 0x3f4, 0x8, 0x70bd2b, 0x25dfdbfe, {0x0, 0x2, 0x1c, [0x7fffffff, 0x2, 0x9fb, 0x671dd5a2, 0xe11, 0x9, 0x7, 0x7f, 0x5, 0xffffffff, 0xbd, 0x8001, 0x0, 0xfff, 0x6605, 0x3ff, 0x0, 0xcdfb, 0xd83d, 0x4, 0x3, 0x9, 0xef7, 0x8, 0x7, 0x2afa0000, 0x9, 0x57, 0xff, 0x1, 0x4, 0xb75, 0x6, 0x101, 0x3, 0xf0, 0x3, 0xf05, 0x1, 0x9, 0x4, 0x48, 0x1, 0x3, 0x6, 0x9533, 0x2, 0xb60, 0xf16, 0x101, 0xe3a, 0x8000, 0x673, 0x4, 0x3, 0x4, 0xffffffff, 0xa3, 0x1, 0x0, 0x20, 0xe52, 0x7, 0x8], [0x9, 0x800, 0x101, 0x7e7e, 0x3, 0x6, 0x4, 0x592, 0x9, 0x9, 0x6, 0x8, 0x0, 0x3f, 0x404000, 0xa417, 0x2, 0x2, 0x4, 0x100000, 0x80000000, 0x3, 0x400, 0x8, 0x3, 0x8, 0x8, 0x101, 0x34d9, 0x4, 0x4, 0x3, 0x68, 0x4, 0x3, 0xfff, 0x1, 0x5, 0x8, 0xfffffe01, 0x8, 0xfcda, 0x8, 0x2eb9, 0x8, 0xc92, 0x1, 0xf6e, 0xfffffff8, 0x1000, 0x772, 0x1f, 0x96, 0x3f, 0x1, 0x5af0, 0x400, 0x57ed, 0x1993, 0x2, 0x8, 0x2, 0x497, 0x718], [0x1ff, 0x9, 0x0, 0x9, 0x80000001, 0x3ff, 0xeb5, 0x3656, 0xfffffffc, 0xbfe7, 0x101, 0x80000000, 0x2, 0x45, 0x200, 0x3, 0x1, 0x0, 0xff, 0xd7a0, 0xb528, 0x20, 0x0, 0x5d, 0x80000000, 0x400, 0x200, 0x3f, 0x1ff, 0x40, 0x5b9, 0xffffffff, 0x200, 0x800, 0x9, 0x1ff, 0xf, 0x7, 0xfffffffe, 0x8, 0x8, 0x7f, 0xee9, 0x7f, 0x9, 0x0, 0x1, 0x2, 0xf4b6, 0x40, 0x7, 0x8001, 0x4, 0x7, 0x8, 0x100, 0xffffffe0, 0x0, 0x2, 0x9, 0x400, 0x4, 0x7fff, 0xffffffff], [0x4, 0x3, 0x8e8, 0x89, 0x5, 0x5, 0x5, 0x3, 0x40, 0x400, 0xa45, 0x200, 0x102000, 0x67, 0xfffffffb, 0x7, 0x7f, 0x8, 0x9, 0x3, 0x4, 0x7, 0x8, 0x1ff, 0x101, 0x0, 0x6d9, 0x6f, 0x2, 0x86, 0x0, 0xa29, 0x9, 0x7, 0xaeab, 0x101, 0xb0, 0x4, 0x9, 0x9, 0x401, 0xbd, 0x6, 0x4, 0xfffffff8, 0x2, 0x6, 0x5, 0x93c8, 0xfffffffe, 0x0, 0x4, 0x5, 0x9, 0x80000000, 0x6, 0xb3e, 0x1000, 0x3, 0xff, 0x5, 0x2ada, 0x7fffffff, 0xffff0001], 0xb, ['\x00', ')&$!--#\\\x00', '\x00']}}, 0x42c}, 0x1, 0x0, 0x0, 0x20048001}, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_ADD_RULE(r2, &(0x7f0000000e00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000980)=ANY=[@ANYBLOB="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"], 0x430}}, 0x48880) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000300)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {0x80000000}, {}], 0x2, 0x0, &(0x7f0000000180)=[{}, {}], 0x1, 0x0, &(0x7f0000000280)=[{}], 0x1, 0x0, &(0x7f00000002c0)=[{}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000880)={0x0, 0x3, 0x0, &(0x7f0000000480)=[{}, {}, {}], 0x2, 0x0, &(0x7f00000005c0)=[{}, {}], 0x4, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}], 0x8, 0x0, &(0x7f0000000740)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000900)={{r3, 0x0, 0x6, [0x1, 0x80000000]}, {r4, r5, 0x0, [0x6, 0x2]}, 0x4, [0x80, 0x401]}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000001300)={&(0x7f0000000e40)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f0000000e80)={0x42c, 0x3f4, 0x8, 0x70bd2b, 0x25dfdbfe, {0x0, 0x2, 0x1c, [0x7fffffff, 0x2, 0x9fb, 0x671dd5a2, 0xe11, 0x9, 0x7, 0x7f, 0x5, 0xffffffff, 0xbd, 0x8001, 0x0, 0xfff, 0x6605, 0x3ff, 0x0, 0xcdfb, 0xd83d, 0x4, 0x3, 0x9, 0xef7, 0x8, 0x7, 0x2afa0000, 0x9, 0x57, 0xff, 0x1, 0x4, 0xb75, 0x6, 0x101, 0x3, 0xf0, 0x3, 0xf05, 0x1, 0x9, 0x4, 0x48, 0x1, 0x3, 0x6, 0x9533, 0x2, 0xb60, 0xf16, 0x101, 0xe3a, 0x8000, 0x673, 0x4, 0x3, 0x4, 0xffffffff, 0xa3, 0x1, 0x0, 0x20, 0xe52, 0x7, 0x8], [0x9, 0x800, 0x101, 0x7e7e, 0x3, 0x6, 0x4, 0x592, 0x9, 0x9, 0x6, 0x8, 0x0, 0x3f, 0x404000, 0xa417, 0x2, 0x2, 0x4, 0x100000, 0x80000000, 0x3, 0x400, 0x8, 0x3, 0x8, 0x8, 0x101, 0x34d9, 0x4, 0x4, 0x3, 0x68, 0x4, 0x3, 0xfff, 0x1, 0x5, 0x8, 0xfffffe01, 0x8, 0xfcda, 0x8, 0x2eb9, 0x8, 0xc92, 0x1, 0xf6e, 0xfffffff8, 0x1000, 0x772, 0x1f, 0x96, 0x3f, 0x1, 0x5af0, 0x400, 0x57ed, 0x1993, 0x2, 0x8, 0x2, 0x497, 0x718], [0x1ff, 0x9, 0x0, 0x9, 0x80000001, 0x3ff, 0xeb5, 0x3656, 0xfffffffc, 0xbfe7, 0x101, 0x80000000, 0x2, 0x45, 0x200, 0x3, 0x1, 0x0, 0xff, 0xd7a0, 0xb528, 0x20, 0x0, 0x5d, 0x80000000, 0x400, 0x200, 0x3f, 0x1ff, 0x40, 0x5b9, 0xffffffff, 0x200, 0x800, 0x9, 0x1ff, 0xf, 0x7, 0xfffffffe, 0x8, 0x8, 0x7f, 0xee9, 0x7f, 0x9, 0x0, 0x1, 0x2, 0xf4b6, 0x40, 0x7, 0x8001, 0x4, 0x7, 0x8, 0x100, 0xffffffe0, 0x0, 0x2, 0x9, 0x400, 0x4, 0x7fff, 0xffffffff], [0x4, 0x3, 0x8e8, 0x89, 0x5, 0x5, 0x5, 0x3, 0x40, 0x400, 0xa45, 0x200, 0x102000, 0x67, 0xfffffffb, 0x7, 0x7f, 0x8, 0x9, 0x3, 0x4, 0x7, 0x8, 0x1ff, 0x101, 0x0, 0x6d9, 0x6f, 0x2, 0x86, 0x0, 0xa29, 0x9, 0x7, 0xaeab, 0x101, 0xb0, 0x4, 0x9, 0x9, 0x401, 0xbd, 0x6, 0x4, 0xfffffff8, 0x2, 0x6, 0x5, 0x93c8, 0xfffffffe, 0x0, 0x4, 0x5, 0x9, 0x80000000, 0x6, 0xb3e, 0x1000, 0x3, 0xff, 0x5, 0x2ada, 0x7fffffff, 0xffff0001], 0xb, ['\x00', ')&$!--#\\\x00', '\x00']}}, 0x42c}, 0x1, 0x0, 0x0, 0x20048001}, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) socket$nl_audit(0x10, 0x3, 0x9) (async) sendmsg$AUDIT_ADD_RULE(r2, &(0x7f0000000e00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000980)=ANY=[@ANYBLOB="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"], 0x430}}, 0x48880) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000300)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x2, 0x0, &(0x7f0000000180)=[{}, {}], 0x1, 0x0, &(0x7f0000000280)=[{}], 0x1, 0x0, &(0x7f00000002c0)=[{}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r1, 0xc0487c04, &(0x7f0000000880)={0x0, 0x3, 0x0, &(0x7f0000000480)=[{}, {}, {}], 0x2, 0x0, &(0x7f00000005c0)=[{}, {}], 0x4, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000740)=[{}, {}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000900)={{r3, 0x0, 0x6, [0x1, 0x80000000]}, {r4, r5, 0x0, [0x6, 0x2]}, 0x4, [0x80, 0x401]}) (async) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) connect$bt_sco(r3, &(0x7f0000000000), 0x8) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) connect$bt_sco(r3, &(0x7f0000000000), 0x8) (async) [ 2956.392676] nbd: must specify an index to disconnect [ 2956.412470] nbd: must specify a device to reconfigure 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x7, 0x200000) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) r1 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB="2c040000f40310002dbd7000ffdbdf2502000000010000003300000051850000070000000300000001000080fffeffffff03000008000000ffffff7f1f000000ffff000001040000ffff000000020000faffffffff0100000600000007000000b90b0000ffffff7f0b030000060000000200000007000000040000001f000000feffffff010000007f00000001000000010000000400000001000100f7ffffff3c00f7ffffff5c00000000000080001000000500000008000000ff030000080000000100000002000000ff7f000000000000b8790000c60c0000090000008000000004000000d40c0000ff0300000104000069000000617f000001000000fcffffffffffffff2b0f000000f8ffff01000100000000ed080000f9ffffff8bf400006000000000000000ff030000040000000200000005000000020000000800000001000000ffffffff09000000800000000400000001000000ad00000002000000000000000100008003000000ff03000008000000ff7f0000000000002d99230b050000005c6f9ef348e9d9070000000000000300000002000000050000000800000006000000010000000400af00000009000000000100080009000000050000000002000007000000229800000000000007000000a4b10000090000000700000009000000800000000200000094d0bc49010000000600000006000000a90f00000100008001000000feffffffeccc0000ffffff7f0300000009000000020000000100000006000000050000000000000000020000000000800100010006000000010000000800000001010000ff0700000800000000800000b4e3dc80a6f53b23ac700100010071070000040000008100000001000000974e000003000000ff01000006000000020000007e000000ff070000b402000000000000ff010000000000000700000000000000090000004834000001000000fb00000007000000060000000c000000040000000000008007000000080000000900000008000000020000000400000007000000ab000008000000610b0000070000002600000000000000080000000100000000100000810000000300000001000000edffffffe1000000050000001f00000001010000faffffff888300009ff800000200000000000000030000000200000005000000010001001e00000008000000070000008a000000000100008dcd000005000000080000009406000006000000ffffffff7f00000000e80500060000000101000000100000070000001f000000050000000100010001000000010000008bd30000ff0f00000900000009000000960d00000800000003000000ffff00000800000000000000a77d36160000000035040000080000000101000008000000731a00000900000000000000ffffffff200000008000000003000000ff7f0000"], 0x42c}, 0x1, 0x0, 0x0, 0x48004}, 0x4) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2956.522762] nbd: must specify a device to reconfigure 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x90) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000088da44e97648648f8d00", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x90) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000088da44e97648648f8d00", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) (async) 07:28:58 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) (async) r1 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000100)={0x80000000, &(0x7f0000000000)=[{0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r1, 0xc0287c02, &(0x7f0000000200)={r2, 0x0, 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000000)={r2, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r3, &(0x7f00000003c0), &(0x7f0000000400)}) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x7, 0x200000) (async, rerun: 32) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) (rerun: 32) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) [ 2956.562837] nbd: must specify a device to reconfigure 07:28:58 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$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r7, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r7, 0x20, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r10, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x4c, r2, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q\xff'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x840}, 0x800) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async, rerun: 32) r1 = socket$nl_audit(0x10, 0x3, 0x9) (rerun: 32) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x42c}, 0x1, 0x0, 0x0, 0x48004}, 0x4) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="02000000000000000000030000000c0005000300000000000000"], 0x20}}, 0x0) [ 2956.590955] nbd: must specify an index to disconnect [ 2956.606534] nbd: must specify an index to disconnect 07:28:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x11) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="e5af6a75", @ANYRES16=r7, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x90) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000088da44e97648648f8d00", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x90) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000088da44e97648648f8d00", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) (async) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="02000000000000000000030000000c0005000300000000000000"], 0x20}}, 0x0) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) r1 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_DEL_RULE(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x42c}, 0x1, 0x0, 0x0, 0x48004}, 0x4) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (rerun: 64) 07:28:58 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000000), 0x7, 0x200000) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4008005) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) r4 = syz_open_dev$mouse(&(0x7f00000002c0), 0x7, 0x412000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)={0x8c, 0x0, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x710}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x78}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x8c}}, 0x200040c0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x2a, 0x6, 0xb, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCX25GDTEFACILITIES(r6, 0x89ea, &(0x7f00000004c0)) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r8, @ANYBLOB="0100000000000000000002001600"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r8, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10ab}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}}, 0x20046080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000000e7310f09c346213a570c0007c0f2ff1e7000020000000000000000000000144e4944f4a2ab60d45629039d9ce3db9e73918494ac1ddee7e0181951eea6b980ae53af0d7d934036b3798cda144fe67472ad518cc440ac4860529b34de80fed53d0d0c8fe4f2047a96dd40949e0e40db37db785dff6bf69f98d49fc294fcca1a9791a824bb1326879ad780d69f8a4f9b940cdfb0a4eaffcc3d7ad2abaf172be4", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff", @ANYRES8=r5, @ANYRESOCT, @ANYRESDEC=r1, @ANYRES8=r10, @ANYRES64, @ANYRES32=r4, @ANYRESHEX, @ANYRES32, @ANYRESOCT=r4], 0x38}}, 0x0) [ 2956.673216] nbd: must specify a device to reconfigure [ 2956.689919] nbd: must specify an index to disconnect 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000be2390417ba3fe9a4985aa41254b20b121cec8782bf4866e4f9a11427ae06a4ea956c55a5f796c70eb9db0256ae140485c6e1d78a97dcaadf6880e504f067cb8b764b44a16ebb1d6a2dd1e7a435232a0295f906376f2d5e58cc39af408e60c52113b253d6fecb1b5ece4bc84b2cb3fca871759ca583c01451d1bf357c525", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:58 executing program 4: openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) r3 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) r4 = syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) r5 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r3]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000001fc0)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = socket$inet(0x2, 0x2, 0x26) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r9 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r9, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r10 = getuid() sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002100)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000380)={0x6ac, 0x11, 0x10, 0x70bd25, 0x25dfdbfe, "", [@nested={0x33f, 0x92, 0x0, 0x1, [@generic="c842e599b7a28879fde7a64725fe2c9d9fd6ed11633bf3e64ba85bbb8285537260ae5cebf124542832c546972e50e14f2b24c8a076d05abcc4d0e8648468fbf64d663c56208c0c4445ce545f0eb4def747fbe33e9ce5668c4707348d3a3dc877c4dc6447d05563e67d", @generic="531120f7deb71533b5155f203a3950b6516585a15ad582b082b0178f787d9d96a5ae76b6834baed62b299bdbd3ed82be4a3fde80af7092d38595314f756a370bc42242581ea25000b46db20528af6c51f6f433f93a4879c51315dc049e9edd06b419b985323f4d6c22808c0f97d4b65fb67ae1237bcd0f1945b0fd7fcd8e163b2600ccad9a3906995ed5b2ddb367fadf670b0e15fa56234556f0f791b891110703861edb7bf68c195ab31c75d8d5688b1e5c12b7a7a1bd9c2ff41f974dcef865", @typed={0x4, 0x35}, @generic="2123445d055f672cbccd5862a3ce610cc040ae5df3cb164fdd2b3764c7f9c25aec2dabcb6189b4088f89564ff10adf85bffcb2033c5d530b52532fca5b029bb7619fc37efe", @generic="6bbf98ed8980fb344daf37708b58c90c175f7ba001b52bbf23eb0b84b772e221b0597748896bf6f0bfcb1acd01effdb270d72f2e03da96558a64d5be89a18460bccce19ff1203f16e9b1a95729ad9f44e3930f6198334b63187c3cc817f6ffb39dea3b288edddea8ac842c53f82ba00eb7b6d485a0884a2c2e4c567b8e95fef392898f3815dd7535fc101e821903", @generic="1b5c328209c4bf0b1dd11eb442c41d9e11e9c32d23a429855ee255c79d6e6cc2025e535a82b61c41ad9d9d05a71229c8ffa28163a91de57236186014ff3efdac885ef1b1b656a3282909f1428d83b8d856281f0a0e1ec0868acd82b873edeffb75d5feabac8c64d9315d6160284f785f7a85f411f330ec98b0cae8479eab72e9288369d5ed05633044fd9eade17956195ba449f560c3e09d1b320768f60ec7873da17e7c17a634b83690f63248bf521656", @generic="c42da87582438dd4bc5699c0dc061aefa872a59b8b0c7fdad92f4f5b730c8cfe2ed8f9dacf008776ee21294e78be29ab4c281e872c339de5ccb13640062c3ebdab4d6d6e876bf9cc8f496ba597b23ea567d36a68f54a67fbdf1744c3b6b9fa0f88bddd799050116c206445aaada9be7a8cda1f0aa8daaf65e1e31e6a42d0ed6a96a9b6e9ee48d7a39f05"]}, @generic="421129f388316e8359552ff43d41ef02b8b9dcc203a5ff7d5ce736d44d2ffe87952d7bd33e326e4055a3e20f93c3a3f7100ab6d35045bd039abaaf3677baac372438520fdc0ecf48afca673f418a273737fac5a4dea2f06ac330568151bf6c43b8bbb00e49e694901dfe9e51dd8c92895c9d65306b3acc54865411", @generic, @generic="7b8f47390041c1764bc25959ca8f9beadcbf54d2fc97d8a3e646afd7130d422aeefce5e554b8", @nested={0x286, 0x1b, 0x0, 0x1, [@generic="a1fa348de37f210e6f3430195400d8d14345f49b50f005378636a35fe47ebd1b124d73149b23fad7d218512e5bebd65ab65968076cd3012fe5d6379c583587a337fcd3db05f09bd53ec87076b4c2d8033f6ad76ca29298726cdfc9e7f1780d3a120a4a72b241074a5070c3f8c778c5fa9422594142798547be105c222cbfb2d9b593fa0caec165e46de61e26ad2c4b6371ed4b6415c483afd9f81e565509ab88273d23ce87ac76f09e323bdd8dda22eeadcfe47ded7b09adaa70ca7a6278413bdbcb9f087e0dfa1426db383e15c077978ecc9af5a3feb48c2b3a33a3e0121440122147df6de834eadd", @generic="a04e0d045270a97851f900a25420096e060b8c1818ecbdae0921960f24443d5f3ad6f51e7a982c7d4d359578621dbff447fc755a14d019b1f1eab1e23ea1264cd18a19482791274d43ea7f6de45f17800754c6a65b3ecf562895227aed0f8183c477bcb4d6d4e19f8c3c30a1027d851bc322315f6f383666b60d373024", @generic="ba5be1028579052989f605be034b7f4cb6a5f1564aa58e79a6872433f07d8ae9fc4bca5bb464f8dcf0cd2ba7b45a50b4d0", @generic="ac4890ea69fda02a63e37461677efd33b996c07c24b6a1b4328d35f3976a9d2593ac4d4165235057dca8f860a8dd4b806e4a0cf5ab601c8dd8ca", @typed={0x8, 0x94, 0x0, 0x0, @fd}, @generic="a87b5162c063c129b719d5ffac7cdaaca772739cb6cd99fda007605946ecb3d15edbdb9a12cde570d644af5b56928ffdb4430aaccd3c112891deec44be69cb348a9a5681f2a2416e0339abfa13382965fa18e83b35a323c0ac615eae0b62c41fae4aa0d63296da1b9cf474a564d38757bb45bd67c80a69af7776f34ff98da14d84ced7d65579db388d00a7afb2acfb4da8b709092719e31e84ef0157873ffecc8ba2696f24d00577a8"]}, @generic="7c02700c092cca65da74b90f3d040873be2b00f224f686fd6b5c643148ecee90baeb6a0e6738ca241f5ab700146856bab61145"]}, 0x6ac}, {&(0x7f0000000080)={0xd8, 0x11, 0x4, 0x70bd27, 0x25dfdbfd, "", [@generic="c6a8b0e187b29953a0bb8bc0c8e8b25625c12c3ac63a6bf2f5a19eb5fae7a6bc994fd4f5e35a7438952df33c8fb185ea0616cdb6aef8841756d0a335ff78319e20cd4d4bdc603696305ced37bbc5342cee768b61a84dfb1c5197b7c2414afc093d2d7995def9b6cbdbf6db89affab526adbe9626ddd791f70945bf15c571089e835e8e14dcf3c8c09e847746d18cccf2b237edd5802ffe335be67e09d5916f23a4188babde5adb38c6d63926cc3bfd2da5e6f5409427a808d88edae96c40b33294b78d5d84c0"]}, 0xd8}, {&(0x7f0000000a40)={0x1570, 0x19, 0x100, 0x70bd2c, 0x25dfdbfc, "", [@typed={0x4a, 0x3a, 0x0, 0x0, @binary="87e2b9fae4c3abc1e68bcfdc4f451319e3995d66f198c795455ebb75e0eeefd4a744d5f853dda378f24fbfe74c08cc26eb380932ceb98ce3a385ec603fad93605b0334946422"}, @nested={0x10, 0x7d, 0x0, 0x1, [@typed={0xc, 0x42, 0x0, 0x0, @u64}]}, @generic="213c73375ae06440858eaeda4d8a5f67d11bfe14916ee9bc6fa6f3fb12927f00172522e38e5a0ed591c1c08c7b96b41b40525fd84f1279b5134b519b9f3d6ed2b4045dee427b5b262274a5d92f448469a92d6e", @typed={0x8, 0x50, 0x0, 0x0, @str='nbd\x00'}, @nested={0x319, 0x6f, 0x0, 0x1, [@generic="7dcf5c301b1dae3c6262412786719a5cc1f60cfc37aec63716e47a16389bc059b67f7bcaa205616184d2b33dcee82883a5d63f4b60eb0ef2a50c11d12a4c281fb4c8226a4fe1735f0478901b53a56792bcfea109fe6ef979e862adffa836f9efd9da0fd5568108d43b9887115647716a99deab3d5b8600c995684a72a08da78b55a393d3e0f5f13e90e22020e5f6d6970c4e86199d65a3d8e82b3eff9b664fc3064fd75c96f3ddc734ff4293ba6647bae9a087f6525c73bab30f7915a556bf7ae8de6d06b89644185e7340e0f9dca78f763a731bcb7211", @generic="c74418d5e0989c780073040311f294a908af881498ff06827d3fa0ba41e4305ff26bd9e785d76f9ba822579630c25be7f8fba1325c9afe5ba7ee2824626d5127d349c60ad028709dead5bcd5323e7ee7704609ebd2ad2e36af7afdfeebe06a596323607301b42e83301b8426c1471971470ffecf331e5f49efca72276f4e4971b9444ee75df4f040bf5c803df73ca67bcb70e9ac749e32167d6d880558df3ad0b06630b1d3648c604f94f4c7ec0d0edcf02c2b9b716a36168a1ea3bc453652a9c5ba7e4be86e5fa194e5d5124592c7bcd382d493b92d667f", @typed={0xf0, 0x56, 0x0, 0x0, @binary="340147cc440de2b39b214e146a7c4a3abae197278f5d42ce7641404a5527922abb2fb4081c8e9032ab4c9073ad67eb2bfaa8bd5fba53944076494c750d483517c3734d91e2e411bbb955769f49aedb80da80ea011ba8397cb81350b5f5ce8c62f2e815950fc32f7a843bbd64a1885d115b6bc8ad0bbc89c0332180f94396687d90acdc73ba18242b6d0988d9290e7bbf4dbe639a0fec546bf8fa455fecccad03a7b0eebb7a0be82063d1b08a9840b5e9441eebfd3df60b47740d212191030ca9062a1eaee12072ea66dcb1ee0e7f4f5934793accacaf8002ba911a20ad1a7954ba26335881d9ff171c49afe2"}, @typed={0x8, 0x9, 0x0, 0x0, @pid}, @typed={0x4, 0x7e}, @generic="2bf4dc756c1fd90073855057a913ddee31d4a8f6239a56e95c612efcd6ef06fe2588e78dee325ddb0ed43fd974521de58073ef1af7e33173891873d3a68384da29039ab91811", @typed={0x14, 0x64, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @multicast1}}, @typed={0x8, 0x95, 0x0, 0x0, @pid=0xffffffffffffffff}, @typed={0x8, 0x22, 0x0, 0x0, @ipv4=@empty}]}, @nested={0x189, 0x94, 0x0, 0x1, [@generic="e194dc409dfa5137d1820451e3cecf850687ac21ab9c76511dadf634d2192e5d445dacf3ade71be8dded57aa57d767a3611637da16dcf96695691eae84ca5ae4b9bd38ce622c97919a64188582149d59bc4e61695f4e61a21ee4ab61586376260a1c327c0a632061816909fb4ca3e2d09e5dd1ffee144c6a1b3e8e185b2627ca657def1f83292328cd6b7955cbbb95904e7aef3c5f7cdf7137e077bef32813663d392c8be0397ff343b7308ebc8dbb5f8448186a6a4bf88c8f7cefb46fd709a7bb", @typed={0x4, 0x28}, @generic="b3d3ce863fdc526534cc62a422a99841ae0aa3ce8391abf467bc9b22f2f2ab864a6905bc66ba0a475682b4735829051b80f337c520e4cd7a1eb47b3ebe4d3b5ba48eb838e40a517e1f", @generic="d1092d3c181da1eb123622a7bf7163860b68e15924a5a25f5580e9893d5de2643fcccc51f6c56e983ef1a48884c7d13f4c4d31a4b34ad6e5b5387aaad2e4d839b47ac1bae6576cea13a7de09a9fc839f49b95f32f64833f6200ae1754f6a9539f847aa6df1b4810843a7596dba7efc", @typed={0x8, 0x7b, 0x0, 0x0, @ipv4=@broadcast}]}, @generic="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"]}, 0x1570}, {&(0x7f0000000180)={0x64, 0x12, 0x1, 0x70bd28, 0x25dfdbfd, "", [@generic="0eb4abbd4e82d4180658cf959d3bb6e260ac04b90037d78f8240de780f2e8a9ac98b96fc6008ca4fbaa5309e6000345b25d0c88cef71741d36494e7448b0dce456513e216e5e2cf4d62586e21dd73b3cabf97dc5"]}, 0x64}], 0x4, &(0x7f0000002040)=[@cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, r1]}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, r1, r9]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r10, 0xee00}}}], 0xc0, 0x41}, 0x4) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000be2390417ba3fe9a4985aa41254b20b121cec8782bf4866e4f9a11427ae06a4ea956c55a5f796c70eb9db0256ae140485c6e1d78a97dcaadf6880e504f067cb8b764b44a16ebb1d6a2dd1e7a435232a0295f906376f2d5e58cc39af408e60c52113b253d6fecb1b5ece4bc84b2cb3fca871759ca583c01451d1bf357c525", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:58 executing program 0: openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x8e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x34}}, 0x0) 07:28:58 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r0, @ANYRES32=r1, @ANYRES32, @ANYBLOB="46000200fdffffffffffffff"], 0x38}}, 0x0) [ 2956.825179] nbd: must specify an index to disconnect 07:28:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x5, 0xa, 0x7fffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r7 = syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x10002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xa8, r1, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) 