x7f0000000240)) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x111003) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x7) r2 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xc100) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r3, 0x0, 0x0) 00:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, &(0x7f0000000000)={0x10, 0x1, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:27 executing program 4: r0 = syz_clone(0x80000200, &(0x7f0000000100)="b178c1cd167310b0f989a642db6b04bb8ff79d76f559cba0718187f205ef9c051c706f31c434557646a1749063caf46cba400320d2d90536949a35e71fc0dc583d626474439156c219d8ed7b290eba08473c3aa713f91bd6b7e5fe663e487e8c00fa43ae95c54a1bd10f783e3e52292cf6995bb5e8b1150e2521442fae0a955c098316e66cc2486aa36fbc210d45759daf32ad93188c", 0x96, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000580)="2a747d48440a25192e3347ceb4b0d2fd6b62dcee67d7c116c54ea53be6b4d911ac81347d2409b332957e9fa006aaac688bd845a535276aead300b855189a3073af3f1d129d2e7bc5400657762705d31f73cb48f61fb36a27eca083127bc7db862e9f0068f14e5f2b2a4711d2d9ea85fec5bd3883bc50761504cc4b56cf69bf30db7ba16aa5581c4010f92ae58f7ba33264824b9801fb1e80849b21cecfc8a7673b618a99c3cc3aca437a79b6a2858091bd5bb4e7d8b87399700221035a146ea493fa3169b956d6cc7fa06d7895852f64c6eaa443f56dbdcda477ba2c18bf305e65f4ab0b13ae17ac2fbebd3a8b02db7a70d3f3220a246acb36fdce62ca4796dfbdda9a77c191a626d552ebd7ed22b09ea1e2e55e45a5582fd30e7558cabc9ceb67e34f963649b92d4dca633ce4a4b6bb586710c720329d289e6e54f03b1920bcffe44b2724fff012d7285cdf787c89b22a27e780538bc282303095446017811b0a010045b37b121e193e9fbbb3a7accb9ce5bddefe0fb9e35fbf42227e3ba51a80837d73628f34484ac7baa2233ce985520327734ee9717cdea5b670cbfdbfe17cd7549ab22380c5e64ae738ebaa12783a4fc02eee77123cf7052679f5f89cac628947c0e7264e251132d037776ac4672d393d0cd5bd1166c41c1662d26025a1e64ddca9329273d93d14a97f606d357600d9850fd6081ad2ec32df901490387015a5ba12e2e77da82d9a7111f32109afb7aa56c4857c9aee620ffafed008f86883a04923a7c332582917bc0b1e14d76dfadf228ee86076afc7a9804beef9b2dbdd9d96bed2b68fa6acb555c1b28384c32cbc05586c999ca04585bb756ccf30b427a7702b8b79a4f0b678fe4af43215ec7ee7ef681d7491d76dbf79856f8db9594cd063e1e7b2414f61fe5f48cc2aa431f2c629b29bcc7a0848021dd33d54b098c46f16c5a1c9aeb182361cde769e1d32acc5cd734d1d4a6c666a5c6200c73141183bb8b17d4da33c8309d8ff637af661699a0c03105e3c53f15d88a0a0369aa0e3cfa4e265f1fe2260ee01a6dd76938a2332e6dda55113f7755fe2794807d571d88a7248db10d25e4d66e982159521f6cbc98d93ca5680edab4e9ecb2662c59caae814101a5c48198ed0888f83006dbf5227e33f916491d7d0e443d5ca4e723c61a6eb353c000da56e84e40c4dc97422afd0bfa1e33d81c6a37a171f084862419ec733c7ea12bf72f2305ca8971c6ed2970c06b5d1e4a878fe2bd0c806911d7cd0ce7d26b2d6a1dfa2d0fb5d29264911c15c98831484dbe0bdb6ee9a61ede7a3153ded4db28bdf5230a5e29650c706dac0abf06950644bdfe2187a7cf5f7b92833ad0b81ef603c64aa0525100aad92cd26d519b6c0363003fcc62c563b099577e5e60e6e9345a6861bac00abdc8abceca40b42f2ccd66edcc7165fcca49d57106178cc99002517fa415c98ce235a8010c199b960c0ed4dca6473e0df7ab141847f128a75ba197b911f7b861536ebcaf3d6e7f4eacd2cc30c35a5325af0a8a1540c2ed016d2043ecfeb7963a44300c57316e7b5c13e57d3fad84d15f99c863989c869e3a28860e5ae61158b0b4012f819ecf58bb94384012282ed2e2db19084f172e030ad79043cd290bb36eedddefe185cf25c668628866988231cea57dc0226af581b6a39a42b87951277a01ee6b1145f1b9559e64f2b24d7eb1b4e66807c2e8230d77be2f5540257e1626fae0be4380f221628f58037a923248b959ec306de9d8ab70069028592015c0ef881df3b883d0e99a93b0d4def89387f3dff8d23805bbad0e4bb7b88f013e3f4d56ac1cf04d52fec1ab64b927d649ebf9895549b994b794b36ae642ad1d43c73445a7113ab1f8c159ad3f66c6defa81c274bd08cadc27aca5adbcc4e23fb364b10d18433c586f30c7568e5fbb32ecdf2abab18729efe883091d111b52060c1d02a8ebe7d055256fdaef8084e90fdffe1b26d06afa2010005a6158c9d8ff20b7db22d1f4fd6195620c1120adb0cb7d491013d501b60be4828996694cef4ee6d2f6ab3ccfeb1f76ef9fea7bb6acf01ad3280e880274fdb93e37f6ca6c11e543394b36ad453133a89e5a95f8b6d532d28a96900cc87b4068c48c8ff975fd97a1f82b4bbe7d5c73b360dcc8444e24348f0f770e6688350c62a5c4b341a607d946bcecf050668e32c4b232148075a6a088d5feacc24e902b2e0b0db7af2b03d838aaec9452721c26f64300c6ddf6726970092af4defe8f8912dfaa8e0797c8719ef54f9b107bd30b8056d973049a9163a5a03f0ad2895953e528c0d9b7fe03d0fc69c16062c283437b7e9f07f1edb199440a14bdcd042fc17dccbb7c8749a6e0c8314179d37fa858af6ead3d2d999d33525666e5bcf735c05ea6df2c650d9c6861b78d40203c33148740966f1398ea7420366cbf1ed55c71bdb11815f8d69cbe48db87392e0991344674c26046dc8440c83604544efc5c6f46a365fad9c5dfd0f64178747ffe4e4a763f3cff18500e8fd960ad990bd0d841f56a04770afcb7756c0901556977de36c5c84439a5f3f3769b0b935508134eb1404c706169d09b24b6afd0ef5b05df825c809a65bb19bd4610e1f4d8d4b06bf4c26659a0ef3716982a6f9138f887826072ad636b62e6806c0992c5486d48819eb89ea2812b83abcf92e306db17d2d6ac42a6c42582dfd45dbcf5e316aa1c574ad82ee9855a9efb0550884fbbcf07b62882c779fae34e1891728aa60e829e5bc005550c69f21fc950a813637f28e95f94f1160d5d8c203079379c624ec75a1c1ba7805db77a65aee69122ef58a6ef2a81e18890a89ad1d66cbc63f267941839b144a0d62b3a1fdbb4f89358e6494c6df1d142c486989a915d1a06654d76360a32dcffd5963c07aef552c00bea58f6e05f318554802db7ecc25884079957ee658764fdcf1e95c7e936afd632309a4946f74faad279184f037daf5d3feda7d6464856e91093dba8b16f4e3c2db34631341f55af2e9def037ba597916df7c12d93e5064760a5016acfd718f69325beeb8b5650fab33306c23424a5819fc929a80df4b7505e634086a80cf8a99a4598c6334d9de8e5b77bdd086b0e8b7d2eba5e80d8f83d558182bbcfa786b215c68a65a9ec26dec8110493736f00d71e4608823d34bdc1efb55b90013ce308fcd5015a9d879a46985f953c0ee2f0a5d0ac5cc6a0a85e9d0517e241c2aeae0dedc5e73c70d92ff1de03b4d7533e0b5f7905ed7f1cbc98a06f298434f30304a7468579b95a8183636ee93f167bcf2bbf7f1abfb5789e0059ab4d56ca66359ddfbd35a2f922bc0c376e05fb2a08a17cb43a712cf6a88d9aa595bc3ef81009cf17c1bfdbf620bc7783d828f3ea388acfebd539842e8339896a26399aa688d7aea8f6d77f9f6469ad5a7106a8f4e16ad2ac4bab38fd9ccb92c15c1d03a1f6ead47670facef93a5a8551b6198d0ddcb8eefd726f05f4cb05b3e789d4fe826532caafc465b63cbf03865b98c8781317d94a5c0a831f0bf4528ad96fe3a4a053065207b23618df2e8feb81e772952fedce22d61fa6e168a575b673cbe2fe90316f6b4061afa412ff236fd887e865fad33539540c7064430c863e3c6bd0238e27fb516ecea1ff4d141dd295fdfb59c4be3a9f76e60def85d4f201d12ae95eee0d0cf20b1815f9ea375a2690f2462f3d3712a99047515ddcba776cd252a825d6def134c5aa83bd9ae879d06f3c3e46d0453a00246547e5e638fdbc4d2a142092df8b4adbc62e30747db4beddea43e18778d16bb6325ec5e526c9676c6906ce823b813114ecd5e48ff4dc66754a745c171f9638145418d11531913395e581c24e7d1af51ca0c8a03a1420a4e28578e86a280cd4389785935a11c54ae700aa3337ea20cfdd71b96e9a52554d3e0c76b5d8d4f897f1c0ebde16d3e5d049f538093d2ce667bd1bb86d24b6335eac3b47bff70b4ffae87f1c0e34ebe760c55a1a9435a259e74f1a96d60e2f3364f65d7063a6fd38c26fb4d7242c81d1dfc24b498b5af191338c4bf7687d1d6f489a30b0255dc10da2d2b764ecaa8285f72bb8d487e1dbd51087563e9ddeb5ea693ae6177f7904ea50bddb8802ca47712a4f98b06349d359d146b9def13077bc611b36693aac520b4ac9f685e3b9127e1e5a2b411e47cd06b128fbd547e8a12300c5625430c733a8457b8619cc9d1d8f81fc31896c7c10debe09d4301ef1d1b9151bced97bfad93cf6ca5634e72373ad8acb1c201f6141d6a5cb10172507c3cf1fcbfda99f1492ccdd1b78bab70b55f516994b1018acb3b97f08ec9fd51871594786538245d5f61be3ea2c21ad382a6a1ad87129ca2539d5efbf5e2548bd486232f99dc22dac0efcb5f1d22992da50aa0cd4e9f220b6ad4f308495cda652ac6d53b734d0796919246743332d500de2c3e3148d2f5056cd3c5e04726b77dbddf26e8f142edf5b1715392cf7ca719a54e416d50b0995a76456492f6fcad516d82a17283ae285217462c0b7549964d632799d8c04854747a9540652eff0601b03391f00905a7e556a6697088a49b202500e05537d883b0fc8787dffff43a4b516edfebe3a7859b1a621031341ba1647ff9e064f2fff7c4b862418bcf886a954e8228b751efdb78842ad8cd829d5fc5bd12b2b88d2cc3bdaa5d3d1b9e16d3aabe7cc6a610da7372842fbcdc321cdb516a9b4ef3d1815c0b2e0eb2884a2dc6bc158df4ca0516993f2221e1e8744e18f6a8283593393c10a17dcdeca27bb40b3f52f9dd8094bafcaf5bf4541016073e47a488ca758ff3e1da65f80e182fba052064141701e5c4d265b96b814cd2070a063b33ec7b899a85481b50e6443b3ddc8a0cdc9ea64457ea082e036c60df693e756e8b7ec5271b64d86b2a7ff0caecd0672458b13ce4c29e318455c26cdc7cc9af2a10a64d7e5283c5a3a8afdfd37181877ecc938eb6afd013fea19264977f21dfc26312d977e9db23d0b8767bce242fa8df450a93ca86a9bde46c0ee1f32dc3fcbd2f68ca6b63d45749f03d678bd61ce9d8ed1f09ded03836f82eb5f67d3be0a583b69c8abea7a135806f0f5920330cf96dfcec0ae168410a9ffd7b58ec999ffdf6ee39a68c060dad5c8c7d92e9e69f94339a25f46ed32d5acd4b9ea42e2624c19fa46372329545c8ebf2e5e3da1459c55c39012fadb351413b2336b1da4a8d88c706c29f14826625021867762f2793de8d5f638558ab754637e6b00366d56a8295ada9ed45666355dd220bb5bcb9cf693c44c7f2132eb2f56bb29fb323a0ecaf94628afa0ed9c70b0449360a9394fa878f50f8978f6b473536f63b7f5c7b8b27d6c039e43f4f0a46596333896045d08f6163d595879f3bf369fcc4ecc4657193d0781ecadc1ffa245225d23ce0fa2e742f4f2072cf13482afeb360c50c26f742e9b84256e2618035bd7f0db5eab786311363a27f314442bc9790a14375c1988bf24d60df09d82df96ce0894ae0572eee801ea58b95677e91d8355aff3048ac5ca6e552b2203291d8b80a673dbb01d1e33e664a744ca508c9f7a8cf17ffb565c361ab2cd3b10abf7f50eeac81dea007a215bcd0c7b5adc28946e300dbc5471e3b07c2f39dc2694df31324892bb77215bd7c732e3ea74216be4a313221bdfa0174f206b956e5f50818ed79cacf6d28c151c3ac6470bee03f8176859508129d9a36bb7bcc813214b463861c3a76bc3905980474667e3b2a583849c5c312f39fba3f1adf29fcb1eb78a71de9ed8fd895cc95ec82b5028d7a507f791592afb9aaa95985d6") sched_rr_get_interval(r0, &(0x7f0000000240)) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x111003) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x7) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r2, 0x0, 0x0) 00:23:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_CLEAR_SOCK(r0, 0x125d) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1) 00:23:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, &(0x7f0000000000)={0x10, 0x1, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:27 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_START_REQ(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_COORD_PAN_ID={0x6}]}, 0x1c}}, 0x0) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r6, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f00000005c0)={'wpan1\x00'}) r7 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000400), r2) sendmsg$NLBL_CALIPSO_C_ADD(r2, &(0x7f0000000580)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x1c, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20048010) 00:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) [ 1407.927953][T10349] block nbd0: NBD_DISCONNECT 00:23:27 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, &(0x7f0000000000)={0x10, 0x1, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:27 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r0, &(0x7f0000000380)=""/191, 0xbf) read$alg(r0, &(0x7f00000001c0)=""/5, 0x5) connect$bt_sco(r0, &(0x7f0000000200)={0x1f, @none}, 0x8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20000) r2 = openat$drirender128(0xffffffffffffff9c, &(0x7f0000000040), 0x40801, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r2, 0xc04064a0, &(0x7f0000000280)={&(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000240)=[0x0, 0x0], &(0x7f0000000180)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x4, 0x3, 0x5, 0x2}) ioctl$DRM_IOCTL_MODE_GETENCODER(0xffffffffffffffff, 0xc01464a6, &(0x7f0000000100)={0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000140)={&(0x7f0000000080)=[0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0], 0x2, r3}) ioctl$NBD_CLEAR_SOCK(r1, 0x125f) [ 1408.403314][T15082] block nbd1: Disconnected due to user request. 00:23:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, 0x0, 0x0) 00:23:28 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_START_REQ(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_COORD_PAN_ID={0x6}]}, 0x1c}}, 0x0) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r6, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f00000005c0)={'wpan1\x00'}) r7 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000400), r2) sendmsg$NLBL_CALIPSO_C_ADD(r2, &(0x7f0000000580)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x1c, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20048010) 00:23:28 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, &(0x7f0000000000)={0x10, 0x1, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:28 executing program 4: r0 = syz_clone(0x80000200, &(0x7f0000000100)="b178c1cd167310b0f989a642db6b04bb8ff79d76f559cba0718187f205ef9c051c706f31c434557646a1749063caf46cba400320d2d90536949a35e71fc0dc583d626474439156c219d8ed7b290eba08473c3aa713f91bd6b7e5fe663e487e8c00fa43ae95c54a1bd10f783e3e52292cf6995bb5e8b1150e2521442fae0a955c098316e66cc2486aa36fbc210d45759daf32ad93188c", 0x96, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000580)="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") sched_rr_get_interval(r0, &(0x7f0000000240)) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x111003) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r1, 0x0, 0x0) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x1260) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x5) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@cgroup=r1, 0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={0xffffffffffffffff}, 0x111, 0x9}}, 0x20) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r1, &(0x7f0000000180)={0xb, 0x10, 0xfa00, {&(0x7f0000000040), r2, 0x1000}}, 0x18) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r2, &(0x7f0000000380)=""/191, 0xbf) read$alg(r2, &(0x7f00000001c0)=""/5, 0x88) r3 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xc, 0x17, &(0x7f00000000c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x1f}, {}, {}, [@map_fd, @tail_call, @alu={0x7, 0x1, 0x7, 0x3, 0x2, 0x100, 0x8}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000180)='syzkaller\x00', 0x1, 0x6f, &(0x7f00000001c0)=""/111, 0x41100, 0x10, '\x00', 0x0, 0x3, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000280)={0x3, 0x3, 0x7fffffff, 0xff}, 0x10, 0x0, 0xffffffffffffffff, 0x9, &(0x7f00000002c0)=[0x1, 0x1], &(0x7f0000000300)=[{0x0, 0x3, 0x8, 0x6}, {0x1, 0x3, 0x8, 0x6}, {0x4, 0x5, 0x6, 0xb}, {0x0, 0x3, 0xd, 0x9}, {0x1, 0x4, 0x3, 0x2}, {0x2, 0x3, 0x7, 0x9}, {0x2, 0x3, 0x1, 0x2}, {0x1, 0x4, 0xf, 0xc}, {0x0, 0x5, 0x3, 0x3}], 0x10, 0x6}, 0x90) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000004c0)={{r2}, &(0x7f0000000080), &(0x7f0000000480)=r3}, 0x20) ioctl$NBD_SET_SIZE(r1, 0xab02, 0xf80e) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, 0x0, 0x0) 00:23:28 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, &(0x7f0000000000)={0x10, 0x1, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r2, &(0x7f0000000380)=""/191, 0xbf) read$alg(r2, &(0x7f00000001c0)=""/5, 0x88) r3 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xc, 0x17, &(0x7f00000000c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x1f}, {}, {}, [@map_fd, @tail_call, @alu={0x7, 0x1, 0x7, 0x3, 0x2, 0x100, 0x8}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000180)='syzkaller\x00', 0x1, 0x6f, &(0x7f00000001c0)=""/111, 0x41100, 0x10, '\x00', 0x0, 0x3, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000280)={0x3, 0x3, 0x7fffffff, 0xff}, 0x10, 0x0, 0xffffffffffffffff, 0x9, &(0x7f00000002c0)=[0x1, 0x1], &(0x7f0000000300)=[{0x0, 0x3, 0x8, 0x6}, {0x1, 0x3, 0x8, 0x6}, {0x4, 0x5, 0x6, 0xb}, {0x0, 0x3, 0xd, 0x9}, {0x1, 0x4, 0x3, 0x2}, {0x2, 0x3, 0x7, 0x9}, {0x2, 0x3, 0x1, 0x2}, {0x1, 0x4, 0xf, 0xc}, {0x0, 0x5, 0x3, 0x3}], 0x10, 0x6}, 0x90) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000004c0)={{r2}, &(0x7f0000000080), &(0x7f0000000480)=r3}, 0x20) ioctl$NBD_SET_SIZE(r1, 0xab02, 0xf80e) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) [ 1408.501529][T10378] block nbd1: NBD_DISCONNECT 00:23:28 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_START_REQ(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_COORD_PAN_ID={0x6}]}, 0x1c}}, 0x0) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r6, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f00000005c0)={'wpan1\x00'}) r7 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000400), r2) sendmsg$NLBL_CALIPSO_C_ADD(r2, &(0x7f0000000580)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x1c, r7, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20048010) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, 0x0, 0x0) 00:23:28 executing program 4: r0 = syz_clone(0x80000200, &(0x7f0000000100)="b178c1cd167310b0f989a642db6b04bb8ff79d76f559cba0718187f205ef9c051c706f31c434557646a1749063caf46cba400320d2d90536949a35e71fc0dc583d626474439156c219d8ed7b290eba08473c3aa713f91bd6b7e5fe663e487e8c00fa43ae95c54a1bd10f783e3e52292cf6995bb5e8b1150e2521442fae0a955c098316e66cc2486aa36fbc210d45759daf32ad93188c", 0x96, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000580)="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") sched_rr_get_interval(r0, &(0x7f0000000240)) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r1, 0x0, 0x0) 00:23:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r2, &(0x7f0000000380)=""/191, 0xbf) read$alg(r2, &(0x7f00000001c0)=""/5, 0x88) r3 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xc, 0x17, &(0x7f00000000c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x1f}, {}, {}, [@map_fd, @tail_call, @alu={0x7, 0x1, 0x7, 0x3, 0x2, 0x100, 0x8}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000180)='syzkaller\x00', 0x1, 0x6f, &(0x7f00000001c0)=""/111, 0x41100, 0x10, '\x00', 0x0, 0x3, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000280)={0x3, 0x3, 0x7fffffff, 0xff}, 0x10, 0x0, 0xffffffffffffffff, 0x9, &(0x7f00000002c0)=[0x1, 0x1], &(0x7f0000000300)=[{0x0, 0x3, 0x8, 0x6}, {0x1, 0x3, 0x8, 0x6}, {0x4, 0x5, 0x6, 0xb}, {0x0, 0x3, 0xd, 0x9}, {0x1, 0x4, 0x3, 0x2}, {0x2, 0x3, 0x7, 0x9}, {0x2, 0x3, 0x1, 0x2}, {0x1, 0x4, 0xf, 0xc}, {0x0, 0x5, 0x3, 0x3}], 0x10, 0x6}, 