07:28:58 executing program 0: 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(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x1, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x4000c840}, 0x40010) 07:28:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="02000000000000000000030000000c0005000300000000000000"], 0x20}}, 0x0) 07:28:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) r3 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) (async) r4 = syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) r5 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r3]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000001fc0)={0x0, 0x0, 0x0, 0x0, 0x0}) (async) r7 = socket$inet(0x2, 0x2, 0x26) (async) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async, rerun: 32) r8 = socket$netlink(0x10, 0x3, 0x0) (rerun: 32) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r9 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r9, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r10 = getuid() sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002100)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000380)={0x6ac, 0x11, 0x10, 0x70bd25, 0x25dfdbfe, "", [@nested={0x33f, 0x92, 0x0, 0x1, [@generic="c842e599b7a28879fde7a64725fe2c9d9fd6ed11633bf3e64ba85bbb8285537260ae5cebf124542832c546972e50e14f2b24c8a076d05abcc4d0e8648468fbf64d663c56208c0c4445ce545f0eb4def747fbe33e9ce5668c4707348d3a3dc877c4dc6447d05563e67d", @generic="531120f7deb71533b5155f203a3950b6516585a15ad582b082b0178f787d9d96a5ae76b6834baed62b299bdbd3ed82be4a3fde80af7092d38595314f756a370bc42242581ea25000b46db20528af6c51f6f433f93a4879c51315dc049e9edd06b419b985323f4d6c22808c0f97d4b65fb67ae1237bcd0f1945b0fd7fcd8e163b2600ccad9a3906995ed5b2ddb367fadf670b0e15fa56234556f0f791b891110703861edb7bf68c195ab31c75d8d5688b1e5c12b7a7a1bd9c2ff41f974dcef865", @typed={0x4, 0x35}, @generic="2123445d055f672cbccd5862a3ce610cc040ae5df3cb164fdd2b3764c7f9c25aec2dabcb6189b4088f89564ff10adf85bffcb2033c5d530b52532fca5b029bb7619fc37efe", @generic="6bbf98ed8980fb344daf37708b58c90c175f7ba001b52bbf23eb0b84b772e221b0597748896bf6f0bfcb1acd01effdb270d72f2e03da96558a64d5be89a18460bccce19ff1203f16e9b1a95729ad9f44e3930f6198334b63187c3cc817f6ffb39dea3b288edddea8ac842c53f82ba00eb7b6d485a0884a2c2e4c567b8e95fef392898f3815dd7535fc101e821903", @generic="1b5c328209c4bf0b1dd11eb442c41d9e11e9c32d23a429855ee255c79d6e6cc2025e535a82b61c41ad9d9d05a71229c8ffa28163a91de57236186014ff3efdac885ef1b1b656a3282909f1428d83b8d856281f0a0e1ec0868acd82b873edeffb75d5feabac8c64d9315d6160284f785f7a85f411f330ec98b0cae8479eab72e9288369d5ed05633044fd9eade17956195ba449f560c3e09d1b320768f60ec7873da17e7c17a634b83690f63248bf521656", @generic="c42da87582438dd4bc5699c0dc061aefa872a59b8b0c7fdad92f4f5b730c8cfe2ed8f9dacf008776ee21294e78be29ab4c281e872c339de5ccb13640062c3ebdab4d6d6e876bf9cc8f496ba597b23ea567d36a68f54a67fbdf1744c3b6b9fa0f88bddd799050116c206445aaada9be7a8cda1f0aa8daaf65e1e31e6a42d0ed6a96a9b6e9ee48d7a39f05"]}, @generic="421129f388316e8359552ff43d41ef02b8b9dcc203a5ff7d5ce736d44d2ffe87952d7bd33e326e4055a3e20f93c3a3f7100ab6d35045bd039abaaf3677baac372438520fdc0ecf48afca673f418a273737fac5a4dea2f06ac330568151bf6c43b8bbb00e49e694901dfe9e51dd8c92895c9d65306b3acc54865411", @generic, @generic="7b8f47390041c1764bc25959ca8f9beadcbf54d2fc97d8a3e646afd7130d422aeefce5e554b8", @nested={0x286, 0x1b, 0x0, 0x1, [@generic="a1fa348de37f210e6f3430195400d8d14345f49b50f005378636a35fe47ebd1b124d73149b23fad7d218512e5bebd65ab65968076cd3012fe5d6379c583587a337fcd3db05f09bd53ec87076b4c2d8033f6ad76ca29298726cdfc9e7f1780d3a120a4a72b241074a5070c3f8c778c5fa9422594142798547be105c222cbfb2d9b593fa0caec165e46de61e26ad2c4b6371ed4b6415c483afd9f81e565509ab88273d23ce87ac76f09e323bdd8dda22eeadcfe47ded7b09adaa70ca7a6278413bdbcb9f087e0dfa1426db383e15c077978ecc9af5a3feb48c2b3a33a3e0121440122147df6de834eadd", @generic="a04e0d045270a97851f900a25420096e060b8c1818ecbdae0921960f24443d5f3ad6f51e7a982c7d4d359578621dbff447fc755a14d019b1f1eab1e23ea1264cd18a19482791274d43ea7f6de45f17800754c6a65b3ecf562895227aed0f8183c477bcb4d6d4e19f8c3c30a1027d851bc322315f6f383666b60d373024", @generic="ba5be1028579052989f605be034b7f4cb6a5f1564aa58e79a6872433f07d8ae9fc4bca5bb464f8dcf0cd2ba7b45a50b4d0", @generic="ac4890ea69fda02a63e37461677efd33b996c07c24b6a1b4328d35f3976a9d2593ac4d4165235057dca8f860a8dd4b806e4a0cf5ab601c8dd8ca", @typed={0x8, 0x94, 0x0, 0x0, @fd}, @generic="a87b5162c063c129b719d5ffac7cdaaca772739cb6cd99fda007605946ecb3d15edbdb9a12cde570d644af5b56928ffdb4430aaccd3c112891deec44be69cb348a9a5681f2a2416e0339abfa13382965fa18e83b35a323c0ac615eae0b62c41fae4aa0d63296da1b9cf474a564d38757bb45bd67c80a69af7776f34ff98da14d84ced7d65579db388d00a7afb2acfb4da8b709092719e31e84ef0157873ffecc8ba2696f24d00577a8"]}, @generic="7c02700c092cca65da74b90f3d040873be2b00f224f686fd6b5c643148ecee90baeb6a0e6738ca241f5ab700146856bab61145"]}, 0x6ac}, {&(0x7f0000000080)={0xd8, 0x11, 0x4, 0x70bd27, 0x25dfdbfd, "", [@generic="c6a8b0e187b29953a0bb8bc0c8e8b25625c12c3ac63a6bf2f5a19eb5fae7a6bc994fd4f5e35a7438952df33c8fb185ea0616cdb6aef8841756d0a335ff78319e20cd4d4bdc603696305ced37bbc5342cee768b61a84dfb1c5197b7c2414afc093d2d7995def9b6cbdbf6db89affab526adbe9626ddd791f70945bf15c571089e835e8e14dcf3c8c09e847746d18cccf2b237edd5802ffe335be67e09d5916f23a4188babde5adb38c6d63926cc3bfd2da5e6f5409427a808d88edae96c40b33294b78d5d84c0"]}, 0xd8}, {&(0x7f0000000a40)={0x1570, 0x19, 0x100, 0x70bd2c, 0x25dfdbfc, "", [@typed={0x4a, 0x3a, 0x0, 0x0, @binary="87e2b9fae4c3abc1e68bcfdc4f451319e3995d66f198c795455ebb75e0eeefd4a744d5f853dda378f24fbfe74c08cc26eb380932ceb98ce3a385ec603fad93605b0334946422"}, @nested={0x10, 0x7d, 0x0, 0x1, [@typed={0xc, 0x42, 0x0, 0x0, @u64}]}, @generic="213c73375ae06440858eaeda4d8a5f67d11bfe14916ee9bc6fa6f3fb12927f00172522e38e5a0ed591c1c08c7b96b41b40525fd84f1279b5134b519b9f3d6ed2b4045dee427b5b262274a5d92f448469a92d6e", @typed={0x8, 0x50, 0x0, 0x0, @str='nbd\x00'}, @nested={0x319, 0x6f, 0x0, 0x1, [@generic="7dcf5c301b1dae3c6262412786719a5cc1f60cfc37aec63716e47a16389bc059b67f7bcaa205616184d2b33dcee82883a5d63f4b60eb0ef2a50c11d12a4c281fb4c8226a4fe1735f0478901b53a56792bcfea109fe6ef979e862adffa836f9efd9da0fd5568108d43b9887115647716a99deab3d5b8600c995684a72a08da78b55a393d3e0f5f13e90e22020e5f6d6970c4e86199d65a3d8e82b3eff9b664fc3064fd75c96f3ddc734ff4293ba6647bae9a087f6525c73bab30f7915a556bf7ae8de6d06b89644185e7340e0f9dca78f763a731bcb7211", @generic="c74418d5e0989c780073040311f294a908af881498ff06827d3fa0ba41e4305ff26bd9e785d76f9ba822579630c25be7f8fba1325c9afe5ba7ee2824626d5127d349c60ad028709dead5bcd5323e7ee7704609ebd2ad2e36af7afdfeebe06a596323607301b42e83301b8426c1471971470ffecf331e5f49efca72276f4e4971b9444ee75df4f040bf5c803df73ca67bcb70e9ac749e32167d6d880558df3ad0b06630b1d3648c604f94f4c7ec0d0edcf02c2b9b716a36168a1ea3bc453652a9c5ba7e4be86e5fa194e5d5124592c7bcd382d493b92d667f", @typed={0xf0, 0x56, 0x0, 0x0, @binary="340147cc440de2b39b214e146a7c4a3abae197278f5d42ce7641404a5527922abb2fb4081c8e9032ab4c9073ad67eb2bfaa8bd5fba53944076494c750d483517c3734d91e2e411bbb955769f49aedb80da80ea011ba8397cb81350b5f5ce8c62f2e815950fc32f7a843bbd64a1885d115b6bc8ad0bbc89c0332180f94396687d90acdc73ba18242b6d0988d9290e7bbf4dbe639a0fec546bf8fa455fecccad03a7b0eebb7a0be82063d1b08a9840b5e9441eebfd3df60b47740d212191030ca9062a1eaee12072ea66dcb1ee0e7f4f5934793accacaf8002ba911a20ad1a7954ba26335881d9ff171c49afe2"}, @typed={0x8, 0x9, 0x0, 0x0, @pid}, @typed={0x4, 0x7e}, @generic="2bf4dc756c1fd90073855057a913ddee31d4a8f6239a56e95c612efcd6ef06fe2588e78dee325ddb0ed43fd974521de58073ef1af7e33173891873d3a68384da29039ab91811", @typed={0x14, 0x64, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @multicast1}}, @typed={0x8, 0x95, 0x0, 0x0, @pid=0xffffffffffffffff}, @typed={0x8, 0x22, 0x0, 0x0, @ipv4=@empty}]}, @nested={0x189, 0x94, 0x0, 0x1, [@generic="e194dc409dfa5137d1820451e3cecf850687ac21ab9c76511dadf634d2192e5d445dacf3ade71be8dded57aa57d767a3611637da16dcf96695691eae84ca5ae4b9bd38ce622c97919a64188582149d59bc4e61695f4e61a21ee4ab61586376260a1c327c0a632061816909fb4ca3e2d09e5dd1ffee144c6a1b3e8e185b2627ca657def1f83292328cd6b7955cbbb95904e7aef3c5f7cdf7137e077bef32813663d392c8be0397ff343b7308ebc8dbb5f8448186a6a4bf88c8f7cefb46fd709a7bb", @typed={0x4, 0x28}, @generic="b3d3ce863fdc526534cc62a422a99841ae0aa3ce8391abf467bc9b22f2f2ab864a6905bc66ba0a475682b4735829051b80f337c520e4cd7a1eb47b3ebe4d3b5ba48eb838e40a517e1f", @generic="d1092d3c181da1eb123622a7bf7163860b68e15924a5a25f5580e9893d5de2643fcccc51f6c56e983ef1a48884c7d13f4c4d31a4b34ad6e5b5387aaad2e4d839b47ac1bae6576cea13a7de09a9fc839f49b95f32f64833f6200ae1754f6a9539f847aa6df1b4810843a7596dba7efc", @typed={0x8, 0x7b, 0x0, 0x0, @ipv4=@broadcast}]}, @generic="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0x1570}, {&(0x7f0000000180)={0x64, 0x12, 0x1, 0x70bd28, 0x25dfdbfd, "", [@generic="0eb4abbd4e82d4180658cf959d3bb6e260ac04b90037d78f8240de780f2e8a9ac98b96fc6008ca4fbaa5309e6000345b25d0c88cef71741d36494e7448b0dce456513e216e5e2cf4d62586e21dd73b3cabf97dc5"]}, 0x64}], 0x4, &(0x7f0000002040)=[@cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, r1]}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, r1, r9]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r10, 0xee00}}}], 0xc0, 0x41}, 0x4) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getitimer(0x1, &(0x7f0000000000)={{0x0, 0x0}, {0x0, 0x0}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000001480)={0x0, 0x18, &(0x7f0000001440)={&(0x7f0000000600)=ANY=[@ANYRESDEC=r5, @ANYRES16=r4, @ANYRESHEX=r1, @ANYRESOCT=r2, @ANYRES64=r3], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair(0x1, 0x1, 0x2, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x402, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x21, 0x3, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r13, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f00000004c0)={0xa0, r6, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000041}, 0x20008000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r14, 0x1}, 0x14}}, 0x0) setsockopt$packet_fanout(r10, 0x107, 0x12, &(0x7f0000000380)={0x0, 0x1}, 0x4) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x840}, 0x20000400) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000be2390417ba3fe9a4985aa41254b20b121cec8782bf4866e4f9a11427ae06a4ea956c55a5f796c70eb9db0256ae140485c6e1d78a97dcaadf6880e504f067cb8b764b44a16ebb1d6a2dd1e7a435232a0295f906376f2d5e58cc39af408e60c52113b253d6fecb1b5ece4bc84b2cb3fca871759ca583c01451d1bf357c525", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r0, @ANYRES32=r1, @ANYRES32, @ANYBLOB="46000200fdffffffffffffff"], 0x38}}, 0x0) [ 2956.966812] nbd: must specify a device to reconfigure 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r0, @ANYRES32=r1, @ANYRES32, @ANYBLOB="46000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0137b83dd9d272a3c23e64256837000000000000000000010000000c000200000000", @ANYRES32, @ANYBLOB="0c000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x840}, 0x20000400) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) 07:28:59 executing program 5: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x23001000}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@newae={0x94, 0x1e, 0x400, 0x70bd29, 0x25dfdbfb, {{@in=@private=0xa010102, 0x4d6, 0xa, 0x6c}, @in=@private=0xa010102, 0xffffffff, 0x3505}, [@sec_ctx={0x2a, 0x8, {0x26, 0x8, 0x1, 0xff, 0x1e, "7e50ce4b41e0f0fad4a3a2e82d5656345ac689a696c8f8b89b21ec582cd6"}}, @address_filter={0x28, 0x1a, {@in6=@empty, @in=@multicast2, 0x2, 0x7, 0xff}}]}, 0x94}, 0x1, 0x0, 0x0, 0x1}, 0x4000040) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) [ 2956.991818] nbd: must specify a device to reconfigure [ 2957.001620] nbd: must specify a device to reconfigure 07:28:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x20, r2, 0xecb7a78efbb61a14, 0x70bd29, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x52}]}, 0x20}}, 0x22000801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x40) r3 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r3, 0x89e9) recvfrom$x25(r3, &(0x7f0000000000)=""/212, 0xd4, 0x40000000, 0x0, 0x0) r4 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r4, 0x89e9) ioctl$SIOCX25SCAUSEDIAG(r4, 0x89ec, &(0x7f0000000100)={0x8a}) 07:28:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) (async) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) r3 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) (async, rerun: 32) r4 = syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) (async, rerun: 32) r5 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r3]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) (async) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000001fc0)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = socket$inet(0x2, 0x2, 0x26) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r9 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r9, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r10 = getuid() sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002100)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000380)={0x6ac, 0x11, 0x10, 0x70bd25, 0x25dfdbfe, "", [@nested={0x33f, 0x92, 0x0, 0x1, [@generic="c842e599b7a28879fde7a64725fe2c9d9fd6ed11633bf3e64ba85bbb8285537260ae5cebf124542832c546972e50e14f2b24c8a076d05abcc4d0e8648468fbf64d663c56208c0c4445ce545f0eb4def747fbe33e9ce5668c4707348d3a3dc877c4dc6447d05563e67d", @generic="531120f7deb71533b5155f203a3950b6516585a15ad582b082b0178f787d9d96a5ae76b6834baed62b299bdbd3ed82be4a3fde80af7092d38595314f756a370bc42242581ea25000b46db20528af6c51f6f433f93a4879c51315dc049e9edd06b419b985323f4d6c22808c0f97d4b65fb67ae1237bcd0f1945b0fd7fcd8e163b2600ccad9a3906995ed5b2ddb367fadf670b0e15fa56234556f0f791b891110703861edb7bf68c195ab31c75d8d5688b1e5c12b7a7a1bd9c2ff41f974dcef865", @typed={0x4, 0x35}, @generic="2123445d055f672cbccd5862a3ce610cc040ae5df3cb164fdd2b3764c7f9c25aec2dabcb6189b4088f89564ff10adf85bffcb2033c5d530b52532fca5b029bb7619fc37efe", @generic="6bbf98ed8980fb344daf37708b58c90c175f7ba001b52bbf23eb0b84b772e221b0597748896bf6f0bfcb1acd01effdb270d72f2e03da96558a64d5be89a18460bccce19ff1203f16e9b1a95729ad9f44e3930f6198334b63187c3cc817f6ffb39dea3b288edddea8ac842c53f82ba00eb7b6d485a0884a2c2e4c567b8e95fef392898f3815dd7535fc101e821903", @generic="1b5c328209c4bf0b1dd11eb442c41d9e11e9c32d23a429855ee255c79d6e6cc2025e535a82b61c41ad9d9d05a71229c8ffa28163a91de57236186014ff3efdac885ef1b1b656a3282909f1428d83b8d856281f0a0e1ec0868acd82b873edeffb75d5feabac8c64d9315d6160284f785f7a85f411f330ec98b0cae8479eab72e9288369d5ed05633044fd9eade17956195ba449f560c3e09d1b320768f60ec7873da17e7c17a634b83690f63248bf521656", @generic="c42da87582438dd4bc5699c0dc061aefa872a59b8b0c7fdad92f4f5b730c8cfe2ed8f9dacf008776ee21294e78be29ab4c281e872c339de5ccb13640062c3ebdab4d6d6e876bf9cc8f496ba597b23ea567d36a68f54a67fbdf1744c3b6b9fa0f88bddd799050116c206445aaada9be7a8cda1f0aa8daaf65e1e31e6a42d0ed6a96a9b6e9ee48d7a39f05"]}, @generic="421129f388316e8359552ff43d41ef02b8b9dcc203a5ff7d5ce736d44d2ffe87952d7bd33e326e4055a3e20f93c3a3f7100ab6d35045bd039abaaf3677baac372438520fdc0ecf48afca673f418a273737fac5a4dea2f06ac330568151bf6c43b8bbb00e49e694901dfe9e51dd8c92895c9d65306b3acc54865411", @generic, @generic="7b8f47390041c1764bc25959ca8f9beadcbf54d2fc97d8a3e646afd7130d422aeefce5e554b8", @nested={0x286, 0x1b, 0x0, 0x1, [@generic="a1fa348de37f210e6f3430195400d8d14345f49b50f005378636a35fe47ebd1b124d73149b23fad7d218512e5bebd65ab65968076cd3012fe5d6379c583587a337fcd3db05f09bd53ec87076b4c2d8033f6ad76ca29298726cdfc9e7f1780d3a120a4a72b241074a5070c3f8c778c5fa9422594142798547be105c222cbfb2d9b593fa0caec165e46de61e26ad2c4b6371ed4b6415c483afd9f81e565509ab88273d23ce87ac76f09e323bdd8dda22eeadcfe47ded7b09adaa70ca7a6278413bdbcb9f087e0dfa1426db383e15c077978ecc9af5a3feb48c2b3a33a3e0121440122147df6de834eadd", @generic="a04e0d045270a97851f900a25420096e060b8c1818ecbdae0921960f24443d5f3ad6f51e7a982c7d4d359578621dbff447fc755a14d019b1f1eab1e23ea1264cd18a19482791274d43ea7f6de45f17800754c6a65b3ecf562895227aed0f8183c477bcb4d6d4e19f8c3c30a1027d851bc322315f6f383666b60d373024", @generic="ba5be1028579052989f605be034b7f4cb6a5f1564aa58e79a6872433f07d8ae9fc4bca5bb464f8dcf0cd2ba7b45a50b4d0", @generic="ac4890ea69fda02a63e37461677efd33b996c07c24b6a1b4328d35f3976a9d2593ac4d4165235057dca8f860a8dd4b806e4a0cf5ab601c8dd8ca", @typed={0x8, 0x94, 0x0, 0x0, @fd}, @generic="a87b5162c063c129b719d5ffac7cdaaca772739cb6cd99fda007605946ecb3d15edbdb9a12cde570d644af5b56928ffdb4430aaccd3c112891deec44be69cb348a9a5681f2a2416e0339abfa13382965fa18e83b35a323c0ac615eae0b62c41fae4aa0d63296da1b9cf474a564d38757bb45bd67c80a69af7776f34ff98da14d84ced7d65579db388d00a7afb2acfb4da8b709092719e31e84ef0157873ffecc8ba2696f24d00577a8"]}, @generic="7c02700c092cca65da74b90f3d040873be2b00f224f686fd6b5c643148ecee90baeb6a0e6738ca241f5ab700146856bab61145"]}, 0x6ac}, {&(0x7f0000000080)={0xd8, 0x11, 0x4, 0x70bd27, 0x25dfdbfd, "", [@generic="c6a8b0e187b29953a0bb8bc0c8e8b25625c12c3ac63a6bf2f5a19eb5fae7a6bc994fd4f5e35a7438952df33c8fb185ea0616cdb6aef8841756d0a335ff78319e20cd4d4bdc603696305ced37bbc5342cee768b61a84dfb1c5197b7c2414afc093d2d7995def9b6cbdbf6db89affab526adbe9626ddd791f70945bf15c571089e835e8e14dcf3c8c09e847746d18cccf2b237edd5802ffe335be67e09d5916f23a4188babde5adb38c6d63926cc3bfd2da5e6f5409427a808d88edae96c40b33294b78d5d84c0"]}, 0xd8}, {&(0x7f0000000a40)={0x1570, 0x19, 0x100, 0x70bd2c, 0x25dfdbfc, "", [@typed={0x4a, 0x3a, 0x0, 0x0, @binary="87e2b9fae4c3abc1e68bcfdc4f451319e3995d66f198c795455ebb75e0eeefd4a744d5f853dda378f24fbfe74c08cc26eb380932ceb98ce3a385ec603fad93605b0334946422"}, @nested={0x10, 0x7d, 0x0, 0x1, [@typed={0xc, 0x42, 0x0, 0x0, @u64}]}, @generic="213c73375ae06440858eaeda4d8a5f67d11bfe14916ee9bc6fa6f3fb12927f00172522e38e5a0ed591c1c08c7b96b41b40525fd84f1279b5134b519b9f3d6ed2b4045dee427b5b262274a5d92f448469a92d6e", @typed={0x8, 0x50, 0x0, 0x0, @str='nbd\x00'}, @nested={0x319, 0x6f, 0x0, 0x1, [@generic="7dcf5c301b1dae3c6262412786719a5cc1f60cfc37aec63716e47a16389bc059b67f7bcaa205616184d2b33dcee82883a5d63f4b60eb0ef2a50c11d12a4c281fb4c8226a4fe1735f0478901b53a56792bcfea109fe6ef979e862adffa836f9efd9da0fd5568108d43b9887115647716a99deab3d5b8600c995684a72a08da78b55a393d3e0f5f13e90e22020e5f6d6970c4e86199d65a3d8e82b3eff9b664fc3064fd75c96f3ddc734ff4293ba6647bae9a087f6525c73bab30f7915a556bf7ae8de6d06b89644185e7340e0f9dca78f763a731bcb7211", @generic="c74418d5e0989c780073040311f294a908af881498ff06827d3fa0ba41e4305ff26bd9e785d76f9ba822579630c25be7f8fba1325c9afe5ba7ee2824626d5127d349c60ad028709dead5bcd5323e7ee7704609ebd2ad2e36af7afdfeebe06a596323607301b42e83301b8426c1471971470ffecf331e5f49efca72276f4e4971b9444ee75df4f040bf5c803df73ca67bcb70e9ac749e32167d6d880558df3ad0b06630b1d3648c604f94f4c7ec0d0edcf02c2b9b716a36168a1ea3bc453652a9c5ba7e4be86e5fa194e5d5124592c7bcd382d493b92d667f", @typed={0xf0, 0x56, 0x0, 0x0, @binary="340147cc440de2b39b214e146a7c4a3abae197278f5d42ce7641404a5527922abb2fb4081c8e9032ab4c9073ad67eb2bfaa8bd5fba53944076494c750d483517c3734d91e2e411bbb955769f49aedb80da80ea011ba8397cb81350b5f5ce8c62f2e815950fc32f7a843bbd64a1885d115b6bc8ad0bbc89c0332180f94396687d90acdc73ba18242b6d0988d9290e7bbf4dbe639a0fec546bf8fa455fecccad03a7b0eebb7a0be82063d1b08a9840b5e9441eebfd3df60b47740d212191030ca9062a1eaee12072ea66dcb1ee0e7f4f5934793accacaf8002ba911a20ad1a7954ba26335881d9ff171c49afe2"}, @typed={0x8, 0x9, 0x0, 0x0, @pid}, @typed={0x4, 0x7e}, @generic="2bf4dc756c1fd90073855057a913ddee31d4a8f6239a56e95c612efcd6ef06fe2588e78dee325ddb0ed43fd974521de58073ef1af7e33173891873d3a68384da29039ab91811", @typed={0x14, 0x64, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @multicast1}}, @typed={0x8, 0x95, 0x0, 0x0, @pid=0xffffffffffffffff}, @typed={0x8, 0x22, 0x0, 0x0, @ipv4=@empty}]}, @nested={0x189, 0x94, 0x0, 0x1, [@generic="e194dc409dfa5137d1820451e3cecf850687ac21ab9c76511dadf634d2192e5d445dacf3ade71be8dded57aa57d767a3611637da16dcf96695691eae84ca5ae4b9bd38ce622c97919a64188582149d59bc4e61695f4e61a21ee4ab61586376260a1c327c0a632061816909fb4ca3e2d09e5dd1ffee144c6a1b3e8e185b2627ca657def1f83292328cd6b7955cbbb95904e7aef3c5f7cdf7137e077bef32813663d392c8be0397ff343b7308ebc8dbb5f8448186a6a4bf88c8f7cefb46fd709a7bb", @typed={0x4, 0x28}, @generic="b3d3ce863fdc526534cc62a422a99841ae0aa3ce8391abf467bc9b22f2f2ab864a6905bc66ba0a475682b4735829051b80f337c520e4cd7a1eb47b3ebe4d3b5ba48eb838e40a517e1f", @generic="d1092d3c181da1eb123622a7bf7163860b68e15924a5a25f5580e9893d5de2643fcccc51f6c56e983ef1a48884c7d13f4c4d31a4b34ad6e5b5387aaad2e4d839b47ac1bae6576cea13a7de09a9fc839f49b95f32f64833f6200ae1754f6a9539f847aa6df1b4810843a7596dba7efc", @typed={0x8, 0x7b, 0x0, 0x0, @ipv4=@broadcast}]}, @generic="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"]}, 0x1570}, {&(0x7f0000000180)={0x64, 0x12, 0x1, 0x70bd28, 0x25dfdbfd, "", [@generic="0eb4abbd4e82d4180658cf959d3bb6e260ac04b90037d78f8240de780f2e8a9ac98b96fc6008ca4fbaa5309e6000345b25d0c88cef71741d36494e7448b0dce456513e216e5e2cf4d62586e21dd73b3cabf97dc5"]}, 0x64}], 0x4, &(0x7f0000002040)=[@cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, r1]}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, r1, r9]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r10, 0xee00}}}], 0xc0, 0x41}, 0x4) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r0, @ANYRES32=r1, @ANYRES32, @ANYBLOB="46000200fdffffffffffffff"], 0x38}}, 0x0) 07:28:59 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) 07:28:59 executing program 5: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x23001000}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@newae={0x94, 0x1e, 0x400, 0x70bd29, 0x25dfdbfb, {{@in=@private=0xa010102, 0x4d6, 0xa, 0x6c}, @in=@private=0xa010102, 0xffffffff, 0x3505}, [@sec_ctx={0x2a, 0x8, {0x26, 0x8, 0x1, 0xff, 0x1e, "7e50ce4b41e0f0fad4a3a2e82d5656345ac689a696c8f8b89b21ec582cd6"}}, @address_filter={0x28, 0x1a, {@in6=@empty, @in=@multicast2, 0x2, 0x7, 0xff}}]}, 0x94}, 0x1, 0x0, 0x0, 0x1}, 0x4000040) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x840}, 0x20000400) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x840}, 0x20000400) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) 07:28:59 executing program 4: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x23001000}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@newae={0x94, 0x1e, 0x400, 0x70bd29, 0x25dfdbfb, {{@in=@private=0xa010102, 0x4d6, 0xa, 0x6c}, @in=@private=0xa010102, 0xffffffff, 0x3505}, [@sec_ctx={0x2a, 0x8, {0x26, 0x8, 0x1, 0xff, 0x1e, "7e50ce4b41e0f0fad4a3a2e82d5656345ac689a696c8f8b89b21ec582cd6"}}, @address_filter={0x28, 0x1a, {@in6=@empty, @in=@multicast2, 0x2, 0x7, 0xff}}]}, 0x94}, 0x1, 0x0, 0x0, 0x1}, 0x4000040) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) [ 2957.097689] nbd: must specify a device to reconfigure [ 2957.115517] nbd: must specify a device to reconfigure [ 2957.156590] nbd: must specify a device to