0x90) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000004c0)={{r2}, &(0x7f0000000080), &(0x7f0000000480)=r3}, 0x20) ioctl$NBD_SET_SIZE(r1, 0xab02, 0xf80e) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:28 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_START_REQ(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_COORD_PAN_ID={0x6}]}, 0x1c}}, 0x0) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r6, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:28 executing program 4: syz_clone(0x80000200, &(0x7f0000000100)="b178c1cd167310b0f989a642db6b04bb8ff79d76f559cba0718187f205ef9c051c706f31c434557646a1749063caf46cba400320d2d90536949a35e71fc0dc583d626474439156c219d8ed7b290eba08473c3aa713f91bd6b7e5fe663e487e8c00fa43ae95c54a1bd10f783e3e52292cf6995bb5e8b1150e2521442fae0a955c098316e66cc2486aa36fbc210d45759daf32ad93188c", 0x96, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000580)="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") r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r0, 0x0, 0x0) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r1, &(0x7f0000000380)=""/191, 0xbf) read$alg(r1, &(0x7f00000001c0)=""/5, 0x88) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xc, 0x17, &(0x7f00000000c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x1f}, {}, {}, [@map_fd, @tail_call, @alu={0x7, 0x1, 0x7, 0x3, 0x2, 0x100, 0x8}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000180)='syzkaller\x00', 0x1, 0x6f, &(0x7f00000001c0)=""/111, 0x41100, 0x10, '\x00', 0x0, 0x3, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000280)={0x3, 0x3, 0x7fffffff, 0xff}, 0x10, 0x0, 0xffffffffffffffff, 0x9, &(0x7f00000002c0)=[0x1, 0x1], &(0x7f0000000300)=[{0x0, 0x3, 0x8, 0x6}, {0x1, 0x3, 0x8, 0x6}, {0x4, 0x5, 0x6, 0xb}, {0x0, 0x3, 0xd, 0x9}, {0x1, 0x4, 0x3, 0x2}, {0x2, 0x3, 0x7, 0x9}, {0x2, 0x3, 0x1, 0x2}, {0x1, 0x4, 0xf, 0xc}, {0x0, 0x5, 0x3, 0x3}], 0x10, 0x6}, 0x90) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000004c0)={{r1}, &(0x7f0000000080), &(0x7f0000000480)=r2}, 0x20) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:28 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0) 00:23:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:28 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(r0, 0x0, 0x0) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={0x0}}, 0x0) 00:23:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r1, &(0x7f0000000380)=""/191, 0xbf) read$alg(r1, &(0x7f00000001c0)=""/5, 0x88) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xc, 0x17, &(0x7f00000000c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x1f}, {}, {}, [@map_fd, @tail_call, @alu={0x7, 0x1, 0x7, 0x3, 0x2, 0x100, 0x8}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000180)='syzkaller\x00', 0x1, 0x6f, &(0x7f00000001c0)=""/111, 0x41100, 0x10, '\x00', 0x0, 0x3, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000280)={0x3, 0x3, 0x7fffffff, 0xff}, 0x10, 0x0, 0xffffffffffffffff, 0x9, &(0x7f00000002c0)=[0x1, 0x1], &(0x7f0000000300)=[{0x0, 0x3, 0x8, 0x6}, {0x1, 0x3, 0x8, 0x6}, {0x4, 0x5, 0x6, 0xb}, {0x0, 0x3, 0xd, 0x9}, {0x1, 0x4, 0x3, 0x2}, {0x2, 0x3, 0x7, 0x9}, {0x2, 0x3, 0x1, 0x2}, {0x1, 0x4, 0xf, 0xc}, {0x0, 0x5, 0x3, 0x3}], 0x10, 0x6}, 0x90) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:28 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x48203, 0x0) read$alg(r0, 0x0, 0x0) 00:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={0x0}}, 0x0) 00:23:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, &(0x7f0000000000)={0x10, 0x0, 0x83, 0x80, 0x0, 0x1000}, 0x10) 00:23:28 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:28 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x48203, 0x0) read$alg(r0, 0x0, 0x0) [ 1409.258958][T15082] block nbd1: Disconnected due to user request. 00:23:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r1, &(0x7f0000000380)=""/191, 0xbf) read$alg(r1, &(0x7f00000001c0)=""/5, 0x88) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={0x0}}, 0x0) 00:23:29 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x48203, 0x0) read$alg(r0, 0x0, 0x0) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, &(0x7f0000000000)={0x10, 0x0, 0x0, 0x80, 0x0, 0x1000}, 0x10) 00:23:29 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:29 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, 0x0, 0x0) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, &(0x7f0000000000)={0x10, 0x0, 0x0, 0x0, 0x0, 0x1000}, 0x10) 00:23:29 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, 0x0, 0x0) 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:29 executing program 4: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, 0x0, 0x0) 00:23:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r1, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:29 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, &(0x7f0000000000)={0x10}, 0x10) 00:23:29 executing program 4: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(0xffffffffffffffff, 0x0, 0x0) [ 1409.392432][T10453] block nbd1: NBD_DISCONNECT 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:29 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r4) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:29 executing program 4: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(0xffffffffffffffff, 0x0, 0x0) 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:29 executing program 4: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x48203, 0x0) read$alg(0xffffffffffffffff, 0x0, 0x0) 00:23:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:29 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:29 executing program 3: write$capi20(0xffffffffffffffff, 0x0, 0x0) [ 1410.146324][T15082] block nbd1: Disconnected due to user request. 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x1c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8}]}, 0x1c}}, 0x0) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 3: write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 3: write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x14, r1, 0x1}, 0x14}}, 0x0) 00:23:30 executing program 4: write$capi20(0xffffffffffffffff, 0x0, 0x0) [ 1410.220757][T10498] block nbd1: shutting down sockets 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) sendmsg$NFC_CMD_LLC_SET_PARAMS(r2, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r3, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1410.238204][T10498] block nbd1: NBD_DISCONNECT 00:23:30 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) [ 1410.239363][T10498] block nbd1: Send disconnect failed -32 00:23:30 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x14, r1, 0x1}, 0x14}}, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) syz_genetlink_get_family_id$nfc(&(0x7f00000003c0), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r3) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 4: write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000780), r0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x14, r1, 0x1}, 0x14}}, 0x0) 00:23:30 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:30 executing program 4: write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) [ 1410.356618][T10529] block nbd1: NBD_DISCONNECT 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000800), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r3) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, 0x0, 0x0) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000100), 0x20100, 0x0) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x402, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@base={0x1f, 0x9, 0x1000, 0xfffffff7, 0x214, r0, 0x1, '\x00', 0x0, r1, 0x4, 0x2, 0x4000002}, 0x48) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0x1262) ioctl$NBD_CLEAR_QUE(r2, 0xab05) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) [ 1410.428482][T10541] block nbd1: NBD_DISCONNECT 00:23:30 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x0, 0x4}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r3) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, &(0x7f0000001b40)=""/63, 0x3f) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000000)={0x0, @multicast1, @empty}, &(0x7f0000000040)=0xc) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125d) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x101481) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r3) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, &(0x7f0000001b40)=""/63, 0x3f) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000000)={0x0, @multicast1, @empty}, &(0x7f0000000040)=0xc) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125d) [ 1410.542500][T10558] block nbd1: NBD_DISCONNECT 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, &(0x7f0000001b40)=""/63, 0x3f) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000000)={0x0, @multicast1, @empty}, &(0x7f0000000040)=0xc) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125d) [ 1410.609400][T10577] block nbd1: NBD_DISCONNECT 00:23:30 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$capi20(r0, 0x0, 0x0) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, &(0x7f0000001b40)=""/63, 0x3f) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000000)={0x0, @multicast1, @empty}, &(0x7f0000000040)=0xc) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:30 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) [ 1410.684421][T10588] block nbd1: NBD_DISCONNECT 00:23:30 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) read$alg(r0, &(0x7f0000001b40)=""/63, 0x3f) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:30 executing program 3: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) 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$ieee802154(&(0x7f0000000200), r3) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1410.758512][T10601] block nbd1: NBD_DISCONNECT 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x101000) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) 00:23:30 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) 00:23:30 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:30 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101481) write$capi20(0xffffffffffffffff, 0x0, 0x0) [ 1410.842702][T10616] block nbd1: NBD_DISCONNECT 00:23:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) r1 = bpf$PROG_LOAD_XDP(0x5, &(0x7f00000002c0)={0x6, 0x2, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x7, 0x3, 0x0, 0x4}], &(0x7f0000000080)='syzkaller\x00', 0x6, 0xd2, &(0x7f00000000c0)=""/210, 0x41100, 0x4a, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000001c0)={0x200, 0x1}, 0x8, 0x10, &(0x7f0000000200)={0x3, 0x0, 0x10000, 0xffffffe0}, 0x10, 0x0, 0x0, 0x4, &(0x7f0000000240)=[0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff], &(0x7f0000000280)=[{0x3, 0x1, 0xd, 0xb}, {0x2, 0x3, 0x1, 0x5}, {0x2, 0x4, 0xa, 0x2}, {0x0, 0x3, 0x0, 0xa}], 0x10, 0x95}, 0x90) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000380)={0x0, 0x0}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f00000004c0)={@ifindex=0x0, 0x9, 0x1, 0x9, &(0x7f00000003c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x0, &(0x7f0000000400)=[0x0, 0x0, 0x0], &(0x7f0000000440)=[0x0, 0x0, 0x0], &(0x7f0000000480)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0}, 0x40) r5 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x400840, 0x0) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000580)={0x2, 0x4, 0x8, 0x1, 0x80, 0x1, 0xffff, '\x00', r3, r5, 0x2, 0x3, 0x5}, 0x48) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000500)={@cgroup, r1, 0x36, 0x8, 0x0, @link_id=r2, r4}, 0x20) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfffffffffffffffc) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340)=0x0, &(0x7f00000003c0)=0x4) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x31, 0x0}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0], 0x0}, 0x40) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000005c0)={r3, r4, 0x25, 0x2, @val=@netkit={@link_id=r5, r6}}, 0x40) read$alg(r3, &(0x7f0000001b40)=""/63, 0x3f) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000600)=ANY=[@ANYRES32=r3, @ANYRES32, @ANYBLOB="0800000000000001181f7485204a23d975a66a5eb33f7bea"], 0x10) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x620000) ioctl$NBD_CLEAR_SOCK(r7, 0x125e) ioctl$NBD_SET_TIMEOUT(r7, 0xab09, 0x8) r8 = syz_open_dev$ndb(&(0x7f0000000300), 0x0, 0x62a85730202faa5) ioctl$NBD_SET_TIMEOUT(r8, 0xab09, 0x2) 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(r1, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 5: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:30 executing program 3: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0x301) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) [ 1410.920421][T10629] block nbd1: NBD_DISCONNECT 00:23:30 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) syz_open_dev$ndb(&(0x7f0000000000), 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$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(r1, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:30 executing program 5: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125e) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:30 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340)=0x0, &(0x7f00000003c0)=0x4) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x31, 0x0}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0], 0x0}, 0x40) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000005c0)={r3, r4, 0x25, 0x2, @val=@netkit={@link_id=r5, r6}}, 0x40) read$alg(r3, &(0x7f0000001b40)=""/63, 0x3f) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000600)=ANY=[@ANYRES32=r3, @ANYRES32, @ANYBLOB="0800000000000001181f7485204a23d975a66a5eb33f7bea"], 0x10) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x620000) ioctl$NBD_CLEAR_SOCK(r7, 0x125e) ioctl$NBD_SET_TIMEOUT(r7, 0xab09, 0x8) r8 = syz_open_dev$ndb(&(0x7f0000000300), 0x0, 0x62a85730202faa5) ioctl$NBD_SET_TIMEOUT(r8, 0xab09, 0x2) 00:23:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) [ 1411.008673][T10644] block nbd1: NBD_DISCONNECT 00:23:31 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000380)=ANY=[@ANYBLOB="d1fcffff", @ANYRES16=r0, @ANYBLOB="04002abd7000fbdbdf25050000000c00060002000f67c113d3efeb8b06000000000040000000"], 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x240008c8) 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$ieee802154(&(0x7f0000000200), r2) sendmsg$IEEE802154_ADD_IFACE(r1, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 3: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340)=0x0, &(0x7f00000003c0)=0x4) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x31, 0x0}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0], 0x0}, 0x40) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000005c0)={r3, r4, 0x25, 0x2, @val=@netkit={@link_id=r5, r6}}, 0x40) read$alg(r3, &(0x7f0000001b40)=""/63, 0x3f) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000600)=ANY=[@ANYRES32=r3, @ANYRES32, @ANYBLOB="0800000000000001181f7485204a23d975a66a5eb33f7bea"], 0x10) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x620000) ioctl$NBD_CLEAR_SOCK(r7, 0x125e) ioctl$NBD_SET_TIMEOUT(r7, 0xab09, 0x8) r8 = syz_open_dev$ndb(&(0x7f0000000300), 0x0, 0x62a85730202faa5) ioctl$NBD_SET_TIMEOUT(r8, 0xab09, 0x2) 00:23:31 executing program 5: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0x125f) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 2: syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan1\x00'}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:31 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340)=0x0, &(0x7f00000003c0)=0x4) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x31, 0x0}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0], 0x0}, 0x40) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000005c0)={r3, r4, 0x25, 0x2, @val=@netkit={@link_id=r5, r6}}, 0x40) read$alg(r3, &(0x7f0000001b40)=""/63, 0x3f) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000600)=ANY=[@ANYRES32=r3, @ANYRES32, @ANYBLOB="0800000000000001181f7485204a23d975a66a5eb33f7bea"], 0x10) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x620000) ioctl$NBD_CLEAR_SOCK(r7, 0x125e) ioctl$NBD_SET_TIMEOUT(r7, 0xab09, 0x8) r8 = syz_open_dev$ndb(&(0x7f0000000300), 0x0, 0x62a85730202faa5) ioctl$NBD_SET_TIMEOUT(r8, 0xab09, 0x2) 00:23:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:31 executing program 2: syz_genetlink_get_family_id$nl802154(&(0x7f00000000c0), 0xffffffffffffffff) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.150576][T10659] block nbd1: shutting down sockets [ 1411.152373][T10659] block nbd1: NBD_DISCONNECT [ 1411.153452][T10659] block nbd1: Send disconnect failed -32 00:23:31 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) 00:23:31 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0x125f) 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340), &(0x7f00000003c0)=0x4) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x31}, 0x8) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.241448][T10678] block nbd1: shutting down sockets 00:23:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) [ 1411.263440][T10686] nbd3: detected capacity change from 0 to 2050 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(0x0, r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) 00:23:31 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000340), &(0x7f00000003c0)=0x4) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(0x0, r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.316498][T10670] block nbd3: shutting down sockets [ 1411.320157][T10690] block nbd1: shutting down sockets 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) [ 1411.329875][ C0] blk_print_req_error: 117 callbacks suppressed [ 1411.329887][ C0] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.333345][ C0] buffer_io_error: 117 callbacks suppressed [ 1411.333353][ C0] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.336504][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.339146][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.342448][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.344607][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.346511][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.348691][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.350638][T10694] nbd0: detected capacity change from 0 to 2050 [ 1411.350774][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.354227][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.356490][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.358650][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.361551][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.363816][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) [ 1411.369149][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.372492][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.375470][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1411.378202][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.380319][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.383048][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1411.385277][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1411.387233][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.391409][ T5725] nbd3: unable to read partition table 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(0x0, r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.407527][T10670] ldm_validate_partition_table(): Disk read failed. 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) [ 1411.410786][T10706] block nbd0: shutting down sockets [ 1411.420173][T10670] Dev nbd3: unable to read RDB block 0 [ 1411.427001][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:31 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.429955][T10705] block nbd1: shutting down sockets [ 1411.430673][T10670] nbd3: unable to read partition table [ 1411.436133][ T4890] Dev nbd0: unable to read RDB block 0 [ 1411.439205][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1411.444850][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.448844][ T5725] nbd3: unable to read partition table [ 1411.450634][ T4890] nbd0: unable to read partition table 00:23:31 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1411.459981][T10694] ldm_validate_partition_table(): Disk read failed. 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.470199][T10694] Dev nbd0: unable to read RDB block 0 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.481430][T10694] nbd0: unable to read partition table 00:23:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1411.507450][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.517521][ T4890] Dev nbd0: unable to read RDB block 0 [ 1411.519280][ T4890] nbd0: unable to read partition table 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.531590][T10713] block nbd1: shutting down sockets 00:23:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1411.571270][T10721] nbd3: detected capacity change from 0 to 2050 00:23:31 executing program 5: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup, 0x2f, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:31 executing program 4: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r2 = syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000002c0)={r0, r1, 0x0, 0x0, @val=@uprobe_multi={&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=[0x8001, 0x4, 0x8000000000000001, 0x7fffffffffffffff, 0x3, 0x101], &(0x7f0000000180)=[0x5], 0x9, 0x6, 0x1, r2}}, 0x40) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:31 executing program 4: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) syz_clone(0x1200, &(0x7f00000001c0)="aecbfc4e89ce02d3dba74155d20fb7e1013f015bfd47e2eef9ce30305e34a2d675a28149607e2742a721596d", 0x2c, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="74bb1ffb3561809559056693d92b27b769d84f7e8d4372bd7f595f591900cce847ff4048910c55be0013305cc846b9f006d6") bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.628550][T10737] block nbd3: shutting down sockets [ 1411.630332][T10727] nbd0: detected capacity change from 0 to 2050 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r0) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.653278][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1411.656348][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.660036][T10735] block nbd1: shutting down sockets 00:23:31 executing program 4: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.663336][ T5725] nbd3: unable to read partition table 00:23:31 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1411.678084][T10721] ldm_validate_partition_table(): Disk read failed. [ 1411.681365][T10744] block nbd0: shutting down sockets [ 1411.688342][T10721] Dev nbd3: unable to read RDB block 0 [ 1411.695556][T10721] nbd3: unable to read partition table 00:23:31 executing program 4: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)=@generic={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x18) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.706470][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1411.713309][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1411.717534][ T4890] Dev nbd0: unable to read RDB block 0 [ 1411.718417][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.722619][ T4890] nbd0: unable to read partition table 00:23:31 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r0) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.728752][T10727] ldm_validate_partition_table(): Disk read failed. [ 1411.733549][T10727] Dev nbd0: unable to read RDB block 0 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.737962][T10727] nbd0: unable to read partition table [ 1411.744794][ T5725] nbd3: unable to read partition table 00:23:31 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.750426][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1411.751606][T10748] block nbd1: shutting down sockets 00:23:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1411.765515][ T4890] Dev nbd0: unable to read RDB block 0 00:23:31 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r0) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1411.792519][ T4890] nbd0: unable to read partition table 00:23:31 executing program 4: bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) 00:23:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.846801][T10765] block nbd1: NBD_DISCONNECT [ 1411.851200][T10759] nbd3: detected capacity change from 0 to 2050 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) 00:23:31 executing program 4: bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, 0x0, 0x0) [ 1411.897332][T10773] block nbd1: NBD_DISCONNECT [ 1411.906536][T10778] block nbd3: shutting down sockets 00:23:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:31 executing program 4: bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, 0x0, 0x0) [ 1411.930427][T10768] nbd0: detected capacity change from 0 to 2050 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=[0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.933541][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1411.940192][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.946227][ T5725] nbd3: unable to read partition table [ 1411.952428][T10759] ldm_validate_partition_table(): Disk read failed. [ 1411.956919][T10759] Dev nbd3: unable to read RDB block 0 [ 1411.962983][T10759] nbd3: unable to read partition table 00:23:31 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x0, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1411.970426][ T5725] ldm_validate_partition_table(): Disk read failed. 00:23:31 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0]}, 0x40) [ 1411.979897][ T5725] Dev nbd3: unable to read RDB block 0 [ 1411.981380][T10786] block nbd0: shutting down sockets 00:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, 0x0, 0x0) [ 1411.987313][ T5725] nbd3: unable to read partition table [ 1411.992698][T10788] block nbd1: NBD_DISCONNECT [ 1411.999945][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1412.010301][ T4890] Dev nbd0: unable to read RDB block 0 00:23:32 executing program 5: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@cgroup=r0, 0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1412.022753][ T4890] nbd0: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.028117][T10768] ldm_validate_partition_table(): Disk read failed. [ 1412.030450][T10768] Dev nbd0: unable to read RDB block 0 [ 1412.035600][T10768] nbd0: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.046544][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1412.067926][ T4890] Dev nbd0: unable to read RDB block 0 [ 1412.070623][ T4890] nbd0: unable to read partition table 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x0, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 00:23:32 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$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, 0x0, 0x0) [ 1412.104154][T10795] block nbd1: NBD_DISCONNECT 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x0, 0x0, 0x7, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1412.131289][T10802] nbd3: detected capacity change from 0 to 2050 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x0, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1412.164331][T10811] block nbd1: NBD_DISCONNECT 00:23:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.171376][T10806] nbd0: detected capacity change from 0 to 2050 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.197531][T10820] block nbd3: shutting down sockets [ 1412.211230][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.217013][T10821] block nbd1: NBD_DISCONNECT [ 1412.218352][ T5725] Dev nbd3: unable to read RDB block 0 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)=[0x0, 0x0], &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1412.222523][T10823] block nbd0: shutting down sockets [ 1412.223964][ T5725] nbd3: unable to read partition table [ 1412.224732][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1412.230053][T10802] ldm_validate_partition_table(): Disk read failed. [ 1412.232496][T10802] Dev nbd3: unable to read RDB block 0 [ 1412.235826][ T4890] Dev nbd0: unable to read RDB block 0 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.240291][T10816] nbd5: detected capacity change from 0 to 2050 [ 1412.240800][T10802] nbd3: unable to read partition table [ 1412.242760][ T4890] nbd0: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.247169][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.255127][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1412.262502][ T5725] Dev nbd3: unable to read RDB block 0 00:23:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1412.270180][ T5725] nbd3: unable to read partition table 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.274909][ T4890] Dev nbd0: unable to read RDB block 0 [ 1412.280486][ T4890] nbd0: unable to read partition table [ 1412.293464][T10831] block nbd5: shutting down sockets 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0x0, 0x0, 0x0], &(0x7f0000000500)=[0x0]}, 0x40) [ 1412.313448][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1412.315448][T10828] block nbd1: NBD_DISCONNECT 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.324116][ T6737] Dev nbd5: unable to read RDB block 0 [ 1412.335150][ T6737] nbd5: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.346862][T10816] ldm_validate_partition_table(): Disk read failed. [ 1412.355222][T10816] Dev nbd5: unable to read RDB block 0 [ 1412.360028][T10816] nbd5: unable to read partition table 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000500)=[0x0]}, 0x40) 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.370243][T10834] block nbd0: shutting down sockets [ 1412.373573][T10833] nbd3: detected capacity change from 0 to 2050 [ 1412.376130][ T6737] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1412.390325][T10840] block nbd1: NBD_DISCONNECT [ 1412.391120][ T6737] Dev nbd5: unable to read RDB block 0 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.405170][ T6737] nbd5: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.418523][T10845] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 4: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000580)={@ifindex, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1412.426317][T10848] block nbd3: shutting down sockets [ 1412.428264][T10845] Dev nbd5: unable to read RDB block 0 [ 1412.435005][T10845] nbd5: unable to read partition table [ 1412.436902][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.444529][ T4890] Dev nbd3: unable to read RDB block 0 [ 1412.449038][ T4890] nbd3: unable to read partition table [ 1412.459361][T10833] ldm_validate_partition_table(): Disk read failed. [ 1412.459506][T10845] ldm_validate_partition_table(): Disk read failed. [ 1412.463455][T10845] Dev nbd5: unable to read RDB block 0 [ 1412.465170][T10845] nbd5: unable to read partition table [ 1412.467536][T10833] Dev nbd3: unable to read RDB block 0 [ 1412.469239][T10853] block nbd1: NBD_DISCONNECT [ 1412.479183][T10833] nbd3: unable to read partition table [ 1412.484528][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.489879][T10850] block nbd0: shutting down sockets 00:23:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.496358][ T4890] Dev nbd3: unable to read RDB block 0 [ 1412.504886][ T4890] nbd3: unable to read partition table 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 00:23:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.545118][T10857] block nbd1: NBD_DISCONNECT [ 1412.547666][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.550501][ T5725] Dev nbd5: unable to read RDB block 0 [ 1412.553212][ T5725] nbd5: unable to read partition table [ 1412.560454][T10845] ldm_validate_partition_table(): Disk read failed. [ 1412.570680][T10845] Dev nbd5: unable to read RDB block 0 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.579428][T10845] nbd5: unable to read partition table [ 1412.583953][T10863] nbd3: detected capacity change from 0 to 2050 [ 1412.589206][ T5725] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.599735][ T5725] Dev nbd5: unable to read RDB block 0 [ 1412.600347][T10867] block nbd1: NBD_DISCONNECT [ 1412.606444][ T5725] nbd5: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1412.630504][T10870] nbd4: detected capacity change from 0 to 2050 [ 1412.632887][T10864] block nbd0: shutting down sockets [ 1412.643478][T10871] block nbd3: shutting down sockets 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.663330][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1412.665314][ T4890] Dev nbd3: unable to read RDB block 0 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.667277][ T4890] nbd3: unable to read partition table [ 1412.672751][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1412.674753][ T4890] Dev nbd3: unable to read RDB block 0 [ 1412.676479][ T4890] nbd3: unable to read partition table [ 1412.678891][T10861] block nbd4: shutting down sockets [ 1412.679150][T10875] block nbd1: NBD_DISCONNECT [ 1412.686875][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1412.688684][T10863] ldm_validate_partition_table(): Disk read failed. [ 1412.695576][ T6737] Dev nbd4: unable to read RDB block 0 [ 1412.698217][T10863] Dev nbd3: unable to read RDB block 0 [ 1412.701421][T10874] nbd5: detected capacity change from 0 to 2050 [ 1412.704649][ T6737] nbd4: unable to read partition table [ 1412.710007][T10863] nbd3: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.726748][ T6737] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1412.745258][ T6737] Dev nbd4: unable to read RDB block 0 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.752425][T10884] block nbd5: shutting down sockets [ 1412.753867][ T6737] nbd4: unable to read partition table [ 1412.767195][T10882] ldm_validate_partition_table(): Disk read failed. [ 1412.771607][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.775277][ T5725] Dev nbd5: unable to read RDB block 0 [ 1412.777956][T10882] Dev nbd4: unable to read RDB block 0 [ 1412.779337][ T5725] nbd5: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.787017][T10882] nbd4: unable to read partition table [ 1412.796369][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.804439][ T5725] Dev nbd5: unable to read RDB block 0 [ 1412.806050][T10882] ldm_validate_partition_table(): Disk read failed. [ 1412.808064][ T5725] nbd5: unable to read partition table [ 1412.811391][T10874] ldm_validate_partition_table(): Disk read failed. [ 1412.813498][T10882] Dev nbd4: unable to read RDB block 0 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.817883][T10882] nbd4: unable to read partition table [ 1412.820975][T10874] Dev nbd5: unable to read RDB block 0 [ 1412.832828][T10887] nbd3: detected capacity change from 0 to 2050 [ 1412.834688][T10888] block nbd1: NBD_DISCONNECT [ 1412.835909][T10885] block nbd1: Disconnected due to user request. [ 1412.837323][T10885] block nbd1: shutting down sockets [ 1412.839795][T10874] nbd5: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 00:23:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) [ 1412.882378][ T5725] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.885057][T10896] block nbd3: shutting down sockets [ 1412.887734][ T5725] Dev nbd4: unable to read RDB block 0 [ 1412.891628][ T5725] nbd4: unable to read partition table [ 1412.903368][ T6737] ldm_validate_partition_table(): Disk read failed. 