reconfigure 07:28:59 executing program 5: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x23001000}, 0xc, &(0x7f0000000040)={&(0x7f0000000100)=@newae={0x94, 0x1e, 0x400, 0x70bd29, 0x25dfdbfb, {{@in=@private=0xa010102, 0x4d6, 0xa, 0x6c}, @in=@private=0xa010102, 0xffffffff, 0x3505}, [@sec_ctx={0x2a, 0x8, {0x26, 0x8, 0x1, 0xff, 0x1e, "7e50ce4b41e0f0fad4a3a2e82d5656345ac689a696c8f8b89b21ec582cd6"}}, @address_filter={0x28, 0x1a, {@in6=@empty, @in=@multicast2, 0x2, 0x7, 0xff}}]}, 0x94}, 0x1, 0x0, 0x0, 0x1}, 0x4000040) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) [ 2957.195177] nbd: must specify a device to reconfigure 07:28:59 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000140)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000800)={0x0, 0x8, 0x0, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000180)=[{}], 0x4, 0x0, &(0x7f0000000640)=[{}, {}, {}, {}], 0x7, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r3, 0x0, &(0x7f0000000040)}) 07:28:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x4c, r6, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x24000095) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000003000000000000000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0xfffffffffffffedf, r1, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f5, 0x10, 0x70bd28, 0x25dfdbfd, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40081}, 0x20000000) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3500c359568ef2cc}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x1) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x20000880) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x64, r5, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8dff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd731}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}]}, 0x64}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r5, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd0d}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004010}, 0x4000) 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x2000e011}, 0x20000040) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x70, r2, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x32}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe73a}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="0500ff76", @ANYRES8=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 07:28:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) [ 2957.217233] nbd: must specify a device to reconfigure [ 2957.225270] nbd: must specify a device to reconfigure [ 2957.245761] nbd: must specify a device to reconfigure 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100000000000000200003000000"], 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x908f1ce7784b2029}, 0x4000080) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4081}, 0x40) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x70, r2, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x32}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe73a}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="0500ff76", @ANYRES8=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 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$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x70, r2, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x32}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe73a}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="0500ff76", @ANYRES8=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) (async) [ 2957.302795] nbd: must specify an index to disconnect [ 2957.314910] nla_parse: 21 callbacks suppressed [ 2957.314916] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2957.333264] nbd: must specify at least one socket 07:28:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x4c, r6, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x24000095) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000003000000000000000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0xfffffffffffffedf, r1, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) (async) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f5, 0x10, 0x70bd28, 0x25dfdbfd, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40081}, 0x20000000) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3500c359568ef2cc}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x1) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x20000880) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x64, r5, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8dff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd731}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}]}, 0x64}}, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r5, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd0d}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004010}, 0x4000) 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x4c, r6, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x24000095) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000003000000000000000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0xfffffffffffffedf, r1, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f5, 0x10, 0x70bd28, 0x25dfdbfd, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40081}, 0x20000000) [ 2957.353009] nbd: must specify an index to disconnect [ 2957.360950] nbd: must specify a device to reconfigure 07:28:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100000000000000200003000000"], 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x908f1ce7784b2029}, 0x4000080) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4081}, 0x40) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100000000000000200003000000"], 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$nbd(&(0x7f0000000340), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x908f1ce7784b2029}, 0x4000080) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4081}, 0x40) (async) [ 2957.394421] nbd: must specify a device to reconfigure [ 2957.409958] nbd: must specify an index to disconnect [ 2957.430715] nbd: must specify an index to disconnect 07:28:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x4c, r6, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x24000095) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000003000000000000000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0xfffffffffffffedf, r1, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f5, 0x10, 0x70bd28, 0x25dfdbfd, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40081}, 0x20000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r3, 0x0, 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$nbd(&(0x7f0000000340), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x4c, r6, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x24000095) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000003000000000000000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0xfffffffffffffedf, r1, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) (async) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f5, 0x10, 0x70bd28, 0x25dfdbfd, "", ["", "", "", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40081}, 0x20000000) (async) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x70, r2, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x32}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe73a}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="0500ff76", @ANYRES8=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) 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$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x70, r2, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x32}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe73a}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="0500ff76", @ANYRES8=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x40000) (async) [ 2957.455602] nbd: must specify an index to disconnect 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100000000000000200003000000"], 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x908f1ce7784b2029}, 0x4000080) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4081}, 0x40) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3500c359568ef2cc}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x1) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x20000880) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x64, r5, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8dff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd731}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}]}, 0x64}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r5, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd0d}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004010}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3500c359568ef2cc}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x4c, r5, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x20000880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x64, r5, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8dff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd731}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}]}, 0x64}}, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r5, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd0d}]}, 0x40}, 0x1, 0x0, 0x0, 0x20004010}, 0x4000) (async) [ 2957.487100] nbd: must specify an index to disconnect [ 2957.494099] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2957.524575] nbd: must specify a device to reconfigure 07:28:59 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = syz_open_dev$mouse(&(0x7f0000000000), 0xf4c, 0x600) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) r4 = openat$vimc0(0xffffffffffffff9c, &(0x7f00000010c0), 0x2, 0x0) r5 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001100), 0x2, 0x0) r6 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000001140)={0x28, 0x0, 0xffffb1dd, @local}, 0x10, 0x80800) r7 = syz_open_dev$media(&(0x7f0000001180), 0xc370, 0x402400) r8 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001440)={&(0x7f0000000000), 0xc, &(0x7f0000001040)=[{&(0x7f00000000c0)={0x5b8, 0x2d, 0x2, 0x70bd26, 0x25dfdbfc, "", [@nested={0x220, 0x42, 0x0, 0x1, [@typed={0x14, 0x11, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @remote}}, @generic="c1f87c32aa60f9a9dd1cbbafb46a23b3247eeba153123e418c5f372c5fa05afa21df5dd8fce52ad4c63c75656e9e2b337c8f77ed92a9cad59fe0b7bd637e162fea182d6247fa31ec6f68299f1a043f1dede359c373c351dbf811685f1fab578b63109b0e79bc900dc8786a0c26671a4ac188ea1708e637b6f8b15f989073da6c0d8e66fea6c76ffe2b645c6fa83b232643f6c9e1b85b642f4acfb414eb3b24a36ed8c1128cfd80237db1e46e1489b6b9736ac285768c2ece9100da1667751ee1e70565f5f22fe029514212305b716c8ba4ea434f8687857982c443e692bed64f8b6a89ba", @typed={0x8, 0x80, 0x0, 0x0, @ipv4=@broadcast}, @generic="183a085c63f82fb54a17779ed1cb16a0ccae35ce5b94523a34eb440f76661397390d7b9332ea79cadd88ec504b529fb9dbdedc4ef1edc94beeedbe7172b3674ba940cfc9a0807a19d0b6f6736b6c24", @generic="018316a39c30be81412b0aa2bcbd2036705d10c334f9dac076ed7b688a96c8dc8d1cf53c3c6f654907dcb392470341895c9fedd09d8a0fa17833d12942a269bc83e307dfa0c0aeac1c42cc5c88639883b4611a9e025968b6679ea6f4b0d7d3d420ecccdd762c2578b488e1840ddf32e5d512d8283a3b51ea787814ef58782b0e4bd4b1db641392bf0754b3314f6312710d097594fef8caa7d3739ce7c974c6cba60f90be27a65d60a7dace4fa290d66cb2655744261f8d891d865af67663bd2c731952e50684f0b9a9", @typed={0x4, 0x1a}]}, @nested={0x156, 0x82, 0x0, 0x1, [@typed={0x9, 0x8f, 0x0, 0x0, @str=',/%,\x00'}, @typed={0x8, 0x30, 0x0, 0x0, @u32=0x1}, @typed={0x8, 0x16, 0x0, 0x0, @pid=0xffffffffffffffff}, @generic="d4671d1adf4e7acb73e864fd739a6b6609dea8071d1a7b2c689c0fc04428bc106a44e96c5d23db63360c283ad5f5c34817d54b349123c3be9d033fc4db065bfabed05dca7023c9443d1d5da8d3548200b8249a25b018fe353c96d77d0418987d93869bc2f39d8b433461a36c343a00fe06605f62c544851174f4876d2b14e21a2ff62b826f386d", @generic="34edcd166966c882cf2afaf0df44d313e1810315b28f612e8d579030163bb23aa9444390f01d7becefecfa05192cfb6ef90f9b905803e6614c0b860633f17074bc7b3a98b14cb7478ecb2ea9867eb285a8455c12a123f98023d2a394a2bee8b285ae6101f9a05578101d14320bd80760a1485243f5c70444088d940925ff07a463ac76de69381f0d7598ad1138f3965170504dbfec0b20e4bd85550f0744785689ce31b6dc235c", @typed={0x5, 0x36, 0x0, 0x0, @str='\x00'}]}, @typed={0x4, 0x64}, @generic="06cd2880e7fd3e17ddd3954fbc0c9680002841a5543ba4a2dfde59b7aae081d410f761e16e28cd43021ca0066442a1701ce246cc2425d122a0a3b0f8706b7dc87adfe38ad6702b6d5e9c8c730a1a3e9c56ef17c7cd5571f98b9609e59abf6e9414636a68585177042522bc58804995a7fa3bc0ace07d408e2e01634ec2a867f8d25914fb9b32ea3a1b8fefd77f7bc07e1235dbbf68ad240fe5501f2a6143b3cfecd637fad8c9dd763ca334bcf76f0413a483366717125df81a4a9bf03464e42ea1bd7e", @nested={0x73, 0x0, 0x0, 0x1, [@typed={0xa, 0x1, 0x0, 0x0, @str='K#!%}\x00'}, @generic="e6a215516d01b6c6ea3e881e43bcd2bdd7b362240716c815246a416d1b3d44a534f67ed711634e7b18eda5ae05098ac12910e77baa0bf22f3bdb92eb03acce148e891531f00e74c23ed9c1060816fc0aec487690aea2622d460956", @typed={0x8, 0x22, 0x0, 0x0, @pid=r3}]}, @nested={0xf4, 0x6b, 0x0, 0x1, [@typed={0xed, 0x8e, 0x0, 0x0, @binary="a5583e47fd8fa90c25ba033bc00691e966d2bac37141267c064e368a0486bb7f3425d9735bf4ff9f88509413805707b6dbf3f41ac5303927c4b264b9b306918eef25cbfe70cd30f146e16890b08749ba09280bf76350c6fc97b83ad55fc75aa2cbba2c11b40a8edf86d7b8581a81950d773f27a81e4bdc7e5502627cdb3a0339caec4c8c8bf46ea6f75496e2ac57f262105a0dd7aaa7c4dd2d4b014a13618294dae33a2429aa23776bbe93c1acf7142c18734b449fb63a5c56cb69791dae91d7615323aa0e42a9ba6bebaa0c2c6c5cab81ad1b0a433f0202ac5d52a0accc27d0485882e3025601b8e8"}]}]}, 0x5b8}, {&(0x7f00000006c0)={0x104, 0x1c, 0x8, 0x70bd26, 0x25dfdbff, "", [@nested={0x4, 0x79}, @generic="75354c9c9ace0091295886a490e55fa0", @generic="a878d7b46e6f1a5630c04b68cdd5a2ae586a049d9c5b13988a4e235fe44ff4cf9580656fa08b7c8302", @generic="19d3e7cb787c0a7e6ba5fc36f24b04447940a389334db41f8e3b0c76f007eb4d3d224cf22034725dd4fc3c68dce42ffe2bb114", @generic="7ec6a7da2bb09a82f3a570881a394511d64bf3ed17bbbeddde24af9b4c420c13958ff3aba5f124e4fdf6d31a92bcb46af96515aafd4e13aed64e4f5081ffca8ee857849e1a6eec0060365cc964b3c48fbe44e4047d6d239b7b9995df0d117bb016120b0694ee60d52823ffe8f3a19d187fbcc87326f36b2852dcde897f337e42475718"]}, 0x104}, {&(0x7f0000000cc0)={0x14, 0x2f, 0x800, 0x70bd2d, 0x25dfdbfb, "", [@nested={0x4, 0x5d, 0x0, 0x1, [@generic, @generic]}]}, 0x14}], 0x3, &(0x7f0000001380)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r5]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r6]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r7]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0xc0, 0x854}, 0x0) getresuid(&(0x7f0000000180)=0x0, &(0x7f00000001c0), &(0x7f00000008c0)) r10 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r10, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) socketpair(0x18, 0x3, 0x800, &(0x7f0000000dc0)={0xffffffffffffffff}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000003100)={{{@in=@empty, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in6=@private1}}, &(0x7f0000003200)=0xe8) r13 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f00000058c0), 0x2, 0x0) sendmsg$netlink(r2, &(0x7f0000005940)={&(0x7f0000000140)=@proc={0x10, 0x0, 0x25dfdbfd, 0x4000000}, 0xc, &(0x7f0000005840)=[{&(0x7f0000000280)={0x314, 0x1b, 0x2, 0x70bd26, 0x25dfdbfd, "", [@typed={0xba, 0x65, 0x0, 0x0, @binary="08d8222a2230ca48936861ccec318ec4d5ae1d56c38a9905c3d308684a12cac355cfb22415e33643fb20475a1187ae7301ac6d03eead963e3917401b9a4415e971def689093e4609b3d39ad6437480204d861aaa49d409ee6762aeda1b94bfaf00d5c3bd0c2ef4fd80074c9cb397d2123dd393ebf768a95a4278aa0fffa40ce2523529b1f5a5816cbd5dd0681319e5d4b5d83266b39e0e5354e2d0d2ac8918ff0d153679c0f5785128930d3d1230dab33eafb8c073ed"}, @nested={0x246, 0x8e, 0x0, 0x1, [@typed={0x8, 0x3b, 0x0, 0x0, @ipv4=@broadcast}, @typed={0x8, 0x8, 0x0, 0x0, @ipv4=@rand_addr=0x64010100}, @typed={0x8, 0xd, 0x0, 0x0, @u32=0xa8}, @generic="66084906bdbf915a214ed7ba9bac05e3081c4421a3572124285341774c8bdb2886d63d26ccc90f958b9efba26af0f4aeba63e33359cb6fa1e0bb3665a8f332f59e28e74612aa34e6df3a56c3ed7892f23e8b65f040a8b4dd589071890086b82b67b1ae82435e4c6d80ee71573c000950896991a174d01cf95c617d55e97cf7a2d3a6669097f1a02387f7079e2a560c72a3cf52896d51e814f73cb9992541d29928a57dbebb46938c85145731f29f598f1a1d8502fbb1434e0b7389e1", @typed={0xb, 0x8, 0x0, 0x0, @str='/+-!]-\x00'}, @generic="2aefaf7efaf70e913a66e62b7ac19fc5700b9cb4d360c8cb53fcac669ecb69e7a88347ea795228dd270a8fd1c344e058b2445aea07aa6a739b25ef56324942642b8307d220fd995ea55165ecb2f4232f09bbea285ffe28f4a11c4b26bc704550d581fbb235eaf0", @generic="086dbb720b8853b57d0b33553096b9f18a70d5698035416dc962d3d60e22d804f16253a45cf675843160b50ff819f3342a45685462532ce67027f531dc93a4797531d70929821a673d05f58fd01d3541b56a71a6b6b9b9c46863daf2523d456d6dc017160da9c5cb44d5f1dd618f03be94a17a7423dacd86d7bf6e507cff700ae9aef5fabe0fdab7305e0d053cfc308e2d050d72f0286961653edf754bd6cd5139351a96623a3cdfc8e2e5ae951ce48e49b7fe274ab7c57d21d22e9455411d7c8fb9a3b1fc439ae633ffabec4061478944cbe27032e3a0887453c369f39c77b9ccecf1ab34714a5f4a7831a5fa15344e670005", @typed={0x8, 0x84, 0x0, 0x0, @pid=r3}]}]}, 0x314}, {&(0x7f0000000600)={0x288, 0x2f, 0x20, 0x70bd26, 0x25dfdbff, "", [@nested={0x99, 0x2d, 0x0, 0x1, [@generic="ad61c1933d2f4a8e826e45eb4fac35505c8fecbbb3ce1070f64e234e7cc6016d79c6470c992ee72efb62dfaa9365b1ca4b86dcdc78", @typed={0x60, 0x39, 0x0, 0x0, @binary="4634f6b11a767b17284f5fa59b131de9560766d5e0afc18edee1782db5509dbadea2a14b2c2105e18640fc7f70fabf293d240d49eea6930f7db35a64b65785f7f4247f79d454f1dafd64c7f965d07ba3e7a71a4a484453246b5f388e"}]}, @typed={0xc, 0x24, 0x0, 0x0, @u64=0x1}, @generic="cd15c933a76b13d2d4bf7b5cdfd72403db1b57e58f0928f01ebe751d", @typed={0x8, 0x6, 0x0, 0x0, @ipv4=@loopback}, @typed={0x14, 0x4e, 0x0, 0x0, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @nested={0x197, 0x64, 0x0, 0x1, [@typed={0x14, 0x82, 0x0, 0x0, @ipv6=@mcast2}, @generic="44f094032bacdd0146000bc2f1f2e095b1233abb30ed58dc43265ca5440d6d8bc225d1785810af4f74db261018b2de7f3e32cfcee095a343a92dc1552ca76862067737776dfdf46dd5a6377fafe8a91889c52de11cced78438e1b2e430ea284dedc5be04949004954defc8eb56b6248041f0cea734af610c4d105aab3d47903542c13c597ba4a0bd22db8643de3bcefe172db2a0416f3519e78bd7ca46", @generic="29f49a0bd3cf4cef6d90c2f0572a3c8738acf42e1f62fff7dfffcd91a8f050285dbbab80e6e6b79953b748593ec0ddc59a2374c1f15bf67397d44d39d4d21fc6daa5f0b2e8c43648f66b4dae7e55bcbaeb84ef3ece0ec4e1f635419fb0f4711e876afb0a9980935071614e72ddda8af25c4e49f2d003a3bb30976e4837f38a3e0b8b074c108e3a0a429719d0894ef9eda17e610f8e3bcf637199903c8ed8ce05fadcc03a6b5e1b28a3dcd645166154ca2399b466c1fb8062b2c1f5e4b5004538054578fbf28cc525a7875d78e69e64ee94fa5fedecc28b6774f8822e9d2102ab5c1e"]}]}, 0x288}, {&(0x7f0000000900)={0x28, 0x13, 0x2, 0x70bd29, 0x25dfdbfb, "", [@typed={0x8, 0x57, 0x0, 0x0, @fd=r0}, @typed={0x8, 0x30, 0x0, 0x0, @fd=r0}, @typed={0x8, 0x40, 0x0, 0x0, @uid=r9}]}, 0x28}, {&(0x7f0000000940)={0x458, 0x18, 0x20, 0x70bd25, 0x25dfdbff, "", [@nested={0xe9, 0x15, 0x0, 0x1, [@typed={0x14, 0x4, 0x0, 0x0, @ipv6=@mcast1}, @typed={0x8, 0x43, 0x0, 0x0, @u32=0x70466a4e}, @generic="8c2883f3482ed161ff68ed60ab6268673a7f88f9dbe2b4493a72", 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@generic="951b9b988f23c34b64e3cd0cf67fd1402f44cefddace90cda5794106663a44465c0900c10c819a5a98b6089780b0dba859fb2a81744ba7ae45d8f4e99a3445ad64cb096efa1615183916d34a799cf719aa408690dfba2d5433e0bcb2a2dcbcb0e73e2ce383e284bf506ffdb28ad957e3e8055786d98ed1033af089358e754610bb7068c7bee3403260b62e010bd20a6de915445d530d2d5405db1c1eed4698d6db26ceabb78ccbb00c3b7d0c3a69f0f7b2bfad5c6affddfe35da6738f601e5d91f0a9195a268ef3acbe176b98e638d2c3528b422abb9353f75f4bf839e3352fec15fa86cbd155a565a817e4eea150e", @typed={0x8, 0x16, 0x0, 0x0, @uid}, @typed={0x100, 0xc, 0x0, 0x0, @binary="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"}, @typed={0x4, 0x71}]}, @nested={0x129f, 0x56, 0x0, 0x1, [@generic="c120e629e4b3f457a84602b677e85ff592ff82116ce5ec96fb0988c9c3a191a835285a04246f41746a7535b6f25e1dc7b02e00d1a2cadbddcae542e9c1f2fdc0ce967bd06e1ca303beec36540edb242f6de077a6753e773b903b20e1ceb802a095756a4f6175a5dfc4bf02bb4131e46b03f7ab91a79b699e7060fb071759c6abfc60bfbd787ce0c75b763eaf1efcf6f480d25faae3d8badf380a59eff3ae444ab61151d4c54f28442552d24fae063d0d65d6fd0e0b303b879fa61fb2381c3ce8a8e11de5993a31221eeef039fd32e3ae4c6fff89c00bf20ee8b630f3895d0b0f", @generic="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@generic="613a10b73096689ce0e6844a03338b9c6970f4af0a82f9a84c72cb61fcfe22c63034300a90120c9d7a56e37eaed1121011cd43f7af49a79d944eeb509659029a7eaf98f3b554084429253c830286624044d9461b16e6f4f4c9a28afdd3be46abadd2166e1e46615388610e7a3c1953d29b6bbc523915c36c77bdac1e1e47c42511ac736efd803a680ccf261cb812972f4383938912b77c6c60a8f4447faf67e75a62a32e63206f6e1088d27b2b41f6aba09a3a12", @generic="00ad53072da393cd0d09bf5d96896f9dfbd0ab10329c1a676dd9709953b2573a8538e4084011a2dd2be5d6621bbdd405907e07228432f9917e8a2bf64198ee978eb130a4b210387530f150d14562ae54c8c7cffa5ebc7b8416bd0ef0a00fcd43cc249f5dc42c79563327497ae20f206fe961dd31bf1be7db2ee54d22", @generic="22224441568dbe417b19676a167c31a50d21d55dcb8cdcfe25f19b768ef89eb90a0a62dac73c2f2055a23dfdae84bca6c487d265a74109211281db1e179205866638522e77dd8198fde6f883e29eac527a3e9898dc5f21dae68b3d737a06c74876ce25b3124fed8664d323b0dfb4d780341404262fac026f02c746f812fcf3bec85280154037ba4300d14d"]}, @typed={0x8, 0x3a, 0x0, 0x0, @uid=0xee01}, @typed={0x8, 0x69, 0x0, 0x0, @uid=r12}, @typed={0x8, 0x68, 0x0, 0x0, @u32=0x7}]}, 0x25f4}], 0x6, &(0x7f0000005900)=[@rights={{0x18, 0x1, 0x1, [r0, r13]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00, 0xee01}}}], 0x38, 0x800}, 0x101) [ 2957.535743] nbd: must specify an index to disconnect [ 2957.553256] nbd: must specify an index to disconnect [ 2957.563244] nbd: must specify a device to reconfigure 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100000000000000200003000000"], 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r5, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x908f1ce7784b2029}, 0x4000080) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x4081}, 0x40) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20100001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x10, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '{*'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}}, 0x40) 07:28:59 executing program 2: socket$netlink(0x10, 0x3, 0x5) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$mouse(&(0x7f00000000c0), 0x5, 0x60040) getrusage(0x1, &(0x7f0000000000)) 07:28:59 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x50, r2, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_COOKIE={0xc, 0xf, 0x6}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @broadcast}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @private2={0xfc, 