00:23:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.916637][ T6737] Dev nbd3: unable to read RDB block 0 [ 1412.918546][ T6737] nbd3: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1412.921585][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1412.927055][T10887] ldm_validate_partition_table(): Disk read failed. [ 1412.932684][T10887] Dev nbd3: unable to read RDB block 0 [ 1412.934981][T10887] nbd3: unable to read partition table [ 1412.937137][ T5725] Dev nbd4: unable to read RDB block 0 [ 1412.937821][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1412.940482][ T5725] nbd4: unable to read partition table [ 1412.943177][T10902] nbd5: detected capacity change from 0 to 2050 00:23:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1412.956073][ T6737] Dev nbd3: unable to read RDB block 0 [ 1412.960412][T10906] ldm_validate_partition_table(): Disk read failed. [ 1412.962334][T10903] block nbd1: NBD_DISCONNECT [ 1412.963951][T10906] Dev nbd4: unable to read RDB block 0 [ 1412.966104][ T6737] nbd3: unable to read partition table [ 1412.966219][T10899] block nbd1: Disconnected due to user request. [ 1412.969459][T10899] block nbd1: shutting down sockets [ 1412.971674][T10906] nbd4: unable to read partition table 00:23:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1412.987384][T10906] ldm_validate_partition_table(): Disk read failed. [ 1412.989523][T10906] Dev nbd4: unable to read RDB block 0 [ 1412.991588][T10906] nbd4: unable to read partition table 00:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 00:23:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1413.005912][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.007877][ T5725] Dev nbd4: unable to read RDB block 0 [ 1413.017655][ T5725] nbd4: unable to read partition table 00:23:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1413.041406][ T5725] ldm_validate_partition_table(): Disk read failed. 00:23:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1413.055639][ T5725] Dev nbd4: unable to read RDB block 0 [ 1413.060196][ T5725] nbd4: unable to read partition table [ 1413.060427][T10913] block nbd1: NBD_DISCONNECT [ 1413.069412][T10911] block nbd1: Disconnected due to user request. 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.085210][T10911] block nbd1: shutting down sockets 00:23:33 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) [ 1413.101042][T10912] nbd3: detected capacity change from 0 to 2050 00:23:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1413.120726][T10917] nbd4: detected capacity change from 0 to 2050 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x38, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan3\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.151501][T10928] block nbd3: shutting down sockets [ 1413.153693][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.155772][ T5725] Dev nbd3: unable to read RDB block 0 [ 1413.157860][ T5725] nbd3: unable to read partition table 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc, 0x5, {0xaaaaaaaaaaaa0302}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.164623][T10912] ldm_validate_partition_table(): Disk read failed. [ 1413.167654][T10912] Dev nbd3: unable to read RDB block 0 [ 1413.169470][T10912] nbd3: unable to read partition table [ 1413.171696][T10929] block nbd4: shutting down sockets [ 1413.178938][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1413.179990][T10923] block nbd1: shutting down sockets [ 1413.186062][ T5725] ldm_validate_partition_table(): Disk read failed. 00:23:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1413.188171][ T5725] Dev nbd3: unable to read RDB block 0 [ 1413.190643][ T4890] Dev nbd4: unable to read RDB block 0 [ 1413.194098][ T5725] nbd3: unable to read partition table [ 1413.204911][ T4890] nbd4: unable to read partition table 00:23:33 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x20, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.221063][T10917] ldm_validate_partition_table(): Disk read failed. [ 1413.241502][T10938] block nbd0: shutting down sockets [ 1413.243183][T10917] Dev nbd4: unable to read RDB block 0 [ 1413.248412][T10917] nbd4: unable to read partition table 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.254818][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1413.258890][ T4890] Dev nbd4: unable to read RDB block 0 00:23:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1413.264472][ T4890] nbd4: unable to read partition table [ 1413.271016][T10936] nbd3: detected capacity change from 0 to 2050 [ 1413.272841][T10934] block nbd1: shutting down sockets 00:23:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) 00:23:33 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.324087][T10947] block nbd3: shutting down sockets [ 1413.329015][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.333218][ T5725] Dev nbd3: unable to read RDB block 0 [ 1413.336451][ T5725] nbd3: unable to read partition table [ 1413.340216][T10936] ldm_validate_partition_table(): Disk read failed. [ 1413.344662][T10936] Dev nbd3: unable to read RDB block 0 [ 1413.348688][T10936] nbd3: unable to read partition table [ 1413.353647][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.356111][ T5725] Dev nbd3: unable to read RDB block 0 [ 1413.358318][ T5725] nbd3: unable to read partition table 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) [ 1413.360128][T10946] block nbd1: shutting down sockets [ 1413.362330][T10943] nbd4: detected capacity change from 0 to 2050 00:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000200), r1) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x20, r2, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan1\x00'}]}, 0x20}}, 0x0) 00:23:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1413.400189][T10953] block nbd0: shutting down sockets 00:23:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1413.415289][T10955] block nbd4: shutting down sockets [ 1413.425578][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:33 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) [ 1413.441575][ T4890] Dev nbd4: unable to read RDB block 0 [ 1413.447832][ T4890] nbd4: unable to read partition table 00:23:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1413.459144][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1413.461652][ T4890] Dev nbd4: unable to read RDB block 0 [ 1413.465031][ T4890] nbd4: unable to read partition table [ 1413.469199][T10943] ldm_validate_partition_table(): Disk read failed. [ 1413.474853][T10943] Dev nbd4: unable to read RDB block 0 [ 1413.476800][T10943] nbd4: unable to read partition table [ 1413.491388][T10961] block nbd2: shutting down sockets [ 1413.493968][T10959] nbd1: detected capacity change from 0 to 2050 [ 1413.494061][T10958] nbd3: detected capacity change from 0 to 2050 00:23:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) 00:23:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1413.544824][T10968] block nbd0: shutting down sockets [ 1413.554171][T10969] block nbd3: shutting down sockets [ 1413.556373][T10970] block nbd1: shutting down sockets [ 1413.560611][T10965] nbd4: detected capacity change from 0 to 2050 00:23:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1413.563806][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1413.566556][ T6737] Dev nbd3: unable to read RDB block 0 [ 1413.568105][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1413.568446][ T6737] nbd3: unable to read partition table [ 1413.573942][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1413.575120][ T4890] Dev nbd1: unable to read RDB block 0 [ 1413.576123][ T6737] Dev nbd3: unable to read RDB block 0 [ 1413.578807][T10967] nbd2: detected capacity change from 0 to 2050 [ 1413.578883][ T6737] nbd3: unable to read partition table [ 1413.584208][ T4890] nbd1: unable to read partition table [ 1413.592413][T10958] ldm_validate_partition_table(): Disk read failed. [ 1413.597793][T10959] ldm_validate_partition_table(): Disk read failed. [ 1413.609028][T10958] Dev nbd3: unable to read RDB block 0 [ 1413.613354][T10959] Dev nbd1: unable to read RDB block 0 [ 1413.616157][T10973] block nbd4: shutting down sockets [ 1413.616173][T10958] nbd3: unable to read partition table [ 1413.619302][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.621497][T10959] nbd1: unable to read partition table [ 1413.623581][ T5725] Dev nbd4: unable to read RDB block 0 [ 1413.625797][ T5725] nbd4: unable to read partition table [ 1413.627865][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1413.630780][T10974] block nbd2: shutting down sockets [ 1413.633369][ T4890] Dev nbd1: unable to read RDB block 0 [ 1413.637432][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1413.644604][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1413.645083][ T5725] Dev nbd4: unable to read RDB block 0 [ 1413.648037][ T5725] nbd4: unable to read partition table [ 1413.651305][T10973] ldm_validate_partition_table(): Disk read failed. [ 1413.651974][ T4890] nbd1: unable to read partition table [ 1413.654813][T10973] Dev nbd4: unable to read RDB block 0 [ 1413.658059][T10973] nbd4: unable to read partition table [ 1413.661358][ T6737] Dev nbd2: unable to read RDB block 0 [ 1413.681275][ T6737] nbd2: unable to read partition table [ 1413.684309][T10967] ldm_validate_partition_table(): Disk read failed. [ 1413.686257][T10967] Dev nbd2: unable to read RDB block 0 [ 1413.687974][T10967] nbd2: unable to read partition table [ 1413.693616][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1413.695776][ T6737] Dev nbd2: unable to read RDB block 0 [ 1413.697448][ T6737] nbd2: unable to read partition table [ 1415.909836][T10902] block nbd5: shutting down sockets [ 1415.913346][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1415.915184][ T5558] Dev nbd5: unable to read RDB block 0 [ 1415.916786][ T5558] nbd5: unable to read partition table [ 1415.919724][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1415.921981][ T5558] Dev nbd5: unable to read RDB block 0 [ 1415.924044][ T5558] nbd5: unable to read partition table 00:23:35 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) 00:23:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:35 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:23:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) 00:23:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) 00:23:35 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1416.000343][T10985] nbd4: detected capacity change from 0 to 2050 [ 1416.002527][T10981] nbd2: detected capacity change from 0 to 2050 00:23:35 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1416.008487][T10990] nbd3: detected capacity change from 0 to 2050 [ 1416.020406][T10987] nbd1: detected capacity change from 0 to 2050 [ 1416.020852][T10986] nbd5: detected capacity change from 0 to 2050 [ 1416.048749][T10979] block nbd3: shutting down sockets [ 1416.052225][T10993] block nbd4: shutting down sockets [ 1416.055029][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.056371][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.058442][T10994] block nbd2: shutting down sockets [ 1416.060450][ T4890] Dev nbd3: unable to read RDB block 0 [ 1416.062122][T10975] Dev nbd4: unable to read RDB block 0 [ 1416.063725][ T4890] nbd3: unable to read partition table [ 1416.066094][T10975] nbd4: unable to read partition table [ 1416.067272][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.069799][ T5725] Dev nbd2: unable to read RDB block 0 [ 1416.071120][T10979] ldm_validate_partition_table(): Disk read failed. [ 1416.071461][T10979] Dev nbd3: unable to read RDB block 0 [ 1416.074018][T10995] block nbd1: shutting down sockets [ 1416.076363][T10992] nbd0: detected capacity change from 0 to 2050 [ 1416.076862][T10985] ldm_validate_partition_table(): Disk read failed. [ 1416.080430][ T5725] nbd2: unable to read partition table [ 1416.080460][T10979] nbd3: unable to read partition table [ 1416.084250][T10981] ldm_validate_partition_table(): Disk read failed. [ 1416.088239][T10985] Dev nbd4: unable to read RDB block 0 [ 1416.089250][T10981] Dev nbd2: unable to read RDB block 0 [ 1416.091925][T10981] nbd2: unable to read partition table [ 1416.094478][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1416.096222][T10985] nbd4: unable to read partition table [ 1416.098370][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.101297][ T5725] Dev nbd2: unable to read RDB block 0 [ 1416.103125][ T5725] nbd2: unable to read partition table [ 1416.106645][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1416.118278][T10975] ldm_validate_partition_table(): Disk read failed. 00:23:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.127948][T10997] block nbd0: shutting down sockets [ 1416.128874][ T5558] Dev nbd1: unable to read RDB block 0 [ 1416.142384][ T4890] Dev nbd3: unable to read RDB block 0 [ 1416.147889][ T5558] nbd1: unable to read partition table [ 1416.151360][T10975] Dev nbd4: unable to read RDB block 0 [ 1416.156456][ T4890] nbd3: unable to read partition table [ 1416.160403][T10987] ldm_validate_partition_table(): Disk read failed. [ 1416.160534][ T2226] ieee802154 phy0 wpan0: encryption failed: -22 [ 1416.163885][ T2226] ieee802154 phy1 wpan1: encryption failed: -22 00:23:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1416.169237][T10975] nbd4: unable to read partition table [ 1416.170562][T10987] Dev nbd1: unable to read RDB block 0 [ 1416.171115][T10987] nbd1: unable to read partition table [ 1416.183744][T11001] ldm_validate_partition_table(): Disk read failed. [ 1416.189317][T11001] Dev nbd3: unable to read RDB block 0 [ 1416.193622][ T5558] ldm_validate_partition_table(): Disk read failed. 00:23:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) [ 1416.201103][T11001] nbd3: unable to read partition table [ 1416.212270][ T5558] Dev nbd1: unable to read RDB block 0 [ 1416.223552][T11008] nbd2: detected capacity change from 0 to 2050 [ 1416.225208][ T5558] nbd1: unable to read partition table [ 1416.226340][T11001] ldm_validate_partition_table(): Disk read failed. [ 1416.230540][T11001] Dev nbd3: unable to read RDB block 0 [ 1416.232390][T11001] nbd3: unable to read partition table [ 1416.234768][T11007] ldm_validate_partition_table(): Disk read failed. [ 1416.240412][T11007] Dev nbd1: unable to read RDB block 0 [ 1416.240560][T11004] nbd0: detected capacity change from 0 to 2050 [ 1416.242279][T11007] nbd1: unable to read partition table [ 1416.257120][T11007] ldm_validate_partition_table(): Disk read failed. [ 1416.259150][T11007] Dev nbd1: unable to read RDB block 0 [ 1416.261150][T11007] nbd1: unable to read partition table [ 1416.273320][T11000] block nbd2: shutting down sockets [ 1416.276699][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.278754][T10975] Dev nbd2: unable to read RDB block 0 [ 1416.280466][T11005] nbd4: detected capacity change from 0 to 2050 [ 1416.280657][T10975] nbd2: unable to read partition table [ 1416.286170][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.290241][T11000] ldm_validate_partition_table(): Disk read failed. [ 1416.292343][T11000] Dev nbd2: unable to read RDB block 0 [ 1416.292618][T10996] Dev nbd3: unable to read RDB block 0 [ 1416.294174][T11000] nbd2: unable to read partition table [ 1416.296474][T10996] nbd3: unable to read partition table [ 1416.300707][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.302422][T11009] block nbd0: shutting down sockets [ 1416.312692][T10996] Dev nbd3: unable to read RDB block 0 [ 1416.314520][T10996] nbd3: unable to read partition table [ 1416.317680][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.318283][T11001] ldm_validate_partition_table(): Disk read failed. [ 1416.322545][ T5725] Dev nbd0: unable to read RDB block 0 [ 1416.325972][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.328283][T11001] Dev nbd3: unable to read RDB block 0 [ 1416.328900][ T5725] nbd0: unable to read partition table [ 1416.332043][T11010] block nbd4: shutting down sockets [ 1416.333993][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.337536][T11001] nbd3: unable to read partition table [ 1416.337703][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1416.339406][ T4890] Dev nbd1: unable to read RDB block 0 [ 1416.341042][ T54] blk_print_req_error: 1789 callbacks suppressed [ 1416.341054][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.343389][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.343674][ T54] buffer_io_error: 1789 callbacks suppressed [ 1416.343686][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.346618][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1416.347924][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.352633][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.352776][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.354932][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1416.356829][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.358507][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.360086][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.360254][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.362066][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1416.364196][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.368589][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.369900][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.371579][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1416.373495][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.379946][ T54] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1416.381990][ T54] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1416.384002][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.387697][ T5558] Dev nbd4: unable to read RDB block 0 [ 1416.389752][ T5725] Dev nbd0: unable to read RDB block 0 00:23:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1416.394043][T10975] Dev nbd2: unable to read RDB block 0 [ 1416.400375][ T5558] nbd4: unable to read partition table [ 1416.404542][ T5725] nbd0: unable to read partition table [ 1416.408878][T10975] nbd2: unable to read partition table [ 1416.412906][ T4890] nbd1: unable to read partition table [ 1416.419272][T11005] ldm_validate_partition_table(): Disk read failed. [ 1416.427938][T11007] ldm_validate_partition_table(): Disk read failed. [ 1416.431642][T11005] Dev nbd4: unable to read RDB block 0 [ 1416.434224][T11007] Dev nbd1: unable to read RDB block 0 00:23:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.438665][T11005] nbd4: unable to read partition table [ 1416.441990][T11007] nbd1: unable to read partition table 00:23:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1416.456187][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.460432][T11014] nbd3: detected capacity change from 0 to 2050 [ 1416.464399][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1416.467178][ T4890] Dev nbd1: unable to read RDB block 0 [ 1416.468526][ T5558] Dev nbd4: unable to read RDB block 0 [ 1416.470405][ T5558] nbd4: unable to read partition table [ 1416.470431][ T4890] nbd1: unable to read partition table 00:23:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.500322][T11016] nbd0: detected capacity change from 0 to 2050 [ 1416.511920][T11020] block nbd3: shutting down sockets [ 1416.520505][T11018] nbd2: detected capacity change from 0 to 2050 [ 1416.527157][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.532696][T10975] Dev nbd3: unable to read RDB block 0 [ 1416.535349][T10975] nbd3: unable to read partition table [ 1416.538208][T11014] ldm_validate_partition_table(): Disk read failed. [ 1416.540515][T11014] Dev nbd3: unable to read RDB block 0 [ 1416.542190][T11014] nbd3: unable to read partition table [ 1416.545184][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.546983][T10975] Dev nbd3: unable to read RDB block 0 [ 1416.548558][T10975] nbd3: unable to read partition table [ 1416.552238][T11024] block nbd0: shutting down sockets 00:23:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1416.576215][T11027] block nbd2: shutting down sockets [ 1416.578968][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.581397][T11022] nbd1: detected capacity change from 0 to 2050 [ 1416.583067][T11023] nbd4: detected capacity change from 0 to 2050 [ 1416.585037][T10996] Dev nbd0: unable to read RDB block 0 [ 1416.587061][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.589048][T10996] nbd0: unable to read partition table [ 1416.592223][ T5725] Dev nbd2: unable to read RDB block 0 00:23:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1416.599246][ T5725] nbd2: unable to read partition table [ 1416.602043][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.604397][T11018] ldm_validate_partition_table(): Disk read failed. [ 1416.607403][T11018] Dev nbd2: unable to read RDB block 0 [ 1416.609185][T10996] Dev nbd0: unable to read RDB block 0 [ 1416.610317][T11018] nbd2: unable to read partition table [ 1416.611143][T10996] nbd0: unable to read partition table [ 1416.627236][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.631465][ T5725] Dev nbd2: unable to read RDB block 0 00:23:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.635672][ T5725] nbd2: unable to read partition table [ 1416.637212][T11030] block nbd1: shutting down sockets [ 1416.639229][T11031] block nbd4: shutting down sockets [ 1416.641971][T11026] nbd3: detected capacity change from 0 to 2050 [ 1416.647103][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.652817][T10975] Dev nbd1: unable to read RDB block 0 [ 1416.657625][T10975] nbd1: unable to read partition table [ 1416.658427][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.662397][T11022] ldm_validate_partition_table(): Disk read failed. [ 1416.665311][T11022] Dev nbd1: unable to read RDB block 0 [ 1416.667086][T11022] nbd1: unable to read partition table [ 1416.670994][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.672541][ T4890] Dev nbd4: unable to read RDB block 0 [ 1416.673032][T10975] Dev nbd1: unable to read RDB block 0 [ 1416.675625][T10975] nbd1: unable to read partition table [ 1416.677076][ T4890] nbd4: unable to read partition table [ 1416.681648][T11023] ldm_validate_partition_table(): Disk read failed. 00:23:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.683899][T11029] nbd0: detected capacity change from 0 to 2050 [ 1416.690122][T11023] Dev nbd4: unable to read RDB block 0 [ 1416.694255][T11034] block nbd3: shutting down sockets [ 1416.696559][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.697449][T11023] nbd4: unable to read partition table [ 1416.698863][T10996] Dev nbd3: unable to read RDB block 0 [ 1416.702638][T10996] nbd3: unable to read partition table [ 1416.705142][T11026] ldm_validate_partition_table(): Disk read failed. [ 1416.707648][T11026] Dev nbd3: unable to read RDB block 0 [ 1416.709313][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.709371][T11026] nbd3: unable to read partition table [ 1416.711832][T11033] nbd2: detected capacity change from 0 to 2050 [ 1416.715842][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.718547][T10996] Dev nbd3: unable to read RDB block 0 [ 1416.720972][T10996] nbd3: unable to read partition table 00:23:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.731472][T11036] block nbd0: shutting down sockets 00:23:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1416.739875][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.744088][ T5725] Dev nbd0: unable to read RDB block 0 [ 1416.746425][ T5725] nbd0: unable to read partition table [ 1416.746473][ T4890] Dev nbd4: unable to read RDB block 0 [ 1416.752411][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.755504][ T5725] Dev nbd0: unable to read RDB block 0 [ 1416.757209][ T5725] nbd0: unable to read partition table [ 1416.762833][T11038] block nbd2: shutting down sockets 00:23:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1416.778573][ T4890] nbd4: unable to read partition table [ 1416.782463][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.795125][T10975] Dev nbd2: unable to read RDB block 0 [ 1416.797087][T11040] ldm_validate_partition_table(): Disk read failed. [ 1416.799200][T10975] nbd2: unable to read partition table [ 1416.803866][T11040] Dev nbd4: unable to read RDB block 0 [ 1416.806222][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.808235][T11040] nbd4: unable to read partition table [ 1416.812674][T10975] Dev nbd2: unable to read RDB block 0 [ 1416.816995][T11040] ldm_validate_partition_table(): Disk read failed. [ 1416.819058][T10975] nbd2: unable to read partition table [ 1416.820595][T11037] nbd1: detected capacity change from 0 to 2050 [ 1416.821780][T11040] Dev nbd4: unable to read RDB block 0 [ 1416.824859][T11040] nbd4: unable to read partition table [ 1416.825916][T11033] ldm_validate_partition_table(): Disk read failed. [ 1416.828416][T11033] Dev nbd2: unable to read RDB block 0 [ 1416.830787][T11044] nbd3: detected capacity change from 0 to 2050 [ 1416.832331][T11043] nbd0: detected capacity change from 0 to 2050 [ 1416.836320][T11033] nbd2: unable to read partition table 00:23:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.870539][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.871429][T11047] block nbd1: shutting down sockets [ 1416.875922][ T5725] Dev nbd4: unable to read RDB block 0 [ 1416.880649][T10996] ldm_validate_partition_table(): Disk read failed. [ 1416.883077][ T5725] nbd4: unable to read partition table [ 1416.885518][T11048] block nbd0: shutting down sockets [ 1416.886035][T10996] Dev nbd1: unable to read RDB block 0 [ 1416.889540][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1416.890071][T10996] nbd1: unable to read partition table [ 1416.893371][T11049] block nbd3: shutting down sockets [ 1416.895186][ T5725] Dev nbd4: unable to read RDB block 0 [ 1416.896023][T11037] ldm_validate_partition_table(): Disk read failed. [ 1416.897135][ T5725] nbd4: unable to read partition table [ 1416.900761][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.903461][T11040] ldm_validate_partition_table(): Disk read failed. [ 1416.905741][T11040] Dev nbd4: unable to read RDB block 0 [ 1416.906668][T11037] Dev nbd1: unable to read RDB block 0 [ 1416.907457][T11040] nbd4: unable to read partition table [ 1416.910561][T11046] nbd2: detected capacity change from 0 to 2050 [ 1416.912458][ T4890] Dev nbd0: unable to read RDB block 0 [ 1416.914222][T11037] nbd1: unable to read partition table [ 1416.915322][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1416.917293][ T4890] nbd0: unable to read partition table [ 1416.922949][T10996] ldm_validate_partition_table(): Disk read failed. 00:23:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.927571][ T5558] Dev nbd3: unable to read RDB block 0 [ 1416.933792][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1416.934973][T10996] Dev nbd1: unable to read RDB block 0 [ 1416.939429][ T5558] nbd3: unable to read partition table [ 1416.940500][ T4890] Dev nbd0: unable to read RDB block 0 00:23:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1416.947123][T10996] nbd1: unable to read partition table [ 1416.948584][T11044] ldm_validate_partition_table(): Disk read failed. [ 1416.954065][T11044] Dev nbd3: unable to read RDB block 0 [ 1416.956506][ T4890] nbd0: unable to read partition table [ 1416.959291][T11044] nbd3: unable to read partition table [ 1416.961510][T11052] block nbd2: shutting down sockets [ 1416.971301][T10975] ldm_validate_partition_table(): Disk read failed. [ 1416.975070][T10975] Dev nbd2: unable to read RDB block 0 [ 1416.976966][T10975] nbd2: unable to read partition table [ 1416.983020][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1416.984090][T11046] ldm_validate_partition_table(): Disk read failed. [ 1416.985110][ T5558] Dev nbd3: unable to read RDB block 0 [ 1416.987949][ T5558] nbd3: unable to read partition table 00:23:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1416.993479][T11046] Dev nbd2: unable to read RDB block 0 [ 1416.997541][T11046] nbd2: unable to read partition table 00:23:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1417.005072][T11051] nbd4: detected capacity change from 0 to 2050 [ 1417.017028][T10975] ldm_validate_partition_table(): Disk read failed. [ 1417.027212][T10975] Dev nbd2: unable to read RDB block 0 [ 1417.029339][T10975] nbd2: unable to read partition table [ 1417.041941][T11054] nbd0: detected capacity change from 0 to 2050 00:23:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1417.054252][T11059] block nbd4: shutting down sockets [ 1417.061220][T10996] ldm_validate_partition_table(): Disk read failed. [ 1417.063273][T10996] Dev nbd4: unable to read RDB block 0 [ 1417.065093][T10996] nbd4: unable to read partition table [ 1417.067691][T11051] ldm_validate_partition_table(): Disk read failed. [ 1417.070336][T11058] nbd3: detected capacity change from 0 to 2050 [ 1417.071674][T11051] Dev nbd4: unable to read RDB block 0 [ 1417.072914][T11057] nbd1: detected capacity change from 0 to 2050 [ 1417.075876][T11051] nbd4: unable to read partition table [ 1417.081460][T10996] ldm_validate_partition_table(): Disk read failed. [ 1417.083555][T10996] Dev nbd4: unable to read RDB block 0 [ 1417.085436][T10996] nbd4: unable to read partition table [ 1417.092729][T11062] block nbd0: shutting down sockets 00:23:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1417.098200][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1417.100451][T11061] nbd2: detected capacity change from 0 to 2050 [ 1417.107615][ T5725] Dev nbd0: unable to read RDB block 0 [ 1417.110302][ T5725] nbd0: unable to read partition table [ 1417.113911][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1417.116298][ T5725] Dev nbd0: unable to read RDB block 0 [ 1417.118867][ T5725] nbd0: unable to read partition table [ 1417.124794][T11065] block nbd1: shutting down sockets [ 1417.127428][T11066] block nbd3: shutting down sockets [ 1417.131887][T10975] ldm_validate_partition_table(): Disk read failed. [ 1417.135058][T10975] Dev nbd1: unable to read RDB block 0 [ 1417.140127][T10975] nbd1: unable to read partition table [ 1417.140223][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1417.141367][ T4890] Dev nbd3: unable to read RDB block 0 [ 1417.143741][T10975] ldm_validate_partition_table(): Disk read failed. [ 1417.146487][T10975] Dev nbd1: unable to read RDB block 0 [ 1417.146636][ T4890] nbd3: unable to read partition table [ 1417.148175][T10975] nbd1: unable to read partition table [ 1417.151707][T11058] ldm_validate_partition_table(): Disk read failed. [ 1417.151745][T11057] ldm_validate_partition_table(): Disk read failed. [ 1417.153756][T11058] Dev nbd3: unable to read RDB block 0 [ 1417.156302][T11057] Dev nbd1: unable to read RDB block 0 [ 1417.156638][T11058] nbd3: unable to read partition table [ 1417.158004][T11057] nbd1: unable to read partition table [ 1417.161094][T11064] nbd4: detected capacity change from 0 to 2050 [ 1417.164260][T11067] block nbd2: shutting down sockets [ 1417.168388][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1417.173524][ T4890] Dev nbd3: unable to read RDB block 0 [ 1417.175631][ T4890] nbd3: unable to read partition table [ 1417.177556][T10996] ldm_validate_partition_table(): Disk read failed. [ 1417.182106][T10996] Dev nbd2: unable to read RDB block 0 [ 1417.183822][T10996] nbd2: unable to read partition table [ 1417.186198][T11061] ldm_validate_partition_table(): Disk read failed. [ 1417.188744][T11061] Dev nbd2: unable to read RDB block 0 [ 1417.190853][T11061] nbd2: unable to read partition table [ 1417.193233][T10996] ldm_validate_partition_table(): Disk read failed. [ 1417.195882][T10996] Dev nbd2: unable to read RDB block 0 [ 1417.197682][T10996] nbd2: unable to read partition table [ 1417.212369][T11068] block nbd4: shutting down sockets [ 1417.221900][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1417.225064][ T5725] Dev nbd4: unable to read RDB block 0 [ 1417.227280][ T5725] nbd4: unable to read partition table [ 1417.230224][T11064] ldm_validate_partition_table(): Disk read failed. [ 1417.232380][T11064] Dev nbd4: unable to read RDB block 0 [ 1417.234090][T11064] nbd4: unable to read partition table [ 1417.236854][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1417.238794][ T5725] Dev nbd4: unable to read RDB block 0 [ 1417.240931][ T5725] nbd4: unable to read partition table [ 1418.938459][T10986] block nbd5: shutting down sockets [ 1418.942124][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1418.943954][ T6737] Dev nbd5: unable to read RDB block 0 [ 1418.945626][ T6737] nbd5: unable to read partition table [ 1418.948547][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1418.951230][ T6737] Dev nbd5: unable to read RDB block 0 [ 1418.952969][ T6737] nbd5: unable to read partition table 00:23:38 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) 00:23:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:38 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 00:23:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:23:38 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:38 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1419.010541][T11074] nbd4: detected capacity change from 0 to 2050 [ 1419.011883][T11071] nbd0: detected capacity change from 0 to 2050 [ 1419.012592][T11072] nbd5: detected capacity change from 0 to 2050 [ 1419.020200][T11076] nbd3: detected capacity change from 0 to 2050 [ 1419.021896][T11080] nbd1: detected capacity change from 0 to 2050 [ 1419.022838][T11078] nbd2: detected capacity change from 0 to 2050 [ 1419.061401][T11081] block nbd4: shutting down sockets [ 1419.063702][T11082] block nbd0: shutting down sockets [ 1419.065877][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.067837][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.073044][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.075616][T11084] block nbd1: shutting down sockets [ 1419.076853][T10975] Dev nbd4: unable to read RDB block 0 [ 1419.077186][T10975] nbd4: unable to read partition table [ 1419.078439][T11083] block nbd2: shutting down sockets [ 1419.082316][T11085] block nbd3: shutting down sockets [ 1419.083828][ T5725] nbd0: unable to read partition table [ 1419.087185][T11074] ldm_validate_partition_table(): Disk read failed. [ 1419.088355][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1419.089376][T11074] Dev nbd4: unable to read RDB block 0 [ 1419.092697][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1419.094938][T11074] nbd4: unable to read partition table [ 1419.096053][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.096897][ T5558] Dev nbd2: unable to read RDB block 0 [ 1419.101953][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.102935][ T5558] nbd2: unable to read partition table [ 1419.105076][ T6737] Dev nbd1: unable to read RDB block 0 [ 1419.106843][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.108564][ T4890] Dev nbd3: unable to read RDB block 0 [ 1419.108949][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.112583][T10975] Dev nbd4: unable to read RDB block 0 [ 1419.114547][ T6737] nbd1: unable to read partition table [ 1419.116320][ T5725] nbd0: unable to read partition table [ 1419.118152][ T4890] nbd3: unable to read partition table 00:23:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1419.125324][T11076] ldm_validate_partition_table(): Disk read failed. 