0x2, '\x00', 0x1}}, @L2TP_ATTR_SEND_SEQ={0x5}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xae99}]}, 0x50}, 0x1, 0x0, 0x0, 0xc0c0}, 0x20008084) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) 07:28:59 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000340)={0x28, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@L2TP_ATTR_COOKIE={0xc, 0xf, 0x1}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x2}]}, 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) r3 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r3, 0xaf01, 0x0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2957.593371] nbd: must specify an index to disconnect [ 2957.599463] nbd: must specify an index to disconnect [ 2957.616472] nbd: must specify at least one socket 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="141c8f81a7e21800a020ee", @ANYRES16=r2, @ANYBLOB="01000000000000000000038000001011c5a9a8c00e4e4378dc109d5fe198c9c2b4e6d00ef64ebb9b4862f27fe8365db5ba8bc628ef1775"], 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r3, 0xc0106426, &(0x7f0000000000)={0xa, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 2957.661599] nbd: must specify an index to disconnect [ 2957.673075] nbd: must specify a device to reconfigure 07:28:59 executing program 2: socket$netlink(0x10, 0x3, 0x5) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async, rerun: 64) syz_open_dev$mouse(&(0x7f00000000c0), 0x5, 0x60040) getrusage(0x1, &(0x7f0000000000)) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20100001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x10, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '{*'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20100001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x10, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '{*'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}}, 0x40) (async) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="141c8f81a7e21800a020ee", @ANYRES16=r2, @ANYBLOB="01000000000000000000038000001011c5a9a8c00e4e4378dc109d5fe198c9c2b4e6d00ef64ebb9b4862f27fe8365db5ba8bc628ef1775"], 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) ioctl$DRM_IOCTL_RES_CTX(r3, 0xc0106426, &(0x7f0000000000)={0xa, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) 07:28:59 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) getpeername$packet(r3, &(0x7f0000000040), &(0x7f0000000080)=0x14) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}]}, 0x30}}, 0x0) [ 2957.710604] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 07:28:59 executing program 2: socket$netlink(0x10, 0x3, 0x5) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) syz_open_dev$mouse(&(0x7f00000000c0), 0x5, 0x60040) (async) getrusage(0x1, &(0x7f0000000000)) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20100001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x10, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '{*'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}}, 0x40) 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$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20100001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r4, 0x10, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '{*'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}}, 0x40) (async) [ 2957.777449] nbd: must specify a device to reconfigure [ 2957.795457] nbd: must specify a device to reconfigure [ 2957.803234] nbd: must specify a device to reconfigure 07:28:59 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$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) [ 2957.842391] nbd: must specify at least one socket 07:28:59 executing program 4: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x2080, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000140)={0x0, 0x7, 0x0, &(0x7f0000000280)=[{}, {}, {0x80000000}, {}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000600)=[{}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f0000000940)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000a80)=[{}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f00000001c0)={{0x80000000, 0x0, 0x0, [0x0, 0x1]}, {r2, 0x0, 0x1, [0x7fff, 0x6]}, 0x1, [0x7fffffff, 0x7f]}) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000580), 0xffffffffffffffff) sendmsg$L2TP_CMD_NOOP(r1, &(0x7f0000000c00)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000bc0)={&(0x7f0000000b80)={0x40, r3, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0xff4a}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x8001}, @L2TP_ATTR_LNS_MODE={0x5, 0x14, 0x8}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @remote}]}, 0x40}}, 0x40) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r4, 0x0, &(0x7f0000000040)}) bind$vsock_stream(r1, &(0x7f0000000c40)={0x28, 0x0, 0xffffd8ef}, 0x10) [ 2957.864748] nbd: must specify a device to reconfigure 07:28:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r3 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) sendmsg$AUDIT_TRIM(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x3f6, 0x20, 0x70bd29, 0x25dfdbfb, "", [""]}, 0x10}, 0x1, 0x0, 0x0, 0x48811}, 0x8000) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="38000000cd3a8ec7a4b0825f2103c89ccab316e9c8a41357b06d4f6a1df8c5963e43836d9b", @ANYRES16=r2, @ANYBLOB="000325bd7000fbdbdf250500000008000100000000000c00020016a10000000000000c000400000800000000000004000a00"], 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x80) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_MAKE_EQUIV(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, 0x3f7, 0x200, 0x70bd26, 0x25dfdbfe, {0x7, 0x7, './file0', './file0'}, ["", "", "", ""]}, 0x28}}, 0x24000004) 07:28:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 07:28:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r3, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8336}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x200000c1}, 0x24000080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x44, r3, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x24040000) 07:28:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x4c, r2, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 07:28:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_VDPA_SET_CONFIG(r3, 0x4008af74, &(0x7f0000000200)=ANY=[@ANYBLOB="ff0f0000fd000000c157ff8e4a1280c6c03dcb3e655f62ecf424df0f3acd42ad7d3d9f9c44be85455d5f671e831d467a53f1966e68d1083933be6fae1a5a3c85a9d19876a229cb4e3d1fe26794f3b1205c3358fe271826fd7e8ae735a1419c219d50282492425aa15e0c34f943cfc05db40a6f13bc9a509a04777b9186660144feff932ee37b2fce717e0a5606a3ce05096fc5c362bf692f74b23f6627b2ab58042e3eb5f1d3fd38614ad5c9954c1f97e7919136ec455b0ce46772bbd8c91b47a388a2b7cb26d37f0b6d8cccc9bfd98cb85b4892ba5ee276f0e33d49c9723aa19d32b79cc705883f132fa862c80e5f6dacde616356ad"]) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x100000, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40008d0}, 0x800) ioctl$VHOST_VDPA_GET_AS_NUM(r4, 0x8004af7a, &(0x7f0000000080)) 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r3 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) sendmsg$AUDIT_TRIM(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x3f6, 0x20, 0x70bd29, 0x25dfdbfb, "", [""]}, 0x10}, 0x1, 0x0, 0x0, 0x48811}, 0x8000) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="38000000cd3a8ec7a4b0825f2103c89ccab316e9c8a41357b06d4f6a1df8c5963e43836d9b", @ANYRES16=r2, @ANYBLOB="000325bd7000fbdbdf250500000008000100000000000c00020016a10000000000000c000400000800000000000004000a00"], 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x80) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_MAKE_EQUIV(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, 0x3f7, 0x200, 0x70bd26, 0x25dfdbfe, {0x7, 0x7, './file0', './file0'}, ["", "", "", ""]}, 0x28}}, 0x24000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) sendmsg$AUDIT_TRIM(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x3f6, 0x20, 0x70bd29, 0x25dfdbfb, "", [""]}, 0x10}, 0x1, 0x0, 0x0, 0x48811}, 0x8000) (async) socket$netlink(0x10, 0x3, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="38000000cd3a8ec7a4b0825f2103c89ccab316e9c8a41357b06d4f6a1df8c5963e43836d9b", @ANYRES16=r2, @ANYBLOB="000325bd7000fbdbdf250500000008000100000000000c00020016a10000000000000c000400000800000000000004000a00"], 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x80) (async) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$AUDIT_MAKE_EQUIV(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, 0x3f7, 0x200, 0x70bd26, 0x25dfdbfe, {0x7, 0x7, './file0', './file0'}, ["", "", "", ""]}, 0x28}}, 0x24000004) (async) [ 2957.888689] nbd: must specify a device to reconfigure [ 2957.908851] nbd: must specify a device to reconfigure 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0xc040) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r8, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="04002bbd7000fcdbdf25030000000c00060000000000000000003c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="7bd70f98d1a491bbe85991c4d18be803a836c84abd5d12c482e71eb198cb4464391a0114c540a784da1df405b46d42fea14d952c78f591a1e703229bb30defc9bff51ed3b77dea9bb153c31b8d"], 0x5c}, 0x1, 0x0, 0x0, 0xc0}, 0x8880) 07:29:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r3, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8336}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x200000c1}, 0x24000080) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x44, r3, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x24040000) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) r3 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_VDPA_SET_CONFIG(r3, 0x4008af74, &(0x7f0000000200)=ANY=[@ANYBLOB="ff0f0000fd000000c157ff8e4a1280c6c03dcb3e655f62ecf424df0f3acd42ad7d3d9f9c44be85455d5f671e831d467a53f1966e68d1083933be6fae1a5a3c85a9d19876a229cb4e3d1fe26794f3b1205c3358fe271826fd7e8ae735a1419c219d50282492425aa15e0c34f943cfc05db40a6f13bc9a509a04777b9186660144feff932ee37b2fce717e0a5606a3ce05096fc5c362bf692f74b23f6627b2ab58042e3eb5f1d3fd38614ad5c9954c1f97e7919136ec455b0ce46772bbd8c91b47a388a2b7cb26d37f0b6d8cccc9bfd98cb85b4892ba5ee276f0e33d49c9723aa19d32b79cc705883f132fa862c80e5f6dacde616356ad"]) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x100000, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40008d0}, 0x800) (async) ioctl$VHOST_VDPA_GET_AS_NUM(r4, 0x8004af7a, &(0x7f0000000080)) 07:29:00 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) [ 2957.991851] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2958.013305] nbd: must specify a device to reconfigure [ 2958.021629] nbd: must specify a device to reconfigure [ 2958.035097] nbd: must specify a device to reconfigure 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r3 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) sendmsg$AUDIT_TRIM(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x3f6, 0x20, 0x70bd29, 0x25dfdbfb, "", [""]}, 0x10}, 0x1, 0x0, 0x0, 0x48811}, 0x8000) (async) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="38000000cd3a8ec7a4b0825f2103c89ccab316e9c8a41357b06d4f6a1df8c5963e43836d9b", @ANYRES16=r2, @ANYBLOB="000325bd7000fbdbdf250500000008000100000000000c00020016a10000000000000c000400000800000000000004000a00"], 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x80) (async) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_MAKE_EQUIV(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, 0x3f7, 0x200, 0x70bd26, 0x25dfdbfe, {0x7, 0x7, './file0', './file0'}, ["", "", "", ""]}, 0x28}}, 0x24000004) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="0400ffff", @ANYRES16=r2, @ANYBLOB="0004080000000000000003000000"], 0x14}}, 0x4c004) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x2710, @my=0x1}, 0x10, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x4, 0x1f, 0xe5, 0x5, @empty, @local, 0x700, 0x20, 0x1, 0x3}}) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000540)={'syztnl0\x00', &(0x7f00000004c0)={'ip6tnl0\x00', r3, 0x29, 0x80, 0x0, 0x4, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}, @rand_addr=' \x01\x00', 0x7800, 0x700, 0x6, 0x5}}) r5 = openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000580)='io.pressure\x00', 0x2, 0x0) write$cgroup_pressure(r5, &(0x7f00000005c0)={'full', 0x20, 0x7fff, 0x20, 0x6}, 0x2f) r6 = socket$l2tp6(0xa, 0x2, 0x73) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000400)={0x0}, &(0x7f00000003c0)=0xc) syz_open_dev$mouse(&(0x7f0000000600), 0x8, 0x195840) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x113800, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f00000006c0)={'syztnl0\x00', &(0x7f0000000640)={'ip6_vti0\x00', r4, 0x29, 0x81, 0x6, 0x7fff, 0x2, @empty, @private0, 0x1, 0x40, 0x5, 0xff}}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000740)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000327bd7000fbdbdfad560000000c000800000c000600060000da9d6e2c87000045595e4f000600020000000000000008000100000000000c000513891f58a6d119666bc08639e39571831c0001000000000000000c0006"], 0x58}, 0x1, 0x0, 0x0, 0xe2b56409fc8df33a}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r10, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_SET(r10, &(0x7f0000000700)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, 0x3e9, 0x400, 0x70bd2a, 0x25dfdbfe, {0x8, 0x4, 0x0, r7, 0x200, 0x1, 0x3, 0x302ca6ef, 0x0, 0x9}, ["", "", "", ""]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x44811) [ 2958.089216] nbd: must specify an index to disconnect 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xee18}]}, 0x20}}, 0x10) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_VDPA_SET_CONFIG(r3, 0x4008af74, &(0x7f0000000200)=ANY=[@ANYBLOB="ff0f0000fd000000c157ff8e4a1280c6c03dcb3e655f62ecf424df0f3acd42ad7d3d9f9c44be85455d5f671e831d467a53f1966e68d1083933be6fae1a5a3c85a9d19876a229cb4e3d1fe26794f3b1205c3358fe271826fd7e8ae735a1419c219d50282492425aa15e0c34f943cfc05db40a6f13bc9a509a04777b9186660144feff932ee37b2fce717e0a5606a3ce05096fc5c362bf692f74b23f6627b2ab58042e3eb5f1d3fd38614ad5c9954c1f97e7919136ec455b0ce46772bbd8c91b47a388a2b7cb26d37f0b6d8cccc9bfd98cb85b4892ba5ee276f0e33d49c9723aa19d32b79cc705883f132fa862c80e5f6dacde616356ad"]) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x100000, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40008d0}, 0x800) ioctl$VHOST_VDPA_GET_AS_NUM(r4, 0x8004af7a, &(0x7f0000000080)) 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$nbd(&(0x7f0000000340), r1) (async) openat$vnet(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) ioctl$VHOST_VDPA_SET_CONFIG(r3, 0x4008af74, &(0x7f0000000200)=ANY=[@ANYBLOB="ff0f0000fd000000c157ff8e4a1280c6c03dcb3e655f62ecf424df0f3acd42ad7d3d9f9c44be85455d5f671e831d467a53f1966e68d1083933be6fae1a5a3c85a9d19876a229cb4e3d1fe26794f3b1205c3358fe271826fd7e8ae735a1419c219d50282492425aa15e0c34f943cfc05db40a6f13bc9a509a04777b9186660144feff932ee37b2fce717e0a5606a3ce05096fc5c362bf692f74b23f6627b2ab58042e3eb5f1d3fd38614ad5c9954c1f97e7919136ec455b0ce46772bbd8c91b47a388a2b7cb26d37f0b6d8cccc9bfd98cb85b4892ba5ee276f0e33d49c9723aa19d32b79cc705883f132fa862c80e5f6dacde616356ad"]) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x100000, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40008d0}, 0x800) (async) ioctl$VHOST_VDPA_GET_AS_NUM(r4, 0x8004af7a, &(0x7f0000000080)) (async) [ 2958.115421] nbd: must specify a device to reconfigure 07:29:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r4 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000080)={0x80000000, &(0x7f0000000040)=[{}, {0x80000000}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f00000002c0)={{r5}}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, '\xc5\x82Xbd\x00'/19}]}, 0x2c}}, 0x40000) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="0400ffff", @ANYRES16=r2, @ANYBLOB="0004080000000000000003000000"], 0x14}}, 0x4c004) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x2710, @my=0x1}, 0x10, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x4, 0x1f, 0xe5, 0x5, @empty, @local, 0x700, 0x20, 0x1, 0x3}}) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000540)={'syztnl0\x00', &(0x7f00000004c0)={'ip6tnl0\x00', r3, 0x29, 0x80, 0x0, 0x4, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}, @rand_addr=' \x01\x00', 0x7800, 0x700, 0x6, 0x5}}) (async) r5 = openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000580)='io.pressure\x00', 0x2, 0x0) write$cgroup_pressure(r5, &(0x7f00000005c0)={'full', 0x20, 0x7fff, 0x20, 0x6}, 0x2f) r6 = socket$l2tp6(0xa, 0x2, 0x73) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000400)={0x0}, &(0x7f00000003c0)=0xc) (async) syz_open_dev$mouse(&(0x7f0000000600), 0x8, 0x195840) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x113800, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f00000006c0)={'syztnl0\x00', &(0x7f0000000640)={'ip6_vti0\x00', r4, 0x29, 0x81, 0x6, 0x7fff, 0x2, @empty, @private0, 0x1, 0x40, 0x5, 0xff}}) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000740)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000327bd7000fbdbdfad560000000c000800000c000600060000da9d6e2c87000045595e4f000600020000000000000008000100000000000c000513891f58a6d119666bc08639e39571831c0001000000000000000c0006"], 0x58}, 0x1, 0x0, 0x0, 0xe2b56409fc8df33a}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r10, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$AUDIT_SET(r10, &(0x7f0000000700)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, 0x3e9, 0x400, 0x70bd2a, 0x25dfdbfe, {0x8, 0x4, 0x0, r7, 0x200, 0x1, 0x3, 0x302ca6ef, 0x0, 0x9}, ["", "", "", ""]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x44811) 07:29:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r3, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8336}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x200000c1}, 0x24000080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x44, r3, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x24040000) 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$nbd(&(0x7f0000000340), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r3, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8336}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x200000c1}, 0x24000080) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x44, r3, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x24040000) (async) 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f0000000280)={0x78, 0x0, 0x800, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{\'*:'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}, 0x1, 0x0, 0x0, 0x4000}, 0x4) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r1) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r5, 0x10e, 0x1, &(0x7f00000004c0)=0xd, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x14d00006}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x34, r4, 0x20, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffe}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x40080) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=ANY=[@ANYBLOB="3800000067cff81f63748536c89bb33043f21e4eb903837f008a62a05980fa23b9faba8c8802ffdd495439", @ANYRES8=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00078008000100", @ANYBLOB="b160d9c81be5559bda628587ae5f65a77997b7883e3ae1d000769936e5c3e2084358cefb71e96912c9fd1baca0248ed5e627581b0bac2fffe96d4d4f6db16a4d0c593e12d59170368bf01aa1d8a7faef1a2f83a8e59f861877c6d8c1bf6c7f18914b9e08f202761d715ac9983ffed5247afa839df5b6ae5108386ed1d0e4921c98696311d3cda9e69abddeb9d57af0f4578bb774fe85d9a106f8f4072e359e0f72c2d36364145a0619fd17586f998c4d07ba988be3bddde69248c1763d6c4ab499c7a5d7a5d0602f861e60868eb80252accf3aadf644de858130d7477359628f0f34", @ANYRES8=r3], 0x38}, 0x1, 0x0, 0x0, 0x8400}, 0x0) 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@:'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc801}, 0x40800) r5 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) sendmsg$AUDIT_USER(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, 0x3ed, 0x2, 0x70bd25, 0x25dfdbfe, "09094e5f64554261fddf2ddb158407bbd1b943d4554ca73966efe7023d5dd8b36bdead58f6a32c11c8ac08d294487ca7f9af3cff1f6c04", ["", "", "", "", "", "", ""]}, 0x48}, 0x1, 0x0, 0x0, 0xc6}, 0x40) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCALLUSERDATA(0xffffffffffffffff, 0x89e4, &(0x7f0000000000)={0x46, "1670d5def127b0b07a772375e557b4088f263af518152391e616e91049582b5c519c492ac5cfbcf23639975cf5e37ee86b96644f1962fe0fa8e58d3915a9c3990b21d66d7ac906bfe25e48695f728fd66b77eb8b9d480472e6aedcc5f918381af4e4172f01aa5346e029b85cf9b86e2507066836e50e0553385a987af2cc3c32"}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000fa67080a22a5d0128f6d5d209eed23079b0ace609754c8ab870633367fade54e718fa6a6d3b819a3c58fff9c03e00a14f375798b25a9928de6638deaa1614556e5417d51a63e9378ec73576506137462bda9fcee582dffc6d7cb1fddd8b87a79bf25cab81afa9537dde035095642f194d1e323ee1bc6ad593589368d12ffaa3f65d093e10c162705b4e7608d4d531b1693ae781cb72bad6af57b85752e8b85672ec927307d671c539889587e53fe9fb366758b396cf33b59a8c32d3904519c483a84ca3964eb37657bff9b2fd9abf5cdbdb7b14cd58f71511c66"], 0x14}}, 0x40000) socket$packet(0x11, 0x2, 0x300) [ 2958.243021] nbd: must specify a device to reconfigure [ 2958.255246] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2958.271898] nbd: must specify a device to reconfigure 07:29:00 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) r1 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000004f80), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r1, 0xaf01, 0x0) ioctl$VHOST_VDPA_SET_GROUP_ASID(r1, 0x4008af7c, &(0x7f0000000140)) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000480)={r2, &(0x7f00000003c0), &(0x7f0000000400)}) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="0400ffff", @ANYRES16=r2, @ANYBLOB="0004080000000000000003000000"], 0x14}}, 0x4c004) (async, rerun: 64) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x2710, @my=0x1}, 0x10, 0x0) (async, rerun: 64) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x4, 0x1f, 0xe5, 0x5, @empty, @local, 0x700, 0x20, 0x1, 0x3}}) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000540)={'syztnl0\x00', &(0x7f00000004c0)={'ip6tnl0\x00', r3, 0x29, 0x80, 0x0, 0x4, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}, @rand_addr=' \x01\x00', 0x7800, 0x700, 0x6, 0x5}}) (async) r5 = openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000580)='io.pressure\x00', 0x2, 0x0) write$cgroup_pressure(r5, &(0x7f00000005c0)={'full', 0x20, 0x7fff, 0x20, 0x6}, 0x2f) r6 = socket$l2tp6(0xa, 0x2, 0x73) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000400)={0x0}, &(0x7f00000003c0)=0xc) syz_open_dev$mouse(&(0x7f0000000600), 0x8, 0x195840) (async, rerun: 64) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x113800, 