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1419.130726][T10975] nbd4: unable to read partition table [ 1419.131033][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1419.135163][T11076] Dev nbd3: unable to read RDB block 0 [ 1419.137016][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1419.141170][T11076] nbd3: unable to read partition table [ 1419.144027][ T6737] Dev nbd1: unable to read RDB block 0 [ 1419.150602][ T5558] Dev nbd2: unable to read RDB block 0 [ 1419.155290][T11087] ldm_validate_partition_table(): Disk read failed. [ 1419.158016][ T6737] nbd1: unable to read partition table [ 1419.159317][T11087] Dev nbd4: unable to read RDB block 0 [ 1419.161924][T11087] nbd4: unable to read partition table [ 1419.164541][ T5558] nbd2: unable to read partition table 00:23:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1419.174829][T11080] ldm_validate_partition_table(): Disk read failed. [ 1419.177255][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.179041][T11080] Dev nbd1: unable to read RDB block 0 [ 1419.180054][T11078] ldm_validate_partition_table(): Disk read failed. [ 1419.183033][T11087] ldm_validate_partition_table(): Disk read failed. [ 1419.186746][T11080] nbd1: unable to read partition table [ 1419.188478][ T4890] Dev nbd3: unable to read RDB block 0 [ 1419.190444][T11087] Dev nbd4: unable to read RDB block 0 [ 1419.193081][T11078] Dev nbd2: unable to read RDB block 0 [ 1419.193517][ T4890] nbd3: unable to read partition table [ 1419.194862][T11087] nbd4: unable to read partition table [ 1419.202952][T11078] nbd2: unable to read partition table [ 1419.210595][T11089] nbd0: detected capacity change from 0 to 2050 00:23:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:39 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1419.239919][T11091] ldm_validate_partition_table(): Disk read failed. [ 1419.252194][T11091] Dev nbd3: unable to read RDB block 0 [ 1419.255120][T11091] nbd3: unable to read partition table [ 1419.261474][T11095] block nbd0: shutting down sockets [ 1419.264435][T11091] ldm_validate_partition_table(): Disk read failed. [ 1419.265956][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.266419][T11091] Dev nbd3: unable to read RDB block 0 [ 1419.268698][T10975] Dev nbd4: unable to read RDB block 0 [ 1419.271277][T10975] nbd4: unable to read partition table [ 1419.272696][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.280202][T11094] nbd1: detected capacity change from 0 to 2050 [ 1419.280814][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.285661][ T5725] nbd0: unable to read partition table [ 1419.287579][T11091] nbd3: unable to read partition table [ 1419.287843][T11087] ldm_validate_partition_table(): Disk read failed. [ 1419.291176][T11087] Dev nbd4: unable to read RDB block 0 [ 1419.292963][T11087] nbd4: unable to read partition table [ 1419.299535][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.299895][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.301984][T10975] Dev nbd4: unable to read RDB block 0 00:23:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1419.305929][T10975] nbd4: unable to read partition table 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1419.318413][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.320521][T11096] nbd2: detected capacity change from 0 to 2050 [ 1419.338177][T11099] block nbd1: shutting down sockets [ 1419.340928][ T5725] nbd0: unable to read partition table [ 1419.346474][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1419.348955][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.350809][T11101] ldm_validate_partition_table(): Disk read failed. [ 1419.353628][T11101] Dev nbd0: unable to read RDB block 0 [ 1419.355411][T11101] nbd0: unable to read partition table [ 1419.356555][ T6737] Dev nbd3: unable to read RDB block 0 [ 1419.358367][ T4890] Dev nbd1: unable to read RDB block 0 [ 1419.361066][T11101] ldm_validate_partition_table(): Disk read failed. [ 1419.363000][T11101] Dev nbd0: unable to read RDB block 0 [ 1419.364855][T11101] nbd0: unable to read partition table [ 1419.369075][ T4890] nbd1: unable to read partition table [ 1419.370443][T11100] nbd4: detected capacity change from 0 to 2050 [ 1419.372281][ T6737] nbd3: unable to read partition table [ 1419.374923][T11094] ldm_validate_partition_table(): Disk read failed. [ 1419.376513][T11091] ldm_validate_partition_table(): Disk read failed. [ 1419.377119][T11091] Dev nbd3: unable to read RDB block 0 [ 1419.379172][T11094] Dev nbd1: unable to read RDB block 0 [ 1419.382089][T11091] nbd3: unable to read partition table [ 1419.385168][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1419.387087][T11094] nbd1: unable to read partition table [ 1419.387304][ T6737] Dev nbd3: unable to read RDB block 0 [ 1419.391172][ T6737] nbd3: unable to read partition table [ 1419.400172][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.405278][ T4890] Dev nbd1: unable to read RDB block 0 [ 1419.406876][ T4890] nbd1: unable to read partition table [ 1419.411875][T10975] ldm_validate_partition_table(): Disk read failed. 00:23:39 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1419.421735][T10975] Dev nbd0: unable to read RDB block 0 [ 1419.423894][T11103] block nbd4: shutting down sockets [ 1419.427390][T10975] nbd0: unable to read partition table [ 1419.436205][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.438243][T10975] Dev nbd0: unable to read RDB block 0 [ 1419.438856][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.440741][T10975] nbd0: unable to read partition table [ 1419.451851][ T5725] Dev nbd4: unable to read RDB block 0 [ 1419.453587][ T5725] nbd4: unable to read partition table [ 1419.457219][T11103] ldm_validate_partition_table(): Disk read failed. [ 1419.465136][T11103] Dev nbd4: unable to read RDB block 0 [ 1419.471258][T11103] nbd4: unable to read partition table [ 1419.473817][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.475794][ T5725] Dev nbd4: unable to read RDB block 0 [ 1419.477476][ T5725] nbd4: unable to read partition table 00:23:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1419.514279][T11106] nbd3: detected capacity change from 0 to 2050 [ 1419.516654][T11112] nbd1: detected capacity change from 0 to 2050 [ 1419.530871][T11109] nbd0: detected capacity change from 0 to 2050 [ 1419.531281][T11111] nbd4: detected capacity change from 0 to 2050 [ 1419.565480][T11107] block nbd1: shutting down sockets [ 1419.567574][T11113] block nbd3: shutting down sockets [ 1419.571894][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.575026][ T5725] Dev nbd1: unable to read RDB block 0 [ 1419.576622][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.578459][ T5725] nbd1: unable to read partition table [ 1419.580329][T10975] Dev nbd3: unable to read RDB block 0 [ 1419.584085][T10975] nbd3: unable to read partition table [ 1419.587413][T11114] block nbd0: shutting down sockets [ 1419.594503][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.597544][T10975] ldm_validate_partition_table(): Disk read failed. [ 1419.598692][ T5725] Dev nbd1: unable to read RDB block 0 [ 1419.599823][T10975] Dev nbd3: unable to read RDB block 0 [ 1419.601426][ T5725] nbd1: unable to read partition table [ 1419.603823][T10975] nbd3: unable to read partition table [ 1419.605629][T11107] ldm_validate_partition_table(): Disk read failed. [ 1419.606485][T11106] ldm_validate_partition_table(): Disk read failed. [ 1419.610238][T11107] Dev nbd1: unable to read RDB block 0 [ 1419.612430][T11107] nbd1: unable to read partition table [ 1419.613753][T11106] Dev nbd3: unable to read RDB block 0 [ 1419.614114][T11106] nbd3: unable to read partition table [ 1419.626148][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:23:39 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1419.641791][ T4890] Dev nbd0: unable to read RDB block 0 [ 1419.651296][ T4890] nbd0: unable to read partition table [ 1419.662010][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.665768][ T4890] Dev nbd0: unable to read RDB block 0 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1419.667936][ T4890] nbd0: unable to read partition table [ 1419.690499][T11119] nbd1: detected capacity change from 0 to 2050 [ 1419.697790][T11117] nbd3: detected capacity change from 0 to 2050 [ 1419.713567][T11121] nbd0: detected capacity change from 0 to 2050 [ 1419.745426][T11123] block nbd3: shutting down sockets [ 1419.750061][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.755454][ T5725] Dev nbd3: unable to read RDB block 0 [ 1419.757521][ T5725] nbd3: unable to read partition table [ 1419.761555][T11117] ldm_validate_partition_table(): Disk read failed. [ 1419.764653][T11117] Dev nbd3: unable to read RDB block 0 [ 1419.764676][T11124] block nbd0: shutting down sockets [ 1419.766435][T11117] nbd3: unable to read partition table [ 1419.769282][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.772068][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.774860][ T5725] Dev nbd3: unable to read RDB block 0 [ 1419.774887][ T4890] Dev nbd0: unable to read RDB block 0 [ 1419.777123][ T5725] nbd3: unable to read partition table [ 1419.780126][ T4890] nbd0: unable to read partition table [ 1419.783804][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.786528][ T4890] Dev nbd0: unable to read RDB block 0 [ 1419.788519][ T4890] nbd0: unable to read partition table 00:23:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1419.850792][T11128] nbd0: detected capacity change from 0 to 2050 [ 1419.851860][T11126] nbd3: detected capacity change from 0 to 2050 [ 1419.902539][T11129] block nbd0: shutting down sockets [ 1419.903799][T11130] block nbd3: shutting down sockets [ 1419.906725][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.909139][ T4890] Dev nbd3: unable to read RDB block 0 [ 1419.911329][ T4890] nbd3: unable to read partition table [ 1419.914171][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.914970][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1419.917966][ T4890] Dev nbd3: unable to read RDB block 0 [ 1419.920886][ T4890] nbd3: unable to read partition table [ 1419.921466][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.926264][T11126] ldm_validate_partition_table(): Disk read failed. [ 1419.928324][ T5725] nbd0: unable to read partition table [ 1419.935867][T11126] Dev nbd3: unable to read RDB block 0 [ 1419.939059][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1419.944976][ T5725] Dev nbd0: unable to read RDB block 0 [ 1419.946569][T11126] nbd3: unable to read partition table 00:23:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1419.952466][ T5725] nbd0: unable to read partition table [ 1419.966761][T11132] ldm_validate_partition_table(): Disk read failed. [ 1419.968904][T11132] Dev nbd0: unable to read RDB block 0 [ 1419.971131][T11132] nbd0: unable to read partition table 00:23:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1419.980550][T11132] ldm_validate_partition_table(): Disk read failed. [ 1419.982448][T11132] Dev nbd0: unable to read RDB block 0 [ 1419.984224][T11132] nbd0: unable to read partition table [ 1420.011151][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.013473][ T5725] Dev nbd0: unable to read RDB block 0 [ 1420.015424][ T5725] nbd0: unable to read partition table [ 1420.018866][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.022427][ T5725] Dev nbd0: unable to read RDB block 0 00:23:40 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1420.024478][ T5725] nbd0: unable to read partition table [ 1420.052051][T11134] nbd3: detected capacity change from 0 to 2050 [ 1420.081668][T11136] nbd0: detected capacity change from 0 to 2050 [ 1420.102695][T11137] block nbd3: shutting down sockets [ 1420.106706][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.108742][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.110778][ T5725] nbd3: unable to read partition table [ 1420.114781][T11134] ldm_validate_partition_table(): Disk read failed. [ 1420.118980][T11134] Dev nbd3: unable to read RDB block 0 [ 1420.121362][T11134] nbd3: unable to read partition table [ 1420.124158][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.126298][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.128199][ T5725] nbd3: unable to read partition table [ 1420.136738][T11138] block nbd0: shutting down sockets [ 1420.140028][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.143971][ T4890] Dev nbd0: unable to read RDB block 0 [ 1420.145800][ T4890] nbd0: unable to read partition table 00:23:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1420.150108][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.152180][ T4890] Dev nbd0: unable to read RDB block 0 [ 1420.154013][ T4890] nbd0: unable to read partition table 00:23:40 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1420.220359][T11141] nbd3: detected capacity change from 0 to 2050 [ 1420.220402][T11142] nbd0: detected capacity change from 0 to 2050 [ 1420.272602][T11143] block nbd3: shutting down sockets [ 1420.273480][T11144] block nbd0: shutting down sockets [ 1420.277024][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.277297][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.281628][ T4890] Dev nbd0: unable to read RDB block 0 [ 1420.282296][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.283553][ T4890] nbd0: unable to read partition table [ 1420.284797][ T5725] nbd3: unable to read partition table [ 1420.288541][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.292833][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.293283][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.295465][ T4890] Dev nbd0: unable to read RDB block 0 00:23:40 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1420.297541][ T4890] nbd0: unable to read partition table [ 1420.301935][ T5725] nbd3: unable to read partition table [ 1420.306633][T11141] ldm_validate_partition_table(): Disk read failed. [ 1420.310673][T11141] Dev nbd3: unable to read RDB block 0 [ 1420.314431][T11141] nbd3: unable to read partition table 00:23:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1420.372037][T11148] nbd3: detected capacity change from 0 to 2050 [ 1420.380822][T11146] nbd0: detected capacity change from 0 to 2050 [ 1420.423553][T11149] block nbd3: shutting down sockets [ 1420.426450][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.428602][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.431135][ T5725] nbd3: unable to read partition table [ 1420.434750][T11150] block nbd0: shutting down sockets [ 1420.436128][T11148] ldm_validate_partition_table(): Disk read failed. [ 1420.436953][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.438931][T11148] Dev nbd3: unable to read RDB block 0 [ 1420.440339][ T4890] Dev nbd0: unable to read RDB block 0 [ 1420.442049][T11148] nbd3: unable to read partition table [ 1420.442758][ T4890] nbd0: unable to read partition table [ 1420.449743][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.456278][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.459305][ T5725] Dev nbd3: unable to read RDB block 0 [ 1420.460032][ T4890] Dev nbd0: unable to read RDB block 0 [ 1420.461359][ T5725] nbd3: unable to read partition table 00:23:40 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1420.468003][ T4890] nbd0: unable to read partition table 00:23:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r3}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1420.520304][T11152] nbd0: detected capacity change from 0 to 2050 [ 1420.550558][T11154] nbd3: detected capacity change from 0 to 2050 [ 1420.572266][T11155] block nbd0: shutting down sockets [ 1420.586162][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.588248][ T5725] Dev nbd0: unable to read RDB block 0 [ 1420.590283][ T5725] nbd0: unable to read partition table [ 1420.593465][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.595444][ T5725] Dev nbd0: unable to read RDB block 0 [ 1420.597153][ T5725] nbd0: unable to read partition table 00:23:40 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1420.601850][T11156] block nbd3: shutting down sockets [ 1420.605867][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.615825][ T4890] Dev nbd3: unable to read RDB block 0 [ 1420.618069][ T4890] nbd3: unable to read partition table [ 1420.622517][T11154] ldm_validate_partition_table(): Disk read failed. [ 