0x0) (rerun: 64) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f00000006c0)={'syztnl0\x00', &(0x7f0000000640)={'ip6_vti0\x00', r4, 0x29, 0x81, 0x6, 0x7fff, 0x2, @empty, @private0, 0x1, 0x40, 0x5, 0xff}}) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000740)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000327bd7000fbdbdfad560000000c000800000c000600060000da9d6e2c87000045595e4f000600020000000000000008000100000000000c000513891f58a6d119666bc08639e39571831c0001000000000000000c0006"], 0x58}, 0x1, 0x0, 0x0, 0xe2b56409fc8df33a}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r10, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$AUDIT_SET(r10, &(0x7f0000000700)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, 0x3e9, 0x400, 0x70bd2a, 0x25dfdbfe, {0x8, 0x4, 0x0, r7, 0x200, 0x1, 0x3, 0x302ca6ef, 0x0, 0x9}, ["", "", "", ""]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x44811) [ 2958.285744] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:29:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x4, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}]}, 0x34}}, 0x494232d0b2743d3d) 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_open_dev$mouse(&(0x7f0000000180), 0x0, 0x101200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)={0x8c, r3, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4fa3990169c8ba7b}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r1}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xb74}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10080}, 0x48850) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCALLUSERDATA(0xffffffffffffffff, 0x89e4, &(0x7f0000000000)={0x46, "1670d5def127b0b07a772375e557b4088f263af518152391e616e91049582b5c519c492ac5cfbcf23639975cf5e37ee86b96644f1962fe0fa8e58d3915a9c3990b21d66d7ac906bfe25e48695f728fd66b77eb8b9d480472e6aedcc5f918381af4e4172f01aa5346e029b85cf9b86e2507066836e50e0553385a987af2cc3c32"}) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000fa67080a22a5d0128f6d5d209eed23079b0ace609754c8ab870633367fade54e718fa6a6d3b819a3c58fff9c03e00a14f375798b25a9928de6638deaa1614556e5417d51a63e9378ec73576506137462bda9fcee582dffc6d7cb1fddd8b87a79bf25cab81afa9537dde035095642f194d1e323ee1bc6ad593589368d12ffaa3f65d093e10c162705b4e7608d4d531b1693ae781cb72bad6af57b85752e8b85672ec927307d671c539889587e53fe9fb366758b396cf33b59a8c32d3904519c483a84ca3964eb37657bff9b2fd9abf5cdbdb7b14cd58f71511c66"], 0x14}}, 0x40000) socket$packet(0x11, 0x2, 0x300) 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@:'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc801}, 0x40800) r5 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) sendmsg$AUDIT_USER(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, 0x3ed, 0x2, 0x70bd25, 0x25dfdbfe, "09094e5f64554261fddf2ddb158407bbd1b943d4554ca73966efe7023d5dd8b36bdead58f6a32c11c8ac08d294487ca7f9af3cff1f6c04", ["", "", "", "", "", "", ""]}, 0x48}, 0x1, 0x0, 0x0, 0xc6}, 0x40) [ 2958.320865] nbd: must specify a device to reconfigure [ 2958.326469] nbd: must specify an index to disconnect 07:29:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010810321e0eb1c2858c31838640107b563a11ac3eca598592f41b04395d38a1b6728d607e09f13154a1d85cdb6a783daa92e84744c35746715bbc9e18b19fd0222fc87675a261c2aeea5ce9ce8f762b419c812a24bcc5d79fba83423133672271dae3711413b163506172f070d0505e150b8dee9120401f"], 0x14}}, 0x0) 07:29:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x4, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}]}, 0x34}}, 0x494232d0b2743d3d) 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x4) [ 2958.438719] nbd: must specify a device to reconfigure 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCALLUSERDATA(0xffffffffffffffff, 0x89e4, &(0x7f0000000000)={0x46, "1670d5def127b0b07a772375e557b4088f263af518152391e616e91049582b5c519c492ac5cfbcf23639975cf5e37ee86b96644f1962fe0fa8e58d3915a9c3990b21d66d7ac906bfe25e48695f728fd66b77eb8b9d480472e6aedcc5f918381af4e4172f01aa5346e029b85cf9b86e2507066836e50e0553385a987af2cc3c32"}) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000fa67080a22a5d0128f6d5d209eed23079b0ace609754c8ab870633367fade54e718fa6a6d3b819a3c58fff9c03e00a14f375798b25a9928de6638deaa1614556e5417d51a63e9378ec73576506137462bda9fcee582dffc6d7cb1fddd8b87a79bf25cab81afa9537dde035095642f194d1e323ee1bc6ad593589368d12ffaa3f65d093e10c162705b4e7608d4d531b1693ae781cb72bad6af57b85752e8b85672ec927307d671c539889587e53fe9fb366758b396cf33b59a8c32d3904519c483a84ca3964eb37657bff9b2fd9abf5cdbdb7b14cd58f71511c66"], 0x14}}, 0x40000) (async) socket$packet(0x11, 0x2, 0x300) [ 2958.461006] nbd: must specify a device to reconfigure 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@:'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc801}, 0x40800) r5 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) sendmsg$AUDIT_USER(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, 0x3ed, 0x2, 0x70bd25, 0x25dfdbfe, "09094e5f64554261fddf2ddb158407bbd1b943d4554ca73966efe7023d5dd8b36bdead58f6a32c11c8ac08d294487ca7f9af3cff1f6c04", ["", "", "", "", "", "", ""]}, 0x48}, 0x1, 0x0, 0x0, 0xc6}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@:'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc801}, 0x40800) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) sendmsg$AUDIT_USER(r5, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, 0x3ed, 0x2, 0x70bd25, 0x25dfdbfe, "09094e5f64554261fddf2ddb158407bbd1b943d4554ca73966efe7023d5dd8b36bdead58f6a32c11c8ac08d294487ca7f9af3cff1f6c04", ["", "", "", "", "", "", ""]}, 0x48}, 0x1, 0x0, 0x0, 0xc6}, 0x40) (async) [ 2958.484321] nbd: must specify an index to disconnect 07:29:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) write$UHID_INPUT(0xffffffffffffffff, &(0x7f0000000600)={0x8, {"f2f46b9534667ba01eadbd720fd8091824c039bb0d819aaa88722affeb4b3f4eafe093425fc4dbbc0faa3fea706f5ef7356afcf15e008acc71d12448e4661100a7a936820ffa14e56739007d90343cc6169ff31e0e9b3fa7d756673b9380a599ff9c96149b0edefe0a8fa641f1f5329925295f1b2d24dae3814c1dd30287d4350164810a0ce91811a5304a5a86e0cfe16aeab1ee12fe175f40ba02fbc307f1fede979fe2061132b3119818d847ef76843a18455ff25ebf6305e6b5fc5d296cabfce8bdf43a4600c6b224fafaf17d6473fccb0ea371a620c9431c9c843d8bac76d64637fb11ee7df36f99ede9916e262d01555dcd78ac0282599296e1d37c1c9dfac7a5bfa1080901e89a600da5c43a3cfd5c96b4da512f678ba8f987adbc4a8a5d7a1936972213e6c9a2bf344914c3eeeef303809aef38a9d65493b9174381be378130bb7e3ad804f82c8bb10ac883419ec1cefe127f2028d4b5ccbac7cb0d2d87ffcd0595045cc39ca5065ed72db04b076562b6dbb8f5711ca41826138b91a02e50ecfa236d8ee0012c5d5576c84e51bde39b16c58cfc0de91df8fc23d508cffad601d04f8a7ecfb237974f7418c20d0ec11dd4850d5380caa51c7df06633d4353e565bcf3ad88f4daf3613365f5b0eb4c34d77b63ee062973c30e735181506aae92a6c450dd58fee901e735306bcdfbd472e7ea2b0238b5164daeecdeb3c2c683ed1499b5e31fe12909824a8b53954c36a30fabbbfa3c57b48d49160726f59dbc53297a3a01b1ce53e5bb25db281f3744a34e437bdfcee54dbf1957920f2f9a06443443e3547410120c44875bce270ef9c122b867f8036cfda823c4503837535095702648d203fd59228db93d0e431edc1bbda872fafe535c7a4f1aa167c602b9aa8c17bb675051b5b8f89957182c70a2b424afbad3900b2257442bc88c8f5faf365ab11da716347e99b8930609c1e6feef5106c8f3255251a732bd01ab2c1a9a5d5b9e3630b5e0f70e60e73220058fd945a8480aa1e59db6b82399a0a945d7236cd5960ce508592e196b7c705f97ff15cd73c6b5c6c154af08ce27a45049b775c29358fd5633424693c22dd446f7644ae9ec4a85ac136e4c88cf54e1561363d815f6b40bc8656e97542c50ec5e66c24ea69a33dc4695e3881c3983d09295839ac4546d3b4b06c8741c48203a04ef34ffd31bbf041b8a1d3970297c49159dd37955bb4348f8069d12fe727007f4080d2ccbd315494f4abe7cf1ad597de5a41ac06f753fd9a157888f5fbed066e056b532f1b43b0b35f4c59ae14a6cc172fb9483be6c084d3b2322c3dd77e0a40c967b7c9f2782a3103461913a462543e8d231e3df48a15c852cffa2b794a588165b9270b5cb072d9d527032796fa9905c32ea9ea8f7df10f8b1f8539c1f802e95c51410d4d93e65cdc39a38adeba8dcfd5f456f22c27c7e92b1f4de14000fb3d53135c9531af42e3552ed940e72d891119a5b59b0a6efe80e90fe51bdbc254a92315f98af815a9211e1d921a5d78dd23cb91554f57aeb0125458ee57f5179ffae9e69f682ae8f6f64002d0622f926e40ccb6322146cd19213fcb316bbcab4dfee61d47688f1673d754fcb1a6c1489a70d91c45046361d16fb0dae94381788819d1cf8be0eb2f11f9886954798a750df967a5cf96745979f8f4606d1ef68a62af871f555a676c40050a810cae791d828db6ff700ecc56054b70d8d841ef383338707ae4da177bb9c4ae87969f1d2361d5e19154cfcdd767e8def18392b02b6b1bccce59eb348a2b2b0f3d45fa7b7e81cadf5745a7b85e6e57c023233f140f1a29ee44e34c0398b6fa3f503ac00c101aadfefcb8324e14134e42649ec04f5b4f896917390f1f8a181cdac57a675476cde907954cc6e458e3f9a7b0ff28d2247dd7a3bced2d8cc20a1d279e487a39705ca4956143c99dbabd5a2b646b0c840dd7ddb61165d0e5ee27db572493be610ac1af34239ea7d3cfd2fa2d3e72f46bcf0e81dcfe06aea7a1263bcee85caddbbf82b1720b7bd126bfe4c2660fab19fc8d155cedb6a30052659a3199c8f86fb6bb1cbc8cbeb4b00e9bfbc16edcb1f4d67a9cc30e88cc2e3f20ebf9f658a8f31787178e791c81dc2d1416cf3d367d928c2491674035c16f137e8bc634379f98387d429bd514093facb95edd5d3b7a1d7985be4a329720371fe390719dd937c8a1684da84c0d81d7d7186108ca397cb30a65918067260715e2c0ede976458c35bae86013b71201c98d1199a43c60ff3c60565f2a3a48a3995acbb4bf334a3bdee35ff452ccfaaf1a5454ab353d7480887b35adafb7f1f67479e09e128804a5533a0e1ef0836cad6f3fe46f11eb3d3f6f81b6b4e5c52eae96bc7cf1f117bf59cf6c49f3d912324e5d5d57b47a94bc4051c47bb96b981274a6b91db624c43671daab6acee2121fd8eacd6b86dafdcb34b51b04ba02d9d42643c7827250bd2082723c70eb76df548c2f9011909bd4e09b296ba0a0e95e05fc6c0c3e0e9e3991b007079a1df90d0fcb36c98c768027a15696229b2dcaba2b6f70acecbe685e6aeaf43afb13744aa3a5ec8e242e004a761b2600d5a0bd2231e7995391dd109060d999d66c3a7312bbf6d4ec4aa9cbdaf9d83c6125042de111fe3653b83da9e2825a7abae1213f817ff05cf7c82274e356894fedfe88e397af47b2b30a4eea8677358d9995e2acac702444898d2ee17627c4f4ae89978807bc7ccdfa57014ad765a494e54f9fbb7a11f593ef9f7698a117e82bf4e9209796ff60da1f6775dc18dd377ac1211f4ecddbdc12617677e1893043f6e8824884f478f0bed9f547defe918996c0dcb3ef25787bf9139a7c9f8e2f14ee424bf1c775e50333d1b64d5e84308d77e9ed5113f5dad6232bf00074aee4abac951df60bb0b0101e9b64be104820110c523e58b9886edc7d0ba7ad2d450f5ec06ed7be21fd16d2e50d791e2559f26933ad186419daa30e14ae69601a460df365be68d47ba8d42b09527711dd03799111baa4c0da42ea51aaefb1959be45c9fd300792c53d6a2b60f40873ac04e1a1e2bb73ba6d5f019871ecb14131924022a3ff22b164ad2b38507057676a426025c7fdd0f9d4f9a088609df94fc3eaad6a205eb4579da041eaa4f5ea35fa9e3ddf5cb8ae83ced914519b42ecb9db2519965b3af6ed1d740c35055f3008900e62e837d050673cbf1a1e82fa24807321c3e000b4c74c1791dd30f3776048b945fe7fe8037352404fac343608b8531e11bc48152f3a259e92569819040e114c5ab20bf56176300092a889bde89213ebbdb7cd62d100c40328dafb1a3007ef76b4dc7829b30594d9d75894662f79d14f206f51cd5d34e01c21fd7101a53bc089aacf714fb00dc62e18b740af495c9f7387f5910b3ace76e7b05b15afd96ae1af405ce51dacf14ee77f77c8e45346f88843769401f0158f9c807d7b2daafa825a479fd9c01ac2d9e2806c8887251ae41509eff3fbea4e23c7e60993ed9c11c3ddec005505ce60d84fa59f47ba218811842ff6d2ce3c913ccd39cd8f8ccbf7db623298626ff49921a7d476408d9e221e10027aa2332079c8e7a886d6fe287a492de98c0d2e55aec303c8a1266fed7ed9c2dab4713f26a58ccbb035a9d63c701614abe533f427312f126c5017be207b8c39df5ee17a7d960e8f4821b4674d4d1003c4c6512960ac4fc66aa09a8c43e7c1e869a61b5c4e62221c38378bd171944fc9822946d05c22462f69cf6fa3c0b5431b77e57a3aa19f7e712929c92a55853d93f59916562f205a1f6e9e12f66a544db5f03648fbfb18d35eb8ec9619cbe5395e277a19dee376571d36c16ec604310c36cb16d635a6a80a947fc31d1dbe9628c45c92f10fa6265bc7e68b2432e8b57b7223b60d951d513615a9c1004bb2a5341675d1e99e41e6fe9bcec23f7c3e1d396db2654c5192a5fdced31cd6b0e5058c60802842a0141a4eb29830e764e7784e23db43ac6be2bd4c6355b3562c5a13796800ba1139edba6455e011d0fcb2f65b3b2e32406eeb144ea32e915576fe390b8a9cc796c1cae4c2bd9966a4be9bddb031c7b4c705f0bcc3d193ab9411fc9ca117d6e99e2edf90b261b86c7d9499c4b25175da4e660a81c0e87601d863b1d2019dcd73eaebb0d1901119b2e7b1cc7970fb4bc2fbe766f33382fa59b852fe49daf292785ffc019ff2bab74d42b5839d3469bd79376703d392791aa7d313f1d4caa6f63c6686436cc6234bc072667a4e19b0b9edae2bde2d0e1c22fc3afdadca64bbdf18c3aa865c38a58d72b55382ab3d779d19d3d9a3c1738f0949ffea66b077710d9c3567246c988e3b5b93fbdbc92a864074242cfe37d224cc2c1e8386bb462a3420597adcbafce2029d6d77b46ba7a96ed3884ddb2a87ae236f9eace48e589dd3809234f81ccc13197f1ef3a90c590df54efab73b93dc7b446064dd28e50ba9cdd4e32cb4c3c09c82ca1b8180c66f7bdc5818c4d45c6c62a76232aa14afe95e46a9ce75a729a42d389dc008df3e1be0ecbefe5871bf50e832de2a24feec8d35b19cfc6c83a6b99e2384e60c3ac02234a8bdd4ae6e23ac2af2432ec459d356c6930449939959f30c387a5b93c944e0329c70771815b1edff5d04fac7eba7e21f49d043cd5c284c7cba35f29551eb7064f21804ceb369baf192138c8148cbf954f1a6e8c75ffaeeaa50681ff41b72e73297d3d1dc0f3ef1184148795291f49d77293183da4349ffc8bfe06f0748f22d79e031b566cc02d0a6b302e9202ce8721d7b4861ca24d9b6566052dbdcca2dec1af32fe234eae5eb9f2ff02003f9257cd93637ef1ec18a5674ac3bd54c457718d6ed6a30c5d9f137164fd8e66594fa2e6025ed92068f38a24c84785ef5a06feb07809708b999e5dcc2be9e14be31eac8a8a87370c94d447cfa5ed78cc5f2bf1e44fa88a2fd2957784d49c796d2a8dbe8091e46dca43f109564876fd7b8990c24dca0d17a44255a42791e10de0d75cad2bdb6775c27e9a5c2f7a234c6b7415c933dd245b7bab08fab36d66298f0ef2cee12ed5204065eb624623ee4d9102e8d25b6de391dfcaaf273f942238c11d8d629ed6f0e5a1548d5624cd8c3aee3a0aba55764c76d5207516622b4eaee0cc1adbe0c82a3dc4bb304b85e1978666bdb5a601f275f22059b9858cf90503d429d319ef9a728870691836416fac3fc0bdd13bbcd5d6a64dd46a3af12a0cabf6c079b914d0736d51d80d6e339b3bd50aac14ca39d33ae2b6d2106d6c5bc23254383f8fdce8822cc00d655f8e631dd81bdca8af8bde7a32abc5d29bfc16ab3a4b5ab0e68ec29ddb557b0e9e40b17554927a90857b451371bb0f09b834cc6ca19fc68726a7b866f57117dc9877b06de19bd4b81bbbf6ca4dfdde74a9df5d5dc59c593ce9254dadea24b517a2ddecbbc7ec3c1115186c0b1f0623a0ad116b56da932e38543b8cb27ccb7469e0ebc639dc74556c918b66dd6167fc726c4bf51d38b9a9b82caef27a894c98a43ce1058b7803fe84212a01497729fa57df64a61a5f9af37c4bf51c6001682008a42b937b05458c5846436cd79049645929bb56f74268df06a8ae50ee134a827466c6f030fc2086e2515817ebcada110518da64c9cdd7d83435a1ee5a5785036d75d472887ffef617013f0ee6a57b6f6b1f528e661e18ad337643ef5c6b1fc36a39e5bfd400ffa2cb3d546466aa39f58f80023d40dbaee21d7688da1e33d9af9a2e807c525cfba5c4389eb028f28e0f74a8c46191b9c4ba8042a5432dd6e2d125434ecdd529", 0x1000}}, 0x1006) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_open_dev$mouse(&(0x7f0000000040), 0xfffffffffffffffe, 0x129881) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x508b382b473ad49d}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r2, 0x800, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x80}, 0x1, 0x0, 0x0, 0x80}, 0x10) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010810321e0eb1c2858c31838640107b563a11ac3eca598592f41b04395d38a1b6728d607e09f13154a1d85cdb6a783daa92e84744c35746715bbc9e18b19fd0222fc87675a261c2aeea5ce9ce8f762b419c812a24bcc5d79fba83423133672271dae3711413b163506172f070d0505e150b8dee9120401f"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010810321e0eb1c2858c31838640107b563a11ac3eca598592f41b04395d38a1b6728d607e09f13154a1d85cdb6a783daa92e84744c35746715bbc9e18b19fd0222fc87675a261c2aeea5ce9ce8f762b419c812a24bcc5d79fba83423133672271dae3711413b163506172f070d0505e150b8dee9120401f"], 0x14}}, 0x0) (async) 07:29:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x4, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}]}, 0x34}}, 0x494232d0b2743d3d) [ 2958.542388] nbd: must specify an index to disconnect 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:29:00 executing program 4: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25GDTEFACILITIES(r0, 0x89ea, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r3, 0x1}, 0x14}}, 0x40000) 07:29:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) ioctl$SIOCX25GCAUSEDIAG(r1, 0x89e6, &(0x7f0000000000)={0x9}) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2958.577912] nbd: must specify a device to reconfigure [ 2958.597395] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010810321e0eb1c2858c31838640107b563a11ac3eca598592f41b04395d38a1b6728d607e09f13154a1d85cdb6a783daa92e84744c35746715bbc9e18b19fd0222fc87675a261c2aeea5ce9ce8f762b419c812a24bcc5d79fba83423133672271dae3711413b163506172f070d0505e150b8dee9120401f"], 0x14}}, 0x0) [ 2958.673193] nbd: must specify a device to reconfigure 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) (async) [ 2958.707316] nbd: must specify a device to reconfigure 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xffffffffffffff47, &(0x7f0000000100)={&(0x7f0000000040)={0x60, 0x0, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xfffffee2, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x884}, 0x4040050) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r2, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x48800}, 0x4) 07:29:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x2000, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1a00001}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, r2, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+\\'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x80}, 0x1, 0x0, 0x0, 0x14}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x40000) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x5c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x60008881) 07:29:00 executing program 4: connect$bt_sco(0xffffffffffffffff, &(0x7f0000000000)={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}}, 0x8) socket$nl_audit(0x10, 0x3, 0x9) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x48a02, 0x0) sendmsg$AUDIT_USER(r4, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)={0x110, 0x3ed, 0x0, 0x70bd2a, 0x25dfdbff, "6fc6e4a9514c0a97af1b88c2948cdf444c62685e9a9cbaac9209046e412eb1a88c6d3f8ce5575b55bd462c86a32cdd27ed4564cb3655d0d570cd9936d7d785276eb1a5ee7f0eba8e72924c8a548f23ce68ddae57b8454d0231c41137364df4b66820a8c1754d7f3c4665132d43af7fe0c942990ed7ca2f38b0e747b3db9b627ae2a9d3b8a7b26b6fbdb256117eb04dab1b8dc0c0a919f07e06138f32e5620b043e8cec5cb985c6341cb9d2bdb455cf42a93d55e0d18829aa36a13934eafbf539d59f938321ba949e071df7ea8c5bcbc47ff751b055b2c9657ad6fc73772ea1d81ab90f4c4c62575861bea86a5ae46bc48d044edf4bead06848b462421451", ["", ""]}, 0x110}}, 0xc0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r6, @ANYBLOB="0100f89b28d62c714bfa95000000000000000002000000"], 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000000000030000004a8d0c702d4f1b9b11e821966b94844c7f0f00c9d0730100c96cc7c422b13731973d9b5db1b88b2c70265646c6a3ca42c3b60b3fe7a473e5ef0ae80d24b7eeabebd36fce55f2e2ed121806c1ee9fbfe0cb42addddbe0ba2157a4010443e0604610e5631181653d1a68b349073a59b7bf136b3c2860f8cd6abc89d2aa5079fce55913f66d087e93be7bcf9557baa8333e1f8fa5f92459f5686152faad5a8bf593a2d9fb44a831e75f760a82d375ca529430df74d8673b0a23919f87beefe7b7eda64eb5a9d4696897268cebbeba75285c"], 0x14}}, 0x0) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc044010c}, 0xc, &(0x7f0000000100)={&(0x7f00000004c0)={0x88, r6, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x44, 0xa, '^\xaa0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) r5 = syz_open_dev$mouse(&(0x7f00000000c0), 0xfffffffffffffff8, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x88, r2, 0x100, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}{/++\xd7'}]}, 0x88}, 0x1, 0x0, 0x0, 0x4008004}, 0xd0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r8, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xb0, r3, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfd52}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4000000}, 0x4008090) [ 2958.736859] nbd: must specify a device to reconfigure [ 2958.744642] nbd: must specify a device to reconfigure [ 2958.773967] nbd: must specify a device to reconfigure [ 2958.816513] nbd: must specify a device to reconfigure 07:29:00 executing program 0: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f0000000440)) ioctl$IOCTL_STOP_ACCEL_DEV(r0, 0x40096101, &(0x7f0000000300)={{&(0x7f0000000400)={'Accelerator0\x00', {&(0x7f00000000c0)=@adf_str={@format={'Dc', '4', 'RingSymTx\x00'}, {"2e47a2b1fae04963e4f780b99d64f2e630e790caaea72e9957523931ffc82892886e7bd1b4d7e228c1bb7ed859c882b844bd5995d4bf8da02c6dd1bca0925aea"}, {&(0x7f0000000000)=@adf_str={@format={'Dc', '2', 'RingRx\x00'}, {"a906915dff90e549a3f415de89e793a6d09ee6eedff6292e758ba4c08d4fb12e02f6f178171a25a991be11cafed38eef51018c4c132cc9f097a52e6908357965"}}}}}, {&(0x7f0000000380)={'Accelerator0\x00', {&(0x7f0000000240)=@adf_hex={@normal='NumberDcInstances\x00', {0x1}, {&(0x7f0000000180)=@adf_dec={@format={'Dc', '0', 'RingSymTx\x00'}, {0x7}}}}}}}}}}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) syz_open_dev$mouse(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008080}, 0x880) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x44}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 07:29:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x5c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x60008881) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x5c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x60008881) (async) 07:29:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r7, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_USER_AVC(r7, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000080)={0x34, 0x453, 0x100, 0x70bd25, 0x25dfdbfc, "6765e55eb5abfba566c2ef50d5e073c68473592b5bd891b83dc15a2468cc46bb65baf485", ["", "", "", "", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x48010}, 0x4008004) [ 2958.838491] nbd: must specify a device to reconfigure [ 2958.843966] nbd: must specify a device to reconfigure 07:29:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r8, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xb0, r3, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfd52}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4000000}, 0x4008090) [ 2958.901503] QAT: Device 0 not found [ 2958.917232] QAT: Device 0 not found [ 2958.920794] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 07:29:01 executing program 0: accept4$packet(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x800) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000240), 0x2182, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000005c0)={0x94, r2, 0x300, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x94}}, 0x8c4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000000000000cee451b849acf55ebe499e3cf56401495a4eb5ae7d03ff3ed1f27dc237b7cb64ee2aa6e688fb50638f244f5c65ae648b532cb274e60e1a4934d84d2c16f1270094941597ab0520feff9349556c17c1f860a4f8ffe9106845798d9bb4f11a7fa97e3b70152fcd8bcd994076f3a971db026f576e99561115b8383aef88b1c6e25aa2538ae2c9f9c8"], 0x14}}, 0x0) 07:29:01 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) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008080}, 0x880) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x44}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) [ 2958.953950] nbd: must specify a device to reconfigure 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$video4linux(&(0x7f0000000000), 0xc6, 0xe040) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) r5 = syz_open_dev$mouse(&(0x7f00000000c0), 0xfffffffffffffff8, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (rerun: 32) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x88, r2, 0x100, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}{/++\xd7'}]}, 0x88}, 0x1, 0x0, 0x0, 0x4008004}, 0xd0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r3, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x5c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x60008881) 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r1 = syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (rerun: 32) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r8, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xb0, r3, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfd52}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4000000}, 0x4008090) [ 2958.983175] nbd: must specify a device to reconfigure [ 2958.993944] QAT: Device 0 not found [ 2959.001328] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2959.022658] nbd: couldn't find a device at index -16777216 07:29:01 executing program 0: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r0, 0x89e9) ioctl$SIOCX25SENDCALLACCPT(r0, 0x89e9) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1400600000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4040880}, 0x200000d0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r7, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_USER_AVC(r7, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000080)={0x34, 0x453, 0x100, 0x70bd25, 0x25dfdbfc, "6765e55eb5abfba566c2ef50d5e073c68473592b5bd891b83dc15a2468cc46bb65baf485", ["", "", "", "", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x48010}, 0x4008004) 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="780200000000000000080391000000"], 0x14}}, 0x0) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r3, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008080}, 0x880) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x40}, 0x1, 0x0, 0x0, 0x44}, 0x80) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 07:29:01 executing program 0: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SENDCALLACCPT(r0, 0x89e9) ioctl$SIOCX25SENDCALLACCPT(r0, 0x89e9) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1400600000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4040880}, 0x200000d0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) [ 2959.096246] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2959.135443] QAT: Device 0 not found 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="780200000000000000080391000000"], 0x14}}, 0x0) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$netlink_NETLINK_NO_ENOBUFS(0xffffffffffffffff, 0x10e, 0x5, &(0x7f0000000380)=0xeb, 0x4) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x8041) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r3, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040040}, 0x4008014) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x40000) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r7, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$AUDIT_USER_AVC(r7, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000080)={0x34, 0x453, 0x100, 0x70bd25, 0x25dfdbfc, "6765e55eb5abfba566c2ef50d5e073c68473592b5bd891b83dc15a2468cc46bb65baf485", ["", "", "", "", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x48010}, 0x4008004) 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$video4linux(&(0x7f0000000000), 0xc6, 0xe040) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) r5 = syz_open_dev$mouse(&(0x7f00000000c0), 0xfffffffffffffff8, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x88, r2, 0x100, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}{/++\xd7'}]}, 0x88}, 0x1, 0x0, 0x0, 0x4008004}, 0xd0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$video4linux(&(0x7f0000000000), 0xc6, 0xe040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) syz_open_dev$mouse(&(0x7f00000000c0), 0xfffffffffffffff8, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x88, r2, 0x100, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}{/++\xd7'}]}, 0x88}, 0x1, 0x0, 0x0, 0x4008004}, 0xd0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) [ 2959.149374] nbd: couldn't find a device at index -16777216 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x1, 0x0) r2 = syz_open_dev$mouse(&(0x7f0000000040), 0x4a, 0x1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) bind$vsock_stream(r3, &(0x7f0000000000)={0x28, 0x0, 0xffffffff}, 0x10) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x0) r4 = syz_open_dev$mouse(&(0x7f00000000c0), 0x6, 0x840) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) r8 = syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa8, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x4040000) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="780200000000000000080391000000"], 0x14}}, 0x0) 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="780200000000000000080391000000"], 0x14}}, 0x0) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r7, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}}, 0x0) 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async, rerun: 64) syz_open_dev$mouse(0x0, 0x1, 0x0) (rerun: 64) r2 = syz_open_dev$mouse(&(0x7f0000000040), 0x4a, 0x1) (async, rerun: 64) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (rerun: 64) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) bind$vsock_stream(r3, &(0x7f0000000000)={0x28, 0x0, 0xffffffff}, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x0) r4 = syz_open_dev$mouse(&(0x7f00000000c0), 0x6, 0x840) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (rerun: 64) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) r8 = syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa8, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x4040000) (rerun: 32) 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x60}}, 0x0) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$netlink_NETLINK_NO_ENOBUFS(0xffffffffffffffff, 0x10e, 0x5, &(0x7f0000000380)=0xeb, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x8041) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r3, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040040}, 0x4008014) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x40000) [ 2959.270430] QAT: Device 0 not found [ 2959.284086] nbd: couldn't find a device at index -16777216 [ 2959.297102] nbd: must specify a device to reconfigure 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_icmp_ICMP_FILTER(0xffffffffffffffff, 0x1, 0x1, &(0x7f0000000000)={0x80000001}, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) ioctl$VHOST_GET_VRING_ENDIAN(0xffffffffffffffff, 0x4008af14, &(0x7f0000000040)={0x3, 0x1}) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x1, 0x0) r2 = syz_open_dev$mouse(&(0x7f0000000040), 0x4a, 0x1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) bind$vsock_stream(r3, &(0x7f0000000000)={0x28, 0x0, 0xffffffff}, 0x10) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x0) r4 = syz_open_dev$mouse(&(0x7f00000000c0), 0x6, 0x840) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) r8 = syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa8, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x4040000) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) socket$netlink(0x10, 0x3, 0x0) 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_icmp_ICMP_FILTER(0xffffffffffffffff, 0x1, 0x1, &(0x7f0000000000)={0x80000001}, 0x4) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) ioctl$VHOST_GET_VRING_ENDIAN(0xffffffffffffffff, 0x4008af14, &(0x7f0000000040)={0x3, 0x1}) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14, 0x0, 0x400}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000440)={&(0x7f0000000680)={0x90, 0x0, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa09d}, @NBD_ATTR_BACKEND_IDENTIFIER={0x56, 0xa, '?\fbN\xe4\x8ddK\x06\x0e\nG\xffJ\xe5g\xd4\xff\xbc\xb4\x86\xc2\xe9\x05?9\x88\\\xae\xb8{qD\xb7g\xb8w\x90\xfa\xc4\xb6\xcfL\xaf\xa2x\xcd\xf0E\xcf;\xfb\xc1wp\x98!V\x01\xe7\xc8c\xa1\xfaP;\xef\xec\x17\x85\x97\xaa\xf9<\xde1*n\xb4\xe4\xec;'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x90}, 0x1, 0x0, 0x0, 0x40}, 0x8800) r2 = socket$nl_audit(0x10, 0x3, 0x9) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000040)=0x10001, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair(0x27, 0xa, 0x1f, &(0x7f0000000500)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x14, 0x0, 0x300, 0x70bd29, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x40001) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000c46fe025d5d0335341accc"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x40, 0x0, 0x8, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x28840}, 0x200440d0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x38, r7, 0x300, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x20048880}, 0x20048000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x539a46d6}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x80) [ 2959.400805] QAT: Device 0 not found [ 2959.414721] nbd: couldn't find a device at index -16777216 [ 2959.433873] block nbd1: not configured, cannot reconfigure 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x60}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x60}}, 0x0) (async) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$netlink_NETLINK_NO_ENOBUFS(0xffffffffffffffff, 0x10e, 0x5, &(0x7f0000000380)=0xeb, 0x4) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x8041) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r3, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040040}, 0x4008014) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) setsockopt$netlink_NETLINK_NO_ENOBUFS(0xffffffffffffffff, 0x10e, 0x5, &(0x7f0000000380)=0xeb, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x2c, r2, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x8041) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, r3, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040040}, 0x4008014) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r4, 0x1}, 0x14}}, 0x40000) (async) [ 2959.482284] nbd: must specify a device to reconfigure 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x1, 0x0) r2 = syz_open_dev$mouse(&(0x7f0000000040), 0x4a, 0x1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) bind$vsock_stream(r3, &(0x7f0000000000)={0x28, 0x0, 0xffffffff}, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, 0x0, 0x0) (async) r4 = syz_open_dev$mouse(&(0x7f00000000c0), 0x6, 0x840) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) r8 = syz_open_dev$mouse(&(0x7f0000000140), 0x2, 0x200) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r9, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa8, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '/dev/input/mouse#\x00'}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x4040000) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) ioctl$IOCTL_START_ACCEL_DEV(r6, 0x40096102, &(0x7f0000000180)={{}, 0x4}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) [ 2959.516982] QAT: Device 0 not found [ 2959.528535] nbd: couldn't find a device at index -16777216 [ 2959.556419] block nbd1: not configured, cannot reconfigure 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_icmp_ICMP_FILTER(0xffffffffffffffff, 0x1, 0x1, &(0x7f0000000000)={0x80000001}, 0x4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) ioctl$VHOST_GET_VRING_ENDIAN(0xffffffffffffffff, 0x4008af14, &(0x7f0000000040)={0x3, 0x1}) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x4001, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2959.588356] nbd: must specify a device to reconfigure 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x60}}, 0x0) 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000e03ee6432374673eb9536d32a8493c591d3fb4b3844ee3d99b2b7242b1cee14177ab0172ba076c6735410a96e7b6fdbf975bd2118abc07cf008876805f3912d12587008093001ad350e2fc0b57640a0eb313dbf774762aad91d33ac7fe3458c865391beaa857ae30bf28d20471975a659a", @ANYRES16=r4, @ANYBLOB="010000215a63ed3205cbafff07000000000000001002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x64}}, 0x4080) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004000}, 0x40000) [ 2959.611884] block nbd1: not configured, cannot reconfigure [ 2959.635014] QAT: Device 0 not found 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendto$x25(0xffffffffffffffff, &(0x7f0000000380)="48a588aee66c11", 0x7, 0x40, &(0x7f00000003c0)={0x9, @remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x3}}, 0x12) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) [ 2959.660499] nbd: couldn't find a device at index -16777216 07:29:01 executing program 0: r0 = syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f00000005c0)={0x80000000, 0x0, &(0x7f0000000200)=[{}, {{}, {0x80000000}}]}) openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x240100, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r0, 0xc0287c02, &(0x7f0000000100)={r1, 0x0, &(0x7f0000000040)}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="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"/333], 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r7, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000340)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x50, r3, 0x20, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000002}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}]}, 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x4) 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={0xffffffffffffffff}, 0x1, 0x0, 0x0, 0x800}, 0x81) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=ANY=[@ANYRES16, @ANYRES16=r2, @ANYRESOCT=r5, @ANYRES8=r4, @ANYBLOB="0e000200fdffffff00000000"], 0x38}}, 0x40000) 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000e03ee6432374673eb9536d32a8493c591d3fb4b3844ee3d99b2b7242b1cee14177ab0172ba076c6735410a96e7b6fdbf975bd2118abc07cf008876805f3912d12587008093001ad350e2fc0b57640a0eb313dbf774762aad91d33ac7fe3458c865391beaa857ae30bf28d20471975a659a", @ANYRES16=r4, @ANYBLOB="010000215a63ed3205cbafff07000000000000001002000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x64}}, 0x4080) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004000}, 0x40000) [ 2959.728892] nbd: must specify a device to reconfigure 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000300000086a9258a7922480a71a68879061258902bf3caa26077ab065ca5dce7e07614af41ff2042087e1743d0517095a949bde2bb449cab1a5b94c3bcec99da3c5436d4a69b82c2acf1b49bc5a9b69f57ac178f6b7afd23136f523b3c525f3d03891ea741f22a7a6acbe6ad96b534b8f586e672467611fa981ba07821fddb03e98425b080c62915b4d4aa5ee487329619705ec0e50a646e7ca007f4a8e2506090b2947d605043adb771fc63"], 0x14}}, 0x0) 07:29:01 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$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRESDEC=r1, @ANYBLOB="010000000000000000000300000078291315a300c07487e3c4d3666ee3eea6b3d03d0529dc66a54b2517c18b1c1f96ea88712d5547ac5b3b7d3bcd26eded460160f1ae8064854c32297410b415177a8fcf48d97166b76d837faf58aa50cde54ddf8f71b6f4fcecfc69e1cb13713cb2773a2142b80b9d5dc1b3e8c41c91deea"], 0x14}}, 0x40000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={0xffffffffffffffff}, 0x1, 0x0, 0x0, 0x800}, 0x81) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=ANY=[@ANYRES16, @ANYRES16=r2, @ANYRESOCT=r5, @ANYRES8=r4, @ANYBLOB="0e000200fdffffff00000000"], 0x38}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={0xffffffffffffffff}, 0x1, 0x0, 0x0, 0x800}, 0x81) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=ANY=[@ANYRES16, @ANYRES16=r2, @ANYRESOCT=r5, @ANYRES8=r4, @ANYBLOB="0e000200fdffffff00000000"], 0x38}}, 0x40000) (async) 07:29:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000e03ee6432374673eb9536d32a8493c591d3fb4b3844ee3d99b2b7242b1cee14177ab0172ba076c6735410a96e7b6fdbf975bd2118abc07cf008876805f3912d12587008093001ad350e2fc0b57640a0eb313dbf774762aad91d33ac7fe3458c865391beaa857ae30bf28d20471975a659a", @ANYRES16=r4, @ANYBLOB="010000215a63ed3205cbafff07000000000000001002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x64, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x64}}, 0x4080) 07:29:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004000}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004000}, 0x40000) (async) 07:29:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$IOCTL_STOP_ACCEL_DEV(r6, 0x40096101, &(0x7f0000000440)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000300000086a9258a7922480a71a68879061258902bf3caa26077ab065ca5dce7e07614af41ff2042087e1743d0517095a949bde2bb449cab1a5b94c3bcec99da3c5436d4a69b82c2acf1b49bc5a9b69f57ac178f6b7afd23136f523b3c525f3d03891ea741f22a7a6acbe6ad96b534b8f586e672467611fa981ba07821fddb03e98425b080c62915b4d4aa5ee487329619705ec0e50a646e7ca007f4a8e2506090b2947d605043adb771fc63"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000300000086a9258a7922480a71a68879061258902bf3caa26077ab065ca5dce7e07614af41ff2042087e1743d0517095a949bde2bb449cab1a5b94c3bcec99da3c5436d4a69b82c2acf1b49bc5a9b69f57ac178f6b7afd23136f523b3c525f3d03891ea741f22a7a6acbe6ad96b534b8f586e672467611fa981ba07821fddb03e98425b080c62915b4d4aa5ee487329619705ec0e50a646e7ca007f4a8e2506090b2947d605043adb771fc63"], 0x14}}, 0x0) (async) 07:29:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2959.798342] QAT: Device 0 not found [ 2959.814485] nbd: couldn't find a device at index -16777216 [ 2959.834507] nbd: must specify a device to reconfigure [ 2959.841936] nbd: must specify a device to reconfigure 07:29:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={0xffffffffffffffff}, 0x1, 0x0, 0x0, 0x800}, 0x81) (async) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=ANY=[@ANYRES16, @ANYRES16=r2, @ANYRESOCT=r5, @ANYRES8=r4, @ANYBLOB="0e000200fdffffff00000000"], 0x38}}, 0x40000) [ 2959.930910] nbd: must specify a device to reconfigure [ 2959.942727] QAT: Device 0 not found [ 2959.946960] nbd: must specify an index to disconnect [ 2959.953977] nbd: must specify a device to reconfigure [ 2959.963803] nbd: couldn't find a device at index -16777216 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_open_dev$mouse(0x0, 0x2000000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) write$cgroup_int(r3, &(0x7f0000000000)=0x8f22, 0x12) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_procs(r2, &(0x7f0000000280)='tasks\x00', 0x2, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r1, 0x10, 0x70bd28, 0x4, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\':'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4040040}, 0x20040041) sendmsg$NBD_CMD_STATUS(r4, 0x0, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000000100)=0x9, 0x4) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000f00)=ANY=[@ANYBLOB="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"], 0x434}, 0x1, 0x0, 0x0, 0x40040}, 0x6) 07:29:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0xc00c0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x8c, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ':+\''}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8801}, 0x20000080) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r7, 0x1}, 0x14}}, 0x40000) 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2959.980714] nbd: must specify a device to reconfigure [ 2959.986581] nbd: must specify a device to reconfigure 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000300000086a9258a7922480a71a68879061258902bf3caa26077ab065ca5dce7e07614af41ff2042087e1743d0517095a949bde2bb449cab1a5b94c3bcec99da3c5436d4a69b82c2acf1b49bc5a9b69f57ac178f6b7afd23136f523b3c525f3d03891ea741f22a7a6acbe6ad96b534b8f586e672467611fa981ba07821fddb03e98425b080c62915b4d4aa5ee487329619705ec0e50a646e7ca007f4a8e2506090b2947d605043adb771fc63"], 0x14}}, 0x0) 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2960.033141] nbd: must specify an index to disconnect 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 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$nbd(&(0x7f0000000340), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x4c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '-@'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8c0}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r10, @ANYBLOB="0100000000000000000002000800"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000040)={0x5c, r10, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, '-{^^:%\x01)-#.:]'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\\@!'