1420.624651][T11154] Dev nbd3: unable to read RDB block 0 [ 1420.626546][T11154] nbd3: unable to read partition table [ 1420.629185][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1420.633837][ T4890] Dev nbd3: unable to read RDB block 0 [ 1420.636835][ T4890] nbd3: unable to read partition table [ 1420.651969][T11158] nbd0: detected capacity change from 0 to 2050 [ 1420.702264][T11159] block nbd0: shutting down sockets [ 1420.706106][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.709069][ T5725] Dev nbd0: unable to read RDB block 0 [ 1420.713240][ T5725] nbd0: unable to read partition table [ 1420.720374][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1420.722565][ T5725] Dev nbd0: unable to read RDB block 0 [ 1420.724323][ T5725] nbd0: unable to read partition table [ 1421.375190][ T54] block nbd2: Possible stuck request 00000000e3b57fea: control (read@0,4096B). Runtime 2 seconds [ 1421.974015][T11072] block nbd5: shutting down sockets [ 1421.975481][ C0] blk_print_req_error: 2541 callbacks suppressed [ 1421.975492][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1421.979017][ C0] buffer_io_error: 2542 callbacks suppressed [ 1421.979027][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1421.982315][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1421.984456][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1421.986700][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1421.988923][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1421.991050][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1421.993244][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1421.995198][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1421.997312][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1421.999345][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1422.001696][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1422.003644][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1422.005729][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1422.007580][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1422.009915][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1422.015772][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.017472][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1422.019521][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1422.021632][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1422.023724][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1422.025673][T10996] Dev nbd5: unable to read RDB block 0 [ 1422.027359][T10996] nbd5: unable to read partition table [ 1422.030351][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.032492][T10996] Dev nbd5: unable to read RDB block 0 [ 1422.034074][T10996] nbd5: unable to read partition table 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) 00:23:42 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r3}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:23:42 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1422.100399][T11162] nbd3: detected capacity change from 0 to 2050 [ 1422.120280][T11164] nbd0: detected capacity change from 0 to 2050 [ 1422.122001][T11166] nbd5: detected capacity change from 0 to 2050 [ 1422.152497][T11167] block nbd3: shutting down sockets [ 1422.161944][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.164025][T10996] Dev nbd3: unable to read RDB block 0 [ 1422.165795][T10996] nbd3: unable to read partition table [ 1422.169048][T11162] ldm_validate_partition_table(): Disk read failed. [ 1422.172815][T11168] block nbd0: shutting down sockets [ 1422.172835][T11169] block nbd5: shutting down sockets [ 1422.176324][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1422.176934][T11162] Dev nbd3: unable to read RDB block 0 [ 1422.178560][ T5725] Dev nbd0: unable to read RDB block 0 [ 1422.180819][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.181188][ T5725] nbd0: unable to read partition table [ 1422.185548][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1422.187494][T11162] nbd3: unable to read partition table [ 1422.187569][ T5725] Dev nbd0: unable to read RDB block 0 [ 1422.190931][ T5725] nbd0: unable to read partition table [ 1422.191622][ T4890] Dev nbd5: unable to read RDB block 0 [ 1422.200588][ T4890] nbd5: unable to read partition table 00:23:42 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1422.208958][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.213621][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.214310][T10996] Dev nbd3: unable to read RDB block 0 [ 1422.215456][ T4890] Dev nbd5: unable to read RDB block 0 [ 1422.218162][ T4890] nbd5: unable to read partition table [ 1422.221825][T11166] ldm_validate_partition_table(): Disk read failed. [ 1422.225142][T11166] Dev nbd5: unable to read RDB block 0 [ 1422.228083][T10996] nbd3: unable to read partition table [ 1422.231164][T11166] nbd5: unable to read partition table [ 1422.250482][T11096] block nbd2: shutting down sockets 00:23:42 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r3}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1422.270325][T11171] nbd0: detected capacity change from 0 to 2050 [ 1422.279980][ T5558] ldm_validate_partition_table(): Disk read failed. 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) [ 1422.296292][ T5558] Dev nbd2: unable to read RDB block 0 [ 1422.300917][ T5558] nbd2: unable to read partition table [ 1422.303580][T11102] ldm_validate_partition_table(): Disk read failed. [ 1422.305464][T11102] Dev nbd2: unable to read RDB block 0 [ 1422.307171][T11102] nbd2: unable to read partition table [ 1422.314975][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1422.317097][ T5558] Dev nbd2: unable to read RDB block 0 [ 1422.318973][ T5558] nbd2: unable to read partition table [ 1422.321842][T11176] block nbd0: shutting down sockets 00:23:42 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1422.327938][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1422.330242][T11173] nbd3: detected capacity change from 0 to 2050 [ 1422.331804][ T5725] Dev nbd0: unable to read RDB block 0 [ 1422.334273][ T5725] nbd0: unable to read partition table [ 1422.336763][ T5725] nbd0: partition table beyond EOD, truncated 00:23:42 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1422.361916][T11175] nbd5: detected capacity change from 0 to 2050 [ 1422.380892][T11178] nbd2: detected capacity change from 0 to 2050 [ 1422.381607][T11180] nbd0: detected capacity change from 0 to 2050 [ 1422.386824][T11181] block nbd3: shutting down sockets [ 1422.392557][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.395593][ T4890] Dev nbd3: unable to read RDB block 0 [ 1422.398096][ T4890] nbd3: unable to read partition table [ 1422.402411][T11173] ldm_validate_partition_table(): Disk read failed. [ 1422.404490][T11173] Dev nbd3: unable to read RDB block 0 [ 1422.406243][T11173] nbd3: unable to read partition table [ 1422.409137][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.412456][ T4890] Dev nbd3: unable to read RDB block 0 [ 1422.414218][ T4890] nbd3: unable to read partition table [ 1422.414482][T11182] block nbd5: shutting down sockets [ 1422.423841][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.425759][T10996] Dev nbd5: unable to read RDB block 0 00:23:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1422.429511][T10996] nbd5: unable to read partition table [ 1422.434588][T11184] block nbd0: shutting down sockets [ 1422.439312][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.443267][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1422.445457][ T5558] Dev nbd0: unable to read RDB block 0 [ 1422.447192][T10996] Dev nbd5: unable to read RDB block 0 [ 1422.448901][ T5558] nbd0: unable to read partition table [ 1422.452571][T10996] nbd5: unable to read partition table [ 1422.452825][ T5558] nbd0: partition table beyond EOD, truncated [ 1422.457523][T11175] ldm_validate_partition_table(): Disk read failed. [ 1422.464007][T11175] Dev nbd5: unable to read RDB block 0 [ 1422.465905][T11175] nbd5: unable to read partition table 00:23:42 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(r0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1422.482350][T11186] nbd3: detected capacity change from 0 to 2050 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1422.505129][T11111] block nbd4: shutting down sockets [ 1422.507433][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1422.509540][ T6737] Dev nbd4: unable to read RDB block 0 [ 1422.511505][ T6737] nbd4: unable to read partition table [ 1422.514806][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1422.516858][ T6737] Dev nbd4: unable to read RDB block 0 [ 1422.518619][ T6737] nbd4: unable to read partition table [ 1422.521793][T11115] ldm_validate_partition_table(): Disk read failed. [ 1422.525250][T11115] Dev nbd4: unable to read RDB block 0 [ 1422.527199][T11115] nbd4: unable to read partition table [ 1422.533356][T11189] nbd5: detected capacity change from 0 to 2050 00:23:42 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1422.570674][T11190] nbd0: detected capacity change from 0 to 2050 [ 1422.594554][T11194] block nbd5: shutting down sockets [ 1422.600697][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.602999][T10996] Dev nbd5: unable to read RDB block 0 [ 1422.604861][T10996] nbd5: unable to read partition table [ 1422.607668][T11189] ldm_validate_partition_table(): Disk read failed. [ 1422.610836][T11189] Dev nbd5: unable to read RDB block 0 [ 1422.613014][T11189] nbd5: unable to read partition table [ 1422.615833][T10996] ldm_validate_partition_table(): Disk read failed. [ 1422.617896][T10996] Dev nbd5: unable to read RDB block 0 [ 1422.619801][T10996] nbd5: unable to read partition table [ 1422.630571][T11196] block nbd0: shutting down sockets [ 1422.633022][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1422.635100][ T6737] Dev nbd0: unable to read RDB block 0 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) [ 1422.637877][ T6737] nbd0: unable to read partition table [ 1422.640556][T11193] nbd4: detected capacity change from 0 to 2050 [ 1422.642598][ T6737] nbd0: partition table beyond EOD, truncated 00:23:42 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1422.658762][T11119] block nbd1: shutting down sockets [ 1422.664014][T10975] ldm_validate_partition_table(): Disk read failed. [ 1422.672857][T10975] Dev nbd1: unable to read RDB block 0 [ 1422.676279][T10975] nbd1: unable to read partition table [ 1422.679226][T11122] ldm_validate_partition_table(): Disk read failed. [ 1422.682823][T11122] Dev nbd1: unable to read RDB block 0 [ 1422.684425][T11122] nbd1: unable to read partition table [ 1422.687348][T10975] ldm_validate_partition_table(): Disk read failed. [ 1422.691032][T11199] nbd5: detected capacity change from 0 to 2050 [ 1422.691541][T10975] Dev nbd1: unable to read RDB block 0 [ 1422.694175][T10975] nbd1: unable to read partition table 00:23:42 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1422.710212][T11200] nbd0: detected capacity change from 0 to 2050 [ 1422.742842][T11204] block nbd5: shutting down sockets [ 1422.745897][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.748126][ T4890] Dev nbd5: unable to read RDB block 0 [ 1422.750337][ T4890] nbd5: unable to read partition table [ 1422.753452][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1422.755968][ T4890] Dev nbd5: unable to read RDB block 0 [ 1422.757736][ T4890] nbd5: unable to read partition table 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) [ 1422.762250][T11205] block nbd0: shutting down sockets [ 1422.774069][T10975] ldm_validate_partition_table(): Disk read failed. [ 1422.777385][T10975] Dev nbd0: unable to read RDB block 0 [ 1422.780224][T11206] nbd1: detected capacity change from 0 to 2050 [ 1422.782006][T10975] nbd0: unable to read partition table [ 1422.785574][T10975] nbd0: partition table beyond EOD, truncated 00:23:42 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1422.860568][T11208] nbd5: detected capacity change from 0 to 2050 [ 1422.861084][T11210] nbd0: detected capacity change from 0 to 2050 [ 1422.911812][T11211] block nbd5: shutting down sockets [ 1422.912798][T11212] block nbd0: shutting down sockets [ 1422.919461][T10975] ldm_validate_partition_table(): Disk read failed. [ 1422.930179][T10975] Dev nbd5: unable to read RDB block 0 [ 1422.932187][T10975] nbd5: unable to read partition table [ 1422.935528][T10975] ldm_validate_partition_table(): Disk read failed. [ 1422.937589][T10975] Dev nbd5: unable to read RDB block 0 [ 1422.939529][T10975] nbd5: unable to read partition table [ 1422.940871][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1422.941241][ T6737] Dev nbd0: unable to read RDB block 0 [ 1422.948392][ T6737] nbd0: unable to read partition table [ 1422.958140][ T6737] nbd0: partition table beyond EOD, truncated 00:23:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) 00:23:42 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.020985][T11214] nbd5: detected capacity change from 0 to 2050 [ 1423.040314][T11216] nbd0: detected capacity change from 0 to 2050 [ 1423.073006][T11217] block nbd5: shutting down sockets [ 1423.080676][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.082962][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.084749][T10975] nbd5: unable to read partition table [ 1423.087947][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.090068][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.092074][T10975] nbd5: unable to read partition table [ 1423.094368][T11218] block nbd0: shutting down sockets 00:23:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) [ 1423.098061][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1423.101321][ T6737] Dev nbd0: unable to read RDB block 0 [ 1423.108295][ T6737] nbd0: unable to read partition table [ 1423.110361][ T6737] nbd0: partition table beyond EOD, truncated 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.151183][T11220] nbd5: detected capacity change from 0 to 2050 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.203003][T11229] block nbd5: shutting down sockets [ 1423.218136][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.220643][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.222427][T10975] nbd5: unable to read partition table [ 1423.225534][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.227509][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.229315][T10975] nbd5: unable to read partition table 00:23:43 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1423.283479][T11231] nbd5: detected capacity change from 0 to 2050 [ 1423.301762][T11232] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.334513][T11235] block nbd5: shutting down sockets [ 1423.340576][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.342663][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.344368][T10975] nbd5: unable to read partition table [ 1423.347434][T10975] ldm_validate_partition_table(): Disk read failed. [ 1423.349344][T10975] Dev nbd5: unable to read RDB block 0 [ 1423.353252][T10975] nbd5: unable to read partition table 00:23:43 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) [ 1423.402583][T11237] nbd5: detected capacity change from 0 to 2050 [ 1423.404305][T11238] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.524163][T11241] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.632104][T11244] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.742051][T11247] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1423.832102][T11250] block nbd0: shutting down sockets 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:43 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:44 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1424.739688][T11160] block nbd2: Possible stuck request 0000000028c53b88: control (read@0,4096B). Runtime 2 seconds [ 1425.336657][T11178] block nbd2: shutting down sockets [ 1425.340382][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1425.342834][ T5725] Dev nbd2: unable to read RDB block 0 [ 1425.344574][ T5725] nbd2: unable to read partition table [ 1425.347820][T11183] ldm_validate_partition_table(): Disk read failed. [ 1425.349700][T11183] Dev nbd2: unable to read RDB block 0 [ 1425.351365][T11183] nbd2: unable to read partition table [ 1425.354039][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1425.356238][ T5725] Dev nbd2: unable to read RDB block 0 [ 1425.358163][ T5725] nbd2: unable to read partition table 00:23:45 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1425.430599][T11266] nbd2: detected capacity change from 0 to 2050 [ 1425.442889][T11186] block nbd3: shutting down sockets [ 1425.450664][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1425.452474][ T5558] Dev nbd3: unable to read RDB block 0 [ 1425.454043][ T5558] nbd3: unable to read partition table [ 1425.457188][T11191] ldm_validate_partition_table(): Disk read failed. [ 1425.459302][T11191] Dev nbd3: unable to read RDB block 0 [ 1425.461233][T11191] nbd3: unable to read partition table 00:23:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1425.468823][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1425.472732][ T5558] Dev nbd3: unable to read RDB block 0 [ 1425.474383][ T5558] nbd3: unable to read partition table 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1425.530307][T11273] nbd3: detected capacity change from 0 to 2050 [ 1425.549942][T11275] block nbd0: shutting down