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1, 0x70bd28}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="6000000092f23ae1aa4d76315dca787e6990cb7b81bcc75dc5605d7b", @ANYRES16=r5, @ANYBLOB="100027bd7000fedbdf25030000000c00020001000000000000000c00020008000000000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="06000a005e2700000c000600020000000000000007000a005c4021000c0006000200000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) ioctl$sock_x25_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000005c0)={@remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x0}, 0x3, 'macsec0\x00'}) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="62ed7a0002cee4649b5316081702a50000000000000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000ffdbdf250300000008000100000000000c00020006000000000000000c00050023010000000000000c00040000000000000000000c000400fd427170000000000c00030001000100000000000c0002000900000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r2 = syz_open_dev$mouse(0x0, 0x2000000, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async, rerun: 64) write$cgroup_int(r3, &(0x7f0000000000)=0x8f22, 0x12) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$cgroup_procs(r2, &(0x7f0000000280)='tasks\x00', 0x2, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r1, 0x10, 0x70bd28, 0x4, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\':'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4040040}, 0x20040041) (async) sendmsg$NBD_CMD_STATUS(r4, 0x0, 0x0) (async) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000000100)=0x9, 0x4) (async, rerun: 64) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000f00)=ANY=[@ANYBLOB="34040000f303080025bd7000fbdbdf250300000000000000ffffffff07000000080000001c00000004000000feffffff00040000ffff00000080000001ffffff04000000000000000300000000040000010000800100000001000000070000004f4500000000010005000000010000004700000009000000fbffffff00ffffff0500000000000000f9ffffffa900000006000000f183800009000000400000004560000002000000ba0000001f0000007f000000070000001f00000004000000ff0000000600000007000000040000000600000075080000000000000300000000040000b9010000fcffffff800000000400000004000000b7000000f7ffffff030000008d0800000901000001000080ff0f00001f00000000010000ffffffff01040000080000000600000006000000ff0700000500000001000000f9ffffff01f8ffff0500000003000000070000000100000051000000030000000900000007000000010000004a00000009000000f90000000001000006000000ff0f000005000000000200000200000004000000ff7f000002000000e70000000400000000000000060000003e06000003000000210000000900000000000000ba00000009000000ff0700000200000006000000cc00000000000000840b00000200000005000000ff03000005000000010400000000000001000000010000800400000000c00000000000000100000003000000ff000000ff0f0000000000e402000000db35000009000000ffffffff01000000090000000100000004000000060000000100000009000000420000000100000003000000e01103050100000008000000050000000008000002000000000200000800000006000000050000000000000006000000ffff0000020000000600000003000000030000000100000001000080010100000000000080ffffff0900000009000000070000000185a76629395d372db410cf9c80a10000004a0600000500000002000000020000000100000008000000020000000600000004000000c466000008000000070000000500000008000000040000000400000000000000090000000500000004000000050000003f0000000800000001000000ffff000001000100020000000000000000000000090000000900000007000000040000000180000004000000040000004000000007000000040000003f0000000400000002000000010000000010000007000000050000000500000007000000823b00000600000001000000010400000700000001000000ff0300000600000002000000010000001f0000000000000002000000a20000007bc200000700000003000000070000000000000001040000040000000100010000000000000018000500000040000000020000000100001803000000ffffff7f040000000180ffff060000000100000004000000ff030000ac080b495818298d627e000000100000120000009d2d0000215e2b002f6465762f7a65726f0000006e54ef2ca2605aa739564c35138dc7aa21b3646b7da0e0623fcb42607480ae7d2e0e13c06e2ab92af27b07b63ec4f2550524f0be5611a9b44d000d514664382aea"], 0x434}, 0x1, 0x0, 0x0, 0x40040}, 0x6) (rerun: 64) 07:29:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0xc00c0, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (rerun: 32) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x8c, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ':+\''}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8801}, 0x20000080) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r7, 0x1}, 0x14}}, 0x40000) [ 2960.089937] nbd: couldn't find a device at index -16777216 [ 2960.117067] nbd: must specify a device to reconfigure [ 2960.132235] nbd: must specify a device to reconfigure 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2960.150697] nbd: must specify an index to disconnect 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x4c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '-@'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8c0}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r10, @ANYBLOB="0100000000000000000002000800"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000040)={0x5c, r10, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, '-{^^:%\x01)-#.:]'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\\@!'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1, 0x70bd28}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="6000000092f23ae1aa4d76315dca787e6990cb7b81bcc75dc5605d7b", @ANYRES16=r5, @ANYBLOB="100027bd7000fedbdf25030000000c00020001000000000000000c00020008000000000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="06000a005e2700000c000600020000000000000007000a005c4021000c0006000200000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) ioctl$sock_x25_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000005c0)={@remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x0}, 0x3, 'macsec0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x4c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '-@'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8c0}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r10, @ANYBLOB="0100000000000000000002000800"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000040)={0x5c, r10, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, '-{^^:%\x01)-#.:]'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\\@!'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1, 0x70bd28}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="6000000092f23ae1aa4d76315dca787e6990cb7b81bcc75dc5605d7b", @ANYRES16=r5, @ANYBLOB="100027bd7000fedbdf25030000000c00020001000000000000000c00020008000000000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="06000a005e2700000c000600020000000000000007000a005c4021000c0006000200000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) (async) ioctl$sock_x25_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000005c0)={@remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x0}, 0x3, 'macsec0\x00'}) (async) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r2, 0x28, 0x6, &(0x7f00000005c0)={r3, r4/1000+60000}, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="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"], 0x34}}, 0x0) [ 2960.182121] nbd: must specify an index to disconnect [ 2960.198774] nbd: must specify an index to disconnect [ 2960.214443] nbd: couldn't find a device at index -16777216 [ 2960.254609] nbd: must specify a device to reconfigure 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r2 = syz_open_dev$mouse(0x0, 0x2000000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) write$cgroup_int(r3, &(0x7f0000000000)=0x8f22, 0x12) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_procs(r2, &(0x7f0000000280)='tasks\x00', 0x2, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r1, 0x10, 0x70bd28, 0x4, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\':'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4040040}, 0x20040041) sendmsg$NBD_CMD_STATUS(r4, 0x0, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000000100)=0x9, 0x4) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000f00)=ANY=[@ANYBLOB="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"], 0x434}, 0x1, 0x0, 0x0, 0x40040}, 0x6) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) syz_open_dev$mouse(0x0, 0x2000000, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) (async) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, 0x0) (async) write$cgroup_int(r3, &(0x7f0000000000)=0x8f22, 0x12) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$cgroup_procs(r2, &(0x7f0000000280)='tasks\x00', 0x2, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r1, 0x10, 0x70bd28, 0x4, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\':'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4040040}, 0x20040041) (async) sendmsg$NBD_CMD_STATUS(r4, 0x0, 0x0) (async) socket$netlink(0x10, 0x3, 0x0) (async) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000000100)=0x9, 0x4) (async) sendmsg$AUDIT_ADD_RULE(r5, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000f00)=ANY=[@ANYBLOB="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"], 0x434}, 0x1, 0x0, 0x0, 0x40040}, 0x6) (async) 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2960.278569] nbd: must specify an index to disconnect [ 2960.313545] nbd: must specify an index to disconnect [ 2960.330341] nbd: must specify a device to reconfigure [ 2960.336754] nbd: couldn't find a device at index -16777216 [ 2960.351956] nbd: must specify an index to disconnect 07:29:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0xc00c0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x8c, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ':+\''}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8801}, 0x20000080) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r7, 0x1}, 0x14}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0xc00c0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r6, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x8c, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ':+\''}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8801}, 0x20000080) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r7, 0x1}, 0x14}}, 0x40000) (async) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r1, 0x28, 0x6, &(0x7f00000005c0)={r2, r3/1000+60000}, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 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$nbd(&(0x7f0000000340), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x4c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '-@'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8c0}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r10, @ANYBLOB="0100000000000000000002000800"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000040)={0x5c, r10, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, '-{^^:%\x01)-#.:]'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\\@!'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1, 0x70bd28}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="6000000092f23ae1aa4d76315dca787e6990cb7b81bcc75dc5605d7b", @ANYRES16=r5, @ANYBLOB="100027bd7000fedbdf25030000000c00020001000000000000000c00020008000000000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="06000a005e2700000c000600020000000000000007000a005c4021000c0006000200000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) ioctl$sock_x25_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000005c0)={@remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x0}, 0x3, 'macsec0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 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$nbd(&(0x7f0000000340), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x4c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '-@'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8c0}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r9) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r10, @ANYBLOB="0100000000000000000002000800"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000040)={0x5c, r10, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, '-{^^:%\x01)-#.:]'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\\@!'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1, 0x70bd28}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) getsockopt$sock_cred(r11, 0x1, 0x11, 0x0, &(0x7f0000000580)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="6000000092f23ae1aa4d76315dca787e6990cb7b81bcc75dc5605d7b", @ANYRES16=r5, @ANYBLOB="100027bd7000fedbdf25030000000c00020001000000000000000c00020008000000000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="06000a005e2700000c000600020000000000000007000a005c4021000c0006000200000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) (async) ioctl$sock_x25_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000005c0)={@remote={'\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc', 0x0}, 0x3, 'macsec0\x00'}) (async) [ 2960.362845] nbd: must specify a device to reconfigure [ 2960.378394] nbd: must specify an index to disconnect 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2960.441471] nbd: must specify a device to reconfigure 07:29:02 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd25, 0xfffffffd}, 0x14}}, 0x2004c000) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r1, 0x28, 0x6, &(0x7f00000005c0)={r2, r3/1000+60000}, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) [ 2960.471712] nbd: must specify a device to reconfigure 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0100470000000000000000030008"], 0x14}, 0x1, 0x0, 0x0, 0xc001}, 0x0) [ 2960.500106] nbd: must specify an index to disconnect 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:02 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd25, 0xfffffffd}, 0x14}}, 0x2004c000) [ 2960.528676] nbd: must specify an index to disconnect [ 2960.533928] nbd: must specify a device to reconfigure [ 2960.546526] nbd: must specify an index to disconnect 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r1, 0x28, 0x6, &(0x7f00000005c0)={r2, r3/1000+60000}, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16, @ANYBLOB="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"], 0x34}}, 0x0) [ 2960.569061] nbd: must specify an index to disconnect 07:29:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (rerun: 32) 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fd0f000000000000010000000c00020080000000000000e10c0006006b9c5ba965cbc5dc0c000200fdffffffffffffff1dc5fe084313329adf9052974b1f7180096f3c516132f521993c648da087007e39072ef1b0f522a95e92b1c08bb32ea1649e4fb2f42d74b04179fbaee0b7c78e8389c10c98639f991b3b08c33105434b7b786f45746305a76dfa8800759d9ce17e644be7949a2db122bfc4f4f78d7cd124e0d3d4c0a7ac7f"], 0x38}}, 0x0) 07:29:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0100470000000000000000030008"], 0x14}, 0x1, 0x0, 0x0, 0xc001}, 0x0) (rerun: 32) [ 2960.594175] nbd: must specify an index to disconnect 07:29:02 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd25, 0xfffffffd}, 0x14}}, 0x2004c000) [ 2960.633233] nbd: must specify an index to disconnect [ 2960.651346] nbd: must specify a device to reconfigure 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) clock_gettime(0x0, &(0x7f0000000580)) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fd0f000000000000010000000c00020080000000000000e10c0006006b9c5ba965cbc5dc0c000200fdffffffffffffff1dc5fe084313329adf9052974b1f7180096f3c516132f521993c648da087007e39072ef1b0f522a95e92b1c08bb32ea1649e4fb2f42d74b04179fbaee0b7c78e8389c10c98639f991b3b08c33105434b7b786f45746305a76dfa8800759d9ce17e644be7949a2db122bfc4f4f78d7cd124e0d3d4c0a7ac7f"], 0x38}}, 0x0) [ 2960.673707] nbd: must specify at least one socket 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008844}, 0x200040c2) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:02 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x509302, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000300), 0x100, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40840000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0xac, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\\(/+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff0a0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xac}, 0x1, 0x0, 0x0, 0x10}, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) syz_open_dev$mouse(0x0, 0x0, 0x0) socketpair(0x6, 0x80000, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$packet_fanout(r7, 0x107, 0x12, &(0x7f0000000200)={0x0, 0x1000}, 0x4) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r8) [ 2960.705334] nbd: must specify an index to disconnect [ 2960.712393] nbd: must specify an index to disconnect [ 2960.720655] nbd: must specify an index to disconnect [ 2960.732010] nbd: must specify an index to disconnect [ 2960.738032] nbd: must specify an index to disconnect [ 2960.743448] nbd: must specify an index to disconnect 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fd0f000000000000010000000c00020080000000000000e10c0006006b9c5ba965cbc5dc0c000200fdffffffffffffff1dc5fe084313329adf9052974b1f7180096f3c516132f521993c648da087007e39072ef1b0f522a95e92b1c08bb32ea1649e4fb2f42d74b04179fbaee0b7c78e8389c10c98639f991b3b08c33105434b7b786f45746305a76dfa8800759d9ce17e644be7949a2db122bfc4f4f78d7cd124e0d3d4c0a7ac7f"], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fd0f000000000000010000000c00020080000000000000e10c0006006b9c5ba965cbc5dc0c000200fdffffffffffffff1dc5fe084313329adf9052974b1f7180096f3c516132f521993c648da087007e39072ef1b0f522a95e92b1c08bb32ea1649e4fb2f42d74b04179fbaee0b7c78e8389c10c98639f991b3b08c33105434b7b786f45746305a76dfa8800759d9ce17e644be7949a2db122bfc4f4f78d7cd124e0d3d4c0a7ac7f"], 0x38}}, 0x0) (async) [ 2960.759927] nbd: must specify an index to disconnect [ 2960.775167] nbd: must specify an index to disconnect [ 2960.784739] nbd: must specify an index to disconnect [ 2960.790842] nbd: must specify an index to disconnect [ 2960.796074] nbd: must specify at least one socket [ 2960.801110] nbd: couldn't find a device at index -16777216 07:29:02 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x509302, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000300), 0x100, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40840000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0xac, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\\(/+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff0a0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xac}, 0x1, 0x0, 0x0, 0x10}, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) socketpair(0x6, 0x80000, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$packet_fanout(r7, 0x107, 0x12, &(0x7f0000000200)={0x0, 0x1000}, 0x4) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r8) 07:29:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$zero(0xffffffffffffff9c, &(0x7f0000000540), 0x183000, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, &(0x7f0000000580)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r5) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2960.814370] nbd: must specify an index to disconnect [ 2960.830778] nbd: must specify a device to reconfigure [ 2960.836123] nbd: must specify an index to disconnect [ 2960.848136] nbd: must specify an index to disconnect [ 2960.859542] nbd: must specify at least one socket [ 2960.870649] nbd: must specify an index to disconnect [ 2960.875910] nbd: must specify an index to disconnect [ 2960.886983] nbd: couldn't find a device at index -16777216 [ 2960.895490] nbd: must specify at least one socket [ 2960.903501] nbd: must specify an index to disconnect 07:29:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x38}}, 0x20000000) [ 2960.923302] nbd: must specify an index to disconnect [ 2960.929411] nbd: must specify an index to disconnect [ 2960.940072] nbd: must specify an index to disconnect [ 2960.946001] nbd: must specify an index to disconnect [ 2960.963448] nbd: must specify an index to disconnect [ 2960.973249] nbd: must specify an index to disconnect [ 2960.983045] nbd: must specify an index to disconnect [ 2960.990018] nbd: must specify an index to disconnect [ 2960.995507] nbd: must specify an index to disconnect [ 2961.002143] nbd: must specify a size in bytes for the device [ 2961.009016] nbd: must specify an index to disconnect [ 2961.018864] nbd: must specify an index to disconnect 07:29:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0100470000000000000000030008"], 0x14}, 0x1, 0x0, 0x0, 0xc001}, 0x0) 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:03 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x509302, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000300), 0x100, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40840000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0xac, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\\(/+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff0a0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xac}, 0x1, 0x0, 0x0, 0x10}, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) syz_open_dev$mouse(0x0, 0x0, 0x0) socketpair(0x6, 0x80000, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$packet_fanout(r7, 0x107, 0x12, &(0x7f0000000200)={0x0, 0x1000}, 0x4) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r8) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x509302, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000300), 0x100, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40840000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0xac, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\\(/+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff0a0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xac}, 0x1, 0x0, 0x0, 0x10}, 0x800) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async) syz_open_dev$mouse(0x0, 0x0, 0x0) (async) socketpair(0x6, 0x80000, 0x3, &(0x7f00000001c0)) (async) setsockopt$packet_fanout(r7, 0x107, 0x12, &(0x7f0000000200)={0x0, 0x1000}, 0x4) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r8) (async) 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x78, r5, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}}, 0x4000004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r6, 0x1}, 0x14}}, 0x40000) 07:29:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x38}}, 0x20000000) [ 2961.026708] nbd: must specify an index to disconnect [ 2961.032819] nbd: must specify an index to disconnect [ 2961.038977] nbd: must specify an index to disconnect [ 2961.044214] nbd: must specify an index to disconnect [ 2961.049541] nbd: must specify an index to disconnect [ 2961.054676] nbd: must specify an index to disconnect [ 2961.060072] nbd: must specify an index to disconnect [ 2961.065215] nbd: must specify an index to disconnect [ 2961.070734] nbd: must specify an index to disconnect 07:29:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x38}}, 0x20000000) [ 2961.119532] nbd: must specify a size in bytes for the device [ 2961.134680] nbd: couldn't find a device at index -16777216 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000300000004000a0008000a006e62660008000100000000ffff0002000000000000000000871c3bcd29e533c1bb8d3e03680f93326af8597cbed91bb8f7f456726453b133ea56d81851e047079f9828a78ab05a9481e25a84c4c4ad7f50427e6fb71f7116546f672f7e1ecff975664cb75e1a1048b3e405ea51d4a0bac33b5268e58234c1ff31394d600762f091fe6c1c62d688babdeef8ed4f2f016373d6c40eb17fa91dacd8324a73a8a9c2c1c0f59289f0de964bbbb64cc32311f9614ceb954b5aed95dd901913eb1036d28a444cd1d16510ad3f214a171d2565f14c234614cb44d16445f9ef77cbbf3d474c717475f2c8bf592160c5be1a48113652722af4"], 0x34}}, 0x0) 07:29:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x0) [ 2961.160022] nbd: must specify an index to disconnect [ 2961.176069] nbd: must specify an index to disconnect [ 2961.198688] nbd: must specify an index to disconnect 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) ioctl$VHOST_GET_FEATURES(0xffffffffffffffff, 0x8008af00, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) 07:29:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x78, r5, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}}, 0x4000004) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r6, 0x1}, 0x14}}, 0x40000) [ 2961.206925] nbd: must specify a size in bytes for the device [ 2961.224043] nbd: must specify a device to reconfigure 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x0) [ 2961.262687] nbd: must specify a device to reconfigure 07:29:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x2, 0xa000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r6 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r6, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r7 = socket$nl_audit(0x10, 0x3, 0x9) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000003e00)={&(0x7f00000000c0)=@proc={0x10, 0x0, 0x25dfdbfd, 0x200000}, 0xc, &(0x7f0000003c40)=[{&(0x7f0000000380)={0x12b4, 0x1f, 0x100, 0x70bd2a, 0x25dfdbfb, "", [@nested={0x3f, 0x79, 0x0, 0x1, [@generic="51b2025c7363f1b590951cc35d5ad1617dd60f6fc4b9888a1d2a04733d601334ef1697306fdf1f2fe55e14a3b852d5", @typed={0xc, 0x30, 0x0, 0x0, @u64=0x2}]}, @nested={0x3c, 0x1f, 0x0, 0x1, [@generic="eec0f3171078ed80058c48a739871a69533449961e8457d6705bcfcf9662d6c4ef089ac7e723e136975a64f928e115dbe5ac2def4ebfb1e4"]}, @nested={0x1226, 0x62, 0x0, 0x1, [@typed={0xc, 0x83, 0x0, 0x0, @u64=0x3}, @typed={0x8, 0x40, 0x0, 0x0, @fd}, @generic="35129bd4ef2d410d86f5ff8ec22836a4dc9e793bedfc04abe16a147ba0d43a055cbcf71f7783cbf2aa911c5d65bc97c61a876b863b057166bd0e1b2733bc52481e2e83f5efca487e44e4e0c5958b3751c14f56c703364de55c0549b61c56c10cd433c15f7bf5e9c93206a3c3373344e4de6d80ba26c124f7a7f556ae1777040af1a91d64fb83af18fc805ef304f428cd0718d1e8a38589b628033e7168abbe4dfc2acb068e8133a7562febb3a164e04d23af12b3005e8f1bd1782473a3805756e5797d9bc1b66a0ed1391132c48b3b553de6003dd1d755c6214387dea535a926fb5bcf7ce6c680852933c22d266b6f", @generic="c0114bd745db71acb71603a959c1443a450ad2b7755163e4c904c8453f02aa6d815431a1bdc174baafe707bf577fc08fb70feb1f096f49cc338d450c5cb27a14050e80833a0295cf4f6412885b084de550ad6888b23ad5751c8ba5f83b175ed6fd986f61aba912d3d0", @generic="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@generic="146cbc47f4118e906d2f8945cf8aa3be1f4134b6c4342a62548a1c850759fd1020676801eda0aa0cbfbd5e6aa4ec4c22a3c08a996e62732908260fb7d76860e86e2cd9d50a70109e6f85300b4581bf84be850531c569d5842130d04cea68875f27fbbf94e725521c848c965a8c470bee63d8a283476c811c906b20f970953c2038763ab8cceec6967f46fe30bf1529607d2fb39333f0359428c10a0c0fd4137c7891b602c958f949c8e8486b2136da6c0241b160744f66f1c80a", @generic="663981d983c184107f3298ce1f01ec24eaff3ddfce2ec1fde868a1a2d700ca38b6a942249c574615bcba385de848155c26fe462fda0fbefe0e44aefe5f1e5d979e61cb29126464749fe37fff23d76cec1b6f1b2a4df18f47fe15fba1bac86a8838d97f792ad2b7548df059252e403cd0e6b7eb29d5b3169f0a09ebae30e0effe9606fc242e097de68f0f621a34f39ebcf93e3a62c76264510d9b066db3f79ea38ff9b7bba1084815b7c1acbf9ebea706b8aed004053484f9aba9d505190470758ed4cebe3dbba5c0a633e104603264170272c0f1abd3cdbb8ad37c58dc2699b97f990fb4a06a107fcba87f2174c57dc8a6797f78", @generic="fe51024b0742723e8637c07ac6b4b517c431aca1bbec48c89b5ec559330573dc3643606f65740e026c7be068fe2558cc1c11728ec353bd7e32d4de6bde199421821314b99b907b632d0ab88ff304bb62d2e4e240fbe744e3b423be3dd66fec73e5fe3d15f5d34213973d9c63138f9effb183ad1d0d0bf4c997763c3f3ccc7102edcde2d24930652cccb2c404bdfc1a115388a05a5ae8c95dd3462acc234a85a48b9a7d3828d5bfab90ddb353a61e0f5675e09d0835f6f8c629474e19f9ef58cc7d3f1a1636dc23c50003c9cf386c072224a4b869936383", @nested={0x1a5, 0x5b, 0x0, 0x1, [@generic="d03b08131809cc78eae0edca80dd3ecb29430289e76b1a79045895b9d13079554fcab0f1c1afe54f05a07b38725ffd516e87d8", @generic="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", @typed={0x8, 0x2c, 0x0, 0x0, @str='nbd\x00'}, @typed={0x65, 0x54, 0x0, 0x0, @binary="0e0ef8a4b727529d3e40fcbbd0986fa8a23b7acb9f7a32bcdcfd5e4db1a590fe03c2385765d1c70f154c2773ccc5ca35746b1baf7bc7641f132282d45a823d6f86bc29615edb919793ac87970f47d89d35742b405387fd8043f92ce2deff7aa18a"}]}, @generic="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0x1450}], 0x4, &(0x7f0000003d00)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [r1, r4, r5, r6, r1]}}, @rights={{0x1c, 0x1, 0x1, [r1, r1, r7]}}, @rights={{0x20, 0x1, 0x1, [r1, 0xffffffffffffffff, r1, r8]}}], 0xd0, 0x4000000}, 0x0) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r10, 0x5}, 0x14}}, 0x80) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r9, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7e22}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc080}, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x34}}, 0x0) [ 2961.305288] nbd: must specify an index to disconnect 07:29:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) ioctl$VHOST_GET_FEATURES(0xffffffffffffffff, 0x8008af00, &(0x7f0000000000)) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}]}, 0x38}}, 0x0) (rerun: 32) 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) 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$nbd(&(0x7f0000000340), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x78, r5, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffff0001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x78}}, 0x4000004) (async, rerun: 32) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r6, 0x1}, 0x14}}, 0x40000) 07:29:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000005c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x0) (async) 07:29:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x2, 0xa000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r6 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r6, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r7 = socket$nl_audit(0x10, 0x3, 0x9) (async) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000003e00)={&(0x7f00000000c0)=@proc={0x10, 0x0, 0x25dfdbfd, 0x200000}, 0xc, &(0x7f0000003c40)=[{&(0x7f0000000380)={0x12b4, 0x1f, 0x100, 0x70bd2a, 0x25dfdbfb, "", [@nested={0x3f, 0x79, 0x0, 0x1, [@generic="51b2025c7363f1b590951cc35d5ad1617dd60f6fc4b9888a1d2a04733d601334ef1697306fdf1f2fe55e14a3b852d5", @typed={0xc, 0x30, 0x0, 0x0, @u64=0x2}]}, @nested={0x3c, 0x1f, 0x0, 0x1, [@generic="eec0f3171078ed80058c48a739871a69533449961e8457d6705bcfcf9662d6c4ef089ac7e723e136975a64f928e115dbe5ac2def4ebfb1e4"]}, @nested={0x1226, 0x62, 0x0, 0x1, [@typed={0xc, 0x83, 0x0, 0x0, @u64=0x3}, @typed={0x8, 0x40, 0x0, 0x0, @fd}, @generic="35129bd4ef2d410d86f5ff8ec22836a4dc9e793bedfc04abe16a147ba0d43a055cbcf71f7783cbf2aa911c5d65bc97c61a876b863b057166bd0e1b2733bc52481e2e83f5efca487e44e4e0c5958b3751c14f56c703364de55c0549b61c56c10cd433c15f7bf5e9c93206a3c3373344e4de6d80ba26c124f7a7f556ae1777040af1a91d64fb83af18fc805ef304f428cd0718d1e8a38589b628033e7168abbe4dfc2acb068e8133a7562febb3a164e04d23af12b3005e8f1bd1782473a3805756e5797d9bc1b66a0ed1391132c48b3b553de6003dd1d755c6214387dea535a926fb5bcf7ce6c680852933c22d266b6f", @generic="c0114bd745db71acb71603a959c1443a450ad2b7755163e4c904c8453f02aa6d815431a1bdc174baafe707bf577fc08fb70feb1f096f49cc338d450c5cb27a14050e80833a0295cf4f6412885b084de550ad6888b23ad5751c8ba5f83b175ed6fd986f61aba912d3d0", @generic="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@generic="146cbc47f4118e906d2f8945cf8aa3be1f4134b6c4342a62548a1c850759fd1020676801eda0aa0cbfbd5e6aa4ec4c22a3c08a996e62732908260fb7d76860e86e2cd9d50a70109e6f85300b4581bf84be850531c569d5842130d04cea68875f27fbbf94e725521c848c965a8c470bee63d8a283476c811c906b20f970953c2038763ab8cceec6967f46fe30bf1529607d2fb39333f0359428c10a0c0fd4137c7891b602c958f949c8e8486b2136da6c0241b160744f66f1c80a", @generic="663981d983c184107f3298ce1f01ec24eaff3ddfce2ec1fde868a1a2d700ca38b6a942249c574615bcba385de848155c26fe462fda0fbefe0e44aefe5f1e5d979e61cb29126464749fe37fff23d76cec1b6f1b2a4df18f47fe15fba1bac86a8838d97f792ad2b7548df059252e403cd0e6b7eb29d5b3169f0a09ebae30e0effe9606fc242e097de68f0f621a34f39ebcf93e3a62c76264510d9b066db3f79ea38ff9b7bba1084815b7c1acbf9ebea706b8aed004053484f9aba9d505190470758ed4cebe3dbba5c0a633e104603264170272c0f1abd3cdbb8ad37c58dc2699b97f990fb4a06a107fcba87f2174c57dc8a6797f78", @generic="fe51024b0742723e8637c07ac6b4b517c431aca1bbec48c89b5ec559330573dc3643606f65740e026c7be068fe2558cc1c11728ec353bd7e32d4de6bde199421821314b99b907b632d0ab88ff304bb62d2e4e240fbe744e3b423be3dd66fec73e5fe3d15f5d34213973d9c63138f9effb183ad1d0d0bf4c997763c3f3ccc7102edcde2d24930652cccb2c404bdfc1a115388a05a5ae8c95dd3462acc234a85a48b9a7d3828d5bfab90ddb353a61e0f5675e09d0835f6f8c629474e19f9ef58cc7d3f1a1636dc23c50003c9cf386c072224a4b869936383", @nested={0x1a5, 0x5b, 0x0, 0x1, [@generic="d03b08131809cc78eae0edca80dd3ecb29430289e76b1a79045895b9d13079554fcab0f1c1afe54f05a07b38725ffd516e87d8", @generic="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", @typed={0x8, 0x2c, 0x0, 0x0, @str='nbd\x00'}, @typed={0x65, 0x54, 0x0, 0x0, @binary="0e0ef8a4b727529d3e40fcbbd0986fa8a23b7acb9f7a32bcdcfd5e4db1a590fe03c2385765d1c70f154c2773ccc5ca35746b1baf7bc7641f132282d45a823d6f86bc29615edb919793ac87970f47d89d35742b405387fd8043f92ce2deff7aa18a"}]}, @generic="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0x1450}], 0x4, &(0x7f0000003d00)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [r1, r4, r5, r6, r1]}}, @rights={{0x1c, 0x1, 0x1, [r1, r1, r7]}}, @rights={{0x20, 0x1, 0x1, [r1, 0xffffffffffffffff, r1, r8]}}], 0xd0, 0x4000000}, 0x0) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r10, 0x5}, 0x14}}, 0x80) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r9, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7e22}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc080}, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x34}}, 0x0) [ 2961.404593] nbd: must specify a device to reconfigure [ 2961.410373] nbd: must specify a device to reconfigure [ 2961.427837] nbd: must specify an index to disconnect [ 2961.484918] nbd: must specify an index to disconnect 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2961.515456] nbd: must specify an index to disconnect 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x34}}, 0x0) [ 2961.571415] nbd: must specify a device to reconfigure 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) 07:29:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) r1 = syz_open_dev$mouse(0x0, 0x2, 0xa000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = socket$netlink(0x10, 0x3, 0x0) (rerun: 64) setsockopt$netlink_NETLINK_CAP_ACK(r4, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r5 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r5, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) r6 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r6, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) r7 = socket$nl_audit(0x10, 0x3, 0x9) (async, rerun: 32) r8 = socket$netlink(0x10, 0x3, 0x0) (rerun: 32) setsockopt$netlink_NETLINK_CAP_ACK(r8, 0x10e, 0xa, &(0x7f0000001500)=0x9, 0x4) (async) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000003e00)={&(0x7f00000000c0)=@proc={0x10, 0x0, 0x25dfdbfd, 0x200000}, 0xc, &(0x7f0000003c40)=[{&(0x7f0000000380)={0x12b4, 0x1f, 0x100, 0x70bd2a, 0x25dfdbfb, "", [@nested={0x3f, 0x79, 0x0, 0x1, [@generic="51b2025c7363f1b590951cc35d5ad1617dd60f6fc4b9888a1d2a04733d601334ef1697306fdf1f2fe55e14a3b852d5", @typed={0xc, 0x30, 0x0, 0x0, @u64=0x2}]}, @nested={0x3c, 0x1f, 0x0, 0x1, [@generic="eec0f3171078ed80058c48a739871a69533449961e8457d6705bcfcf9662d6c4ef089ac7e723e136975a64f928e115dbe5ac2def4ebfb1e4"]}, @nested={0x1226, 0x62, 0x0, 0x1, [@typed={0xc, 0x83, 0x0, 0x0, @u64=0x3}, @typed={0x8, 0x40, 0x0, 0x0, @fd}, @generic="35129bd4ef2d410d86f5ff8ec22836a4dc9e793bedfc04abe16a147ba0d43a055cbcf71f7783cbf2aa911c5d65bc97c61a876b863b057166bd0e1b2733bc52481e2e83f5efca487e44e4e0c5958b3751c14f56c703364de55c0549b61c56c10cd433c15f7bf5e9c93206a3c3373344e4de6d80ba26c124f7a7f556ae1777040af1a91d64fb83af18fc805ef304f428cd0718d1e8a38589b628033e7168abbe4dfc2acb068e8133a7562febb3a164e04d23af12b3005e8f1bd1782473a3805756e5797d9bc1b66a0ed1391132c48b3b553de6003dd1d755c6214387dea535a926fb5bcf7ce6c680852933c22d266b6f", @generic="c0114bd745db71acb71603a959c1443a450ad2b7755163e4c904c8453f02aa6d815431a1bdc174baafe707bf577fc08fb70feb1f096f49cc338d450c5cb27a14050e80833a0295cf4f6412885b084de550ad6888b23ad5751c8ba5f83b175ed6fd986f61aba912d3d0", @generic="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@generic="146cbc47f4118e906d2f8945cf8aa3be1f4134b6c4342a62548a1c850759fd1020676801eda0aa0cbfbd5e6aa4ec4c22a3c08a996e62732908260fb7d76860e86e2cd9d50a70109e6f85300b4581bf84be850531c569d5842130d04cea68875f27fbbf94e725521c848c965a8c470bee63d8a283476c811c906b20f970953c2038763ab8cceec6967f46fe30bf1529607d2fb39333f0359428c10a0c0fd4137c7891b602c958f949c8e8486b2136da6c0241b160744f66f1c80a", @generic="663981d983c184107f3298ce1f01ec24eaff3ddfce2ec1fde868a1a2d700ca38b6a942249c574615bcba385de848155c26fe462fda0fbefe0e44aefe5f1e5d979e61cb29126464749fe37fff23d76cec1b6f1b2a4df18f47fe15fba1bac86a8838d97f792ad2b7548df059252e403cd0e6b7eb29d5b3169f0a09ebae30e0effe9606fc242e097de68f0f621a34f39ebcf93e3a62c76264510d9b066db3f79ea38ff9b7bba1084815b7c1acbf9ebea706b8aed004053484f9aba9d505190470758ed4cebe3dbba5c0a633e104603264170272c0f1abd3cdbb8ad37c58dc2699b97f990fb4a06a107fcba87f2174c57dc8a6797f78", @generic="fe51024b0742723e8637c07ac6b4b517c431aca1bbec48c89b5ec559330573dc3643606f65740e026c7be068fe2558cc1c11728ec353bd7e32d4de6bde199421821314b99b907b632d0ab88ff304bb62d2e4e240fbe744e3b423be3dd66fec73e5fe3d15f5d34213973d9c63138f9effb183ad1d0d0bf4c997763c3f3ccc7102edcde2d24930652cccb2c404bdfc1a115388a05a5ae8c95dd3462acc234a85a48b9a7d3828d5bfab90ddb353a61e0f5675e09d0835f6f8c629474e19f9ef58cc7d3f1a1636dc23c50003c9cf386c072224a4b869936383", @nested={0x1a5, 0x5b, 0x0, 0x1, [@generic="d03b08131809cc78eae0edca80dd3ecb29430289e76b1a79045895b9d13079554fcab0f1c1afe54f05a07b38725ffd516e87d8", @generic="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", @typed={0x8, 0x2c, 0x0, 0x0, @str='nbd\x00'}, @typed={0x65, 0x54, 0x0, 0x0, @binary="0e0ef8a4b727529d3e40fcbbd0986fa8a23b7acb9f7a32bcdcfd5e4db1a590fe03c2385765d1c70f154c2773ccc5ca35746b1baf7bc7641f132282d45a823d6f86bc29615edb919793ac87970f47d89d35742b405387fd8043f92ce2deff7aa18a"}]}, @generic="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0x1450}], 0x4, &(0x7f0000003d00)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [r1, r4, r5, r6, r1]}}, @rights={{0x1c, 0x1, 0x1, [r1, r1, r7]}}, @rights={{0x20, 0x1, 0x1, [r1, 0xffffffffffffffff, r1, r8]}}], 0xd0, 0x4000000}, 0x0) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r10, 0x5}, 0x14}}, 0x80) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r9, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7e22}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc080}, 0x10) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 07:29:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x34}}, 0x0) 07:29:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x64}}, 0x0) [ 2961.788637] nbd: must specify a device to reconfigure [ 2961.968823] ================================================================== [ 2961.976392] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0 [ 2961.983227] Read of size 4 at addr ffff8882387a2ad8 by task syz-executor.3/17298 [ 2961.990872] [ 2961.992481] CPU: 1 PID: 17298 Comm: syz-executor.3 Not tainted 4.14.295-syzkaller #0 [ 2962.000355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 2962.009686] Call Trace: [ 2962.012254] dump_stack+0x1b2/0x281 [ 2962.015864] print_address_description.cold+0x54/0x1d3 [ 2962.021116] kasan_report_error.cold+0x8a/0x191 [ 2962.025764] ? refcount_dec_not_one+0x9a/0xc0 [ 2962.030235] __asan_report_load4_noabort+0x68/0x70 [ 2962.035142] ? refcount_dec_not_one+0x9a/0xc0 [ 2962.039611] refcount_dec_not_one+0x9a/0xc0 [ 2962.043912] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2962.048818] nbd_genl_connect+0xce1/0x13e0 [ 2962.053034] ? nbd_xmit_timeout+0x500/0x500 [ 2962.057331] ? __mutex_lock+0x356/0x1310 [ 2962.061368] ? validate_nla+0x192/0x5e0 [ 2962.065323] genl_family_rcv_msg+0x572/0xb20 [ 2962.069708] ? genl_rcv+0x40/0x40 [ 2962.073142] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 2962.078571] ? trace_hardirqs_on+0x10/0x10 [ 2962.082783] genl_rcv_msg+0xaf/0x140 [ 2962.086473] netlink_rcv_skb+0x125/0x390 [ 2962.090509] ? genl_family_rcv_msg+0xb20/0xb20 [ 2962.095065] ? netlink_ack+0x9a0/0x9a0 [ 2962.098927] ? lock_acquire+0x170/0x3f0 [ 2962.102881] genl_rcv+0x24/0x40 [ 2962.106140] netlink_unicast+0x437/0x610 [ 2962.110187] ? netlink_sendskb+0xd0/0xd0 [ 2962.114227] ? __check_object_size+0x179/0x230 [ 2962.118916] netlink_sendmsg+0x648/0xbc0 [ 2962.122972] ? nlmsg_notify+0x1b0/0x1b0 [ 2962.127281] ? kernel_recvmsg+0x210/0x210 [ 2962.131415] ? security_socket_sendmsg+0x83/0xb0 [ 2962.136147] ? nlmsg_notify+0x1b0/0x1b0 [ 2962.140096] sock_sendmsg+0xb5/0x100 [ 2962.143910] ___sys_sendmsg+0x6c8/0x800 [ 2962.147893] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2962.152643] ? __fget+0x23e/0x3e0 [ 2962.156091] ? lock_acquire+0x170/0x3f0 [ 2962.160045] ? lock_downgrade+0x740/0x740 [ 2962.164174] ? __fget+0x265/0x3e0 [ 2962.167604] ? __fdget+0x19b/0x1f0 [ 2962.171119] ? sockfd_lookup_light+0xb2/0x160 [ 2962.175591] __sys_sendmsg+0xa3/0x120 [ 2962.179368] ? SyS_shutdown+0x160/0x160 [ 2962.183321] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 2962.188315] ? _raw_spin_unlock_irq+0x5a/0x80 [ 2962.192788] SyS_sendmsg+0x27/0x40 [ 2962.196306] ? __sys_sendmsg+0x120/0x120 [ 2962.200344] do_syscall_64+0x1d5/0x640 [ 2962.204212] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2962.209379] RIP: 0033:0x7f0e25d5c5a9 [ 2962.213065] RSP: 002b:00007f0e246ae168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2962.220749] RAX: ffffffffffffffda RBX: 00007f0e25e7d050 RCX: 00007f0e25d5c5a9 [ 2962.227999] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 2962.235244] RBP: 00007f0e25db7580 R08: 0000000000000000 R09: 0000000000000000 [ 2962.242491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2962.249748] R13: 00007ffff00e5b2f R14: 00007f0e246ae300 R15: 0000000000022000 [ 2962.257014] [ 2962.258624] Allocated by task 1: [ 2962.261971] kasan_kmalloc+0xeb/0x160 [ 2962.265749] kmem_cache_alloc_trace+0x131/0x3d0 [ 2962.270409] nbd_dev_add+0x7c/0x800 [ 2962.274042] nbd_init+0x15b/0x17a [ 2962.277480] do_one_initcall+0x88/0x210 [ 2962.281430] kernel_init_freeable+0x565/0x626 [ 2962.285900] kernel_init+0xd/0x161 [ 2962.289415] ret_from_fork+0x24/0x30 [ 2962.293102] [ 2962.294706] Freed by task 17298: [ 2962.298047] kasan_slab_free+0xc3/0x1a0 [ 2962.301997] kfree+0xc9/0x250 [ 2962.305076] nbd_put.part.0+0x100/0x140 [ 2962.309024] nbd_config_put+0x51c/0x6c0 [ 2962.313147] nbd_genl_connect+0xcb9/0x13e0 [ 2962.317359] genl_family_rcv_msg+0x572/0xb20 [ 2962.321746] genl_rcv_msg+0xaf/0x140 [ 2962.325432] netlink_rcv_skb+0x125/0x390 [ 2962.329468] genl_rcv+0x24/0x40 [ 2962.332721] netlink_unicast+0x437/0x610 [ 2962.336756] netlink_sendmsg+0x648/0xbc0 [ 2962.340794] sock_sendmsg+0xb5/0x100 [ 2962.344479] ___sys_sendmsg+0x6c8/0x800 [ 2962.348438] __sys_sendmsg+0xa3/0x120 [ 2962.352215] SyS_sendmsg+0x27/0x40 [ 2962.355733] do_syscall_64+0x1d5/0x640 [ 2962.359595] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2962.364754] [ 2962.366360] The buggy address belongs to the object at ffff8882387a2a00 [ 2962.366360] which belongs to the cache kmalloc-512 of size 512 [ 2962.379011] The buggy address is located 216 bytes inside of [ 2962.379011] 512-byte region [ffff8882387a2a00, ffff8882387a2c00) [ 2962.390861] The buggy address belongs to the page: [ 2962.395764] page:ffffea0008e1e880 count:1 mapcount:0 mapping:ffff8882387a2000 index:0x0 [ 2962.403880] flags: 0x57ff00000000100(slab) [ 2962.408089] raw: 057ff00000000100 ffff8882387a2000 0000000000000000 0000000100000006 [ 2962.415945] raw: ffffea0008e1d6e0 ffffea0008e004a0 ffff88813fe74940 0000000000000000 [ 2962.423805] page dumped because: kasan: bad access detected [ 2962.429500] [ 2962.431104] Memory state around the buggy address: [ 2962.436009] ffff8882387a2980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2962.443369] ffff8882387a2a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2962.450703] >ffff8882387a2a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2962.458051] ^ [ 2962.464255] ffff8882387a2b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2962.471587] ffff8882387a2b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2962.478921] ================================================================== [ 2962.486253] Disabling lock debugging due to kernel taint [ 2962.495104] Kernel panic - not syncing: panic_on_warn set ... [ 2962.495104] [ 2962.502471] CPU: 1 PID: 17298 Comm: syz-executor.3 Tainted: G B 4.14.295-syzkaller #0 [ 2962.511554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 2962.520900] Call Trace: [ 2962.523480] dump_stack+0x1b2/0x281 [ 2962.527104] panic+0x1f9/0x42d [ 2962.530285] ? add_taint.cold+0x16/0x16 [ 2962.534236] ? ___preempt_schedule+0x16/0x18 [ 2962.538626] kasan_end_report+0x43/0x49 [ 2962.542580] kasan_report_error.cold+0xa7/0x191 [ 2962.547227] ? refcount_dec_not_one+0x9a/0xc0 [ 2962.551701] __asan_report_load4_noabort+0x68/0x70 [ 2962.556609] ? refcount_dec_not_one+0x9a/0xc0 [ 2962.561085] refcount_dec_not_one+0x9a/0xc0 [ 2962.565381] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2962.570287] nbd_genl_connect+0xce1/0x13e0 [ 2962.574498] ? nbd_xmit_timeout+0x500/0x500 [ 2962.578803] ? __mutex_lock+0x356/0x1310 [ 2962.582838] ? validate_nla+0x192/0x5e0 [ 2962.586788] genl_family_rcv_msg+0x572/0xb20 [ 2962.591176] ? genl_rcv+0x40/0x40 [ 2962.594603] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 2962.600030] ? trace_hardirqs_on+0x10/0x10 [ 2962.604240] genl_rcv_msg+0xaf/0x140 [ 2962.607927] netlink_rcv_skb+0x125/0x390 [ 2962.611967] ? genl_family_rcv_msg+0xb20/0xb20 [ 2962.616523] ? netlink_ack+0x9a0/0x9a0 [ 2962.620385] ? lock_acquire+0x170/0x3f0 [ 2962.624334] genl_rcv+0x24/0x40 [ 2962.627776] netlink_unicast+0x437/0x610 [ 2962.631815] ? netlink_sendskb+0xd0/0xd0 [ 2962.635852] ? __check_object_size+0x179/0x230 [ 2962.640410] netlink_sendmsg+0x648/0xbc0 [ 2962.644447] ? nlmsg_notify+0x1b0/0x1b0 [ 2962.648394] ? kernel_recvmsg+0x210/0x210 [ 2962.652517] ? security_socket_sendmsg+0x83/0xb0 [ 2962.657252] ? nlmsg_notify+0x1b0/0x1b0 [ 2962.661204] sock_sendmsg+0xb5/0x100 [ 2962.664892] ___sys_sendmsg+0x6c8/0x800 [ 2962.668841] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2962.673574] ? __fget+0x23e/0x3e0 [ 2962.677005] ? lock_acquire+0x170/0x3f0 [ 2962.680953] ? lock_downgrade+0x740/0x740 [ 2962.685076] ? __fget+0x265/0x3e0 [ 2962.688505] ? __fdget+0x19b/0x1f0 [ 2962.692017] ? sockfd_lookup_light+0xb2/0x160 [ 2962.696488] __sys_sendmsg+0xa3/0x120 [ 2962.700263] ? SyS_shutdown+0x160/0x160 [ 2962.704214] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 2962.709206] ? _raw_spin_unlock_irq+0x5a/0x80 [ 2962.713674] SyS_sendmsg+0x27/0x40 [ 2962.717193] ? __sys_sendmsg+0x120/0x120 [ 2962.721232] do_syscall_64+0x1d5/0x640 [ 2962.725094] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2962.730258] RIP: 0033:0x7f0e25d5c5a9 [ 2962.733941] RSP: 002b:00007f0e246ae168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2962.741621] RAX: ffffffffffffffda RBX: 00007f0e25e7d050 RCX: 00007f0e25d5c5a9 [ 2962.748865] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 2962.756107] RBP: 00007f0e25db7580 R08: 0000000000000000 R09: 0000000000000000 [ 2962.763351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2962.770598] R13: 00007ffff00e5b2f R14: 00007f0e246ae300 R15: 0000000000022000 [ 2962.778012] Kernel Offset: disabled [ 2962.781617] Rebooting in 86400 seconds..