sockets [ 1425.567809][T11193] block nbd4: shutting down sockets [ 1425.574905][T10996] ldm_validate_partition_table(): Disk read failed. [ 1425.576865][T10996] Dev nbd4: unable to read RDB block 0 [ 1425.578433][T10996] nbd4: unable to read partition table [ 1425.583900][T11201] ldm_validate_partition_table(): Disk read failed. [ 1425.585998][T11201] Dev nbd4: unable to read RDB block 0 [ 1425.587810][T11201] nbd4: unable to read partition table [ 1425.591216][T10996] ldm_validate_partition_table(): Disk read failed. [ 1425.595644][T10996] Dev nbd4: unable to read RDB block 0 [ 1425.598621][T10996] nbd4: unable to read partition table 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:23:45 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1425.660033][T11279] block nbd0: shutting down sockets [ 1425.660534][T11280] nbd4: detected capacity change from 0 to 2050 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1425.710499][T11283] block nbd0: shutting down sockets [ 1425.716162][T11206] block nbd1: shutting down sockets [ 1425.726098][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1425.730360][ T4890] Dev nbd1: unable to read RDB block 0 [ 1425.733822][ T4890] nbd1: unable to read partition table [ 1425.736687][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1425.738668][ T4890] Dev nbd1: unable to read RDB block 0 [ 1425.740647][ T4890] nbd1: unable to read partition table [ 1425.743681][T11203] ldm_validate_partition_table(): Disk read failed. [ 1425.746185][T11203] Dev nbd1: unable to read RDB block 0 [ 1425.748012][T11203] nbd1: unable to read partition table 00:23:45 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:23:45 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1425.831082][T11287] nbd0: detected capacity change from 0 to 2050 [ 1425.831812][T11288] nbd1: detected capacity change from 0 to 2050 [ 1426.380143][T11237] block nbd5: shutting down sockets [ 1426.384994][T10975] ldm_validate_partition_table(): Disk read failed. [ 1426.387048][T10975] Dev nbd5: unable to read RDB block 0 [ 1426.388844][T10975] nbd5: unable to read partition table 00:23:46 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) [ 1426.401656][T10975] ldm_validate_partition_table(): Disk read failed. [ 1426.403822][T10975] Dev nbd5: unable to read RDB block 0 [ 1426.405617][T10975] nbd5: unable to read partition table [ 1426.440776][T11292] nbd5: detected capacity change from 0 to 2050 [ 1426.612610][ T2133] block nbd0: Receive control failed (result -104) [ 1426.613506][T11287] block nbd0: shutting down sockets [ 1426.617192][T10996] udevd: attempt to access beyond end of device [ 1426.617192][T10996] nbd0: rw=0, sector=0, nr_sectors = 8 limit=0 [ 1426.622899][T10996] ldm_validate_partition_table(): Disk read failed. [ 1426.624559][T10996] Dev nbd0: unable to read RDB block 0 [ 1426.625930][T10996] nbd0: unable to read partition table [ 1426.627229][T10996] nbd0: partition table beyond EOD, truncated 00:23:46 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1426.690242][T11294] nbd0: detected capacity change from 0 to 2050 [ 1427.486651][ T2133] block nbd0: Receive control failed (result -104) [ 1428.082855][T11160] block nbd2: Possible stuck request 00000000ec7169e2: control (read@0,4096B). Runtime 2 seconds [ 1428.373600][T11266] block nbd2: shutting down sockets [ 1428.375147][ C1] blk_print_req_error: 957 callbacks suppressed [ 1428.375159][ C1] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.378647][ C1] buffer_io_error: 958 callbacks suppressed [ 1428.378657][ C1] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.382296][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.384541][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.386550][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.389393][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.391520][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.393601][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.395502][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.397664][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.399762][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.401687][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.403930][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.405985][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.407740][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.409904][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.411807][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1428.413442][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.415582][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.418004][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1428.420319][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1428.425896][ T5725] Dev nbd2: unable to read RDB block 0 [ 1428.427575][ T5725] nbd2: unable to read partition table [ 1428.430981][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1428.433114][ T5725] Dev nbd2: unable to read RDB block 0 [ 1428.434801][ T5725] nbd2: unable to read partition table [ 1428.437949][T11271] ldm_validate_partition_table(): Disk read failed. [ 1428.440431][T11271] Dev nbd2: unable to read RDB block 0 [ 1428.442374][T11271] nbd2: unable to read partition table 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.479302][T11273] block nbd3: shutting down sockets [ 1428.494016][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1428.496105][ T6737] Dev nbd3: unable to read RDB block 0 [ 1428.498047][ T6737] nbd3: unable to read partition table [ 1428.500236][T11297] block nbd2: shutting down sockets [ 1428.502530][T11276] ldm_validate_partition_table(): Disk read failed. [ 1428.506598][T11276] Dev nbd3: unable to read RDB block 0 [ 1428.510666][T11276] nbd3: unable to read partition table [ 1428.517331][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1428.528684][ T6737] Dev nbd3: unable to read RDB block 0 [ 1428.532564][ T6737] nbd3: unable to read partition table 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1428.601341][T11301] nbd3: detected capacity change from 0 to 2050 [ 1428.601390][T11299] block nbd2: shutting down sockets 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.621470][T11280] block nbd4: shutting down sockets [ 1428.631841][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1428.636108][ T5558] Dev nbd4: unable to read RDB block 0 [ 1428.637865][ T5558] nbd4: unable to read partition table [ 1428.642066][T11284] ldm_validate_partition_table(): Disk read failed. [ 1428.644149][T11284] Dev nbd4: unable to read RDB block 0 [ 1428.646102][T11284] nbd4: unable to read partition table [ 1428.648853][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1428.651482][ T5558] Dev nbd4: unable to read RDB block 0 [ 1428.653487][ T5558] nbd4: unable to read partition table 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.660702][T11303] block nbd2: shutting down sockets 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.720335][T11306] block nbd4: shutting down sockets 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.776732][T11288] block nbd1: shutting down sockets [ 1428.783313][ T4890] ldm_validate_partition_table(): Disk read failed. 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.795785][ T4890] Dev nbd1: unable to read RDB block 0 [ 1428.798070][ T4890] nbd1: unable to read partition table [ 1428.804446][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1428.807527][ T4890] Dev nbd1: unable to read RDB block 0 [ 1428.810148][T11315] block nbd4: shutting down sockets 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.840444][ T4890] nbd1: unable to read partition table [ 1428.847326][T11290] ldm_validate_partition_table(): Disk read failed. [ 1428.852192][T11290] Dev nbd1: unable to read RDB block 0 [ 1428.854003][T11290] nbd1: unable to read partition table 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.890129][T11320] block nbd4: shutting down sockets 00:23:48 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1428.951235][T11325] block nbd1: shutting down sockets 00:23:48 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:48 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1429.021235][T11333] block nbd1: shutting down sockets [ 1429.022221][T11337] block nbd2: shutting down sockets 00:23:49 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1429.131979][T11342] block nbd1: shutting down sockets 00:23:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1429.163740][T11348] block nbd2: shutting down sockets 00:23:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:23:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1429.282410][T11358] block nbd2: shutting down sockets 00:23:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1429.302373][T11359] block nbd4: shutting down sockets [ 1429.409233][T11292] block nbd5: shutting down sockets [ 1429.412563][T10975] ldm_validate_partition_table(): Disk read failed. [ 1429.414530][T10975] Dev nbd5: unable to read RDB block 0 [ 1429.416254][T10975] nbd5: unable to read partition table [ 1429.419199][T10975] ldm_validate_partition_table(): Disk read failed. [ 1429.421212][T10975] Dev nbd5: unable to read RDB block 0 [ 1429.422898][T10975] nbd5: unable to read partition table 00:23:49 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1431.553611][T11301] block nbd3: shutting down sockets [ 1431.557302][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1431.559107][ T5725] Dev nbd3: unable to read RDB block 0 [ 1431.561392][ T5725] nbd3: unable to read partition table [ 1431.564801][T11304] ldm_validate_partition_table(): Disk read failed. [ 1431.566756][T11304] Dev nbd3: unable to read RDB block 0 [ 1431.568386][T11304] nbd3: unable to read partition table [ 1431.572091][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1431.574028][ T5725] Dev nbd3: unable to read RDB block 0 [ 1431.575616][ T5725] nbd3: unable to read partition table 00:24:16 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) 00:24:16 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:24:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:24:16 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:16 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:16 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1456.710587][T11372] block nbd3: shutting down sockets [ 1456.730238][T11373] nbd5: detected capacity change from 0 to 2050 00:24:16 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:16 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1456.764661][T11376] block nbd4: shutting down sockets 00:24:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:24:16 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:16 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:16 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1456.871259][T11380] block nbd3: shutting down sockets [ 1456.900967][T11386] nbd2: detected capacity change from 0 to 2050 00:24:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1456.953022][T11389] block nbd4: shutting down sockets [ 1456.954565][T11388] block nbd2: shutting down sockets [ 1456.956739][ C1] blk_print_req_error: 292 callbacks suppressed [ 1456.956763][ C1] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.960265][ C1] buffer_io_error: 292 callbacks suppressed [ 1456.960276][ C1] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.963988][T11391] block nbd1: shutting down sockets [ 1456.966295][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.968590][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.970764][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.972917][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.974906][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.977230][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.979245][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.982092][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.984089][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.986255][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.988230][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.990332][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.990630][T11390] block nbd3: shutting down sockets [ 1456.992206][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1456.995189][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1456.996878][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1456.998461][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1457.000755][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1457.003593][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1457.006022][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1457.008022][ T6737] Dev nbd2: unable to read RDB block 0 [ 1457.010637][ T6737] nbd2: unable to read partition table [ 1457.022055][T11392] ldm_validate_partition_table(): Disk read failed. 00:24:17 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.027451][T11392] Dev nbd2: unable to read RDB block 0 [ 1457.031657][T11392] nbd2: unable to read partition table 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:24:17 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.042504][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1457.054705][ T6737] Dev nbd2: unable to read RDB block 0 [ 1457.057524][ T6737] nbd2: unable to read partition table 00:24:17 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1457.147943][T11400] nbd2: detected capacity change from 0 to 2050 00:24:17 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) sendmsg$alg(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1457.192583][T11412] block nbd1: shutting down sockets [ 1457.192906][T11411] block nbd2: shutting down sockets 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r5, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1457.204185][T10975] ldm_validate_partition_table(): Disk read failed. [ 1457.208444][T10975] Dev nbd2: unable to read RDB block 0 [ 1457.212798][T10975] nbd2: unable to read partition table [ 1457.218362][T10975] ldm_validate_partition_table(): Disk read failed. [ 1457.221944][T11408] nbd4: detected capacity change from 0 to 2050 00:24:17 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.228009][T10975] Dev nbd2: unable to read RDB block 0 [ 1457.235820][T10975] nbd2: unable to read partition table [ 1457.244662][T11411] ldm_validate_partition_table(): Disk read failed. 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r5, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1457.248864][T11411] Dev nbd2: unable to read RDB block 0 [ 1457.256325][T11411] nbd2: unable to read partition table [ 1457.283336][T11420] block nbd4: shutting down sockets 00:24:17 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.288982][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1457.294394][ T5725] Dev nbd4: unable to read RDB block 0 [ 1457.298605][ T5725] nbd4: unable to read partition table [ 1457.304136][T11408] ldm_validate_partition_table(): Disk read failed. 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r5, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1457.309380][T11408] Dev nbd4: unable to read RDB block 0 [ 1457.317763][T11408] nbd4: unable to read partition table [ 1457.321970][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1457.327537][ T5725] Dev nbd4: unable to read RDB block 0 [ 1457.329964][ T5725] nbd4: unable to read partition table 00:24:17 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1457.360990][T11421] nbd2: detected capacity change from 0 to 2050 [ 1457.363522][T11426] block nbd1: shutting down sockets [ 1457.381045][T11425] nbd4: detected capacity change from 0 to 2050 00:24:17 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:17 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.411298][T11431] block nbd2: shutting down sockets [ 1457.414681][T10975] ldm_validate_partition_table(): Disk read failed. [ 1457.416586][T10975] Dev nbd2: unable to read RDB block 0 [ 1457.418529][T10975] nbd2: unable to read partition table [ 1457.425192][T10975] ldm_validate_partition_table(): Disk read failed. [ 1457.428821][T10975] Dev nbd2: unable to read RDB block 0 [ 1457.430958][T10975] nbd2: unable to read partition table [ 1457.432688][T11434] block nbd4: shutting down sockets [ 1457.442755][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1457.445437][T11421] ldm_validate_partition_table(): Disk read failed. 00:24:17 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1457.448348][T11421] Dev nbd2: unable to read RDB block 0 [ 1457.449456][ T5725] Dev nbd4: unable to read RDB block 0 [ 1457.450501][T11421] nbd2: unable to read partition table [ 1457.453556][ T5725] nbd4: unable to read partition table [ 1457.457011][T11425] ldm_validate_partition_table(): Disk read failed. [ 1457.459931][T11425] Dev nbd4: unable to read RDB block 0 [ 1457.461731][T11425] nbd4: unable to read partition table [ 1457.464375][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1457.466393][ T5725] Dev nbd4: unable to read RDB block 0 [ 1457.473527][ T5725] nbd4: unable to read partition table [ 1457.475396][T11436] block nbd3: shutting down sockets [ 1458.025800][ T2134] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 1458.028217][ T2134] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 1458.030812][ T2134] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 1458.033564][ T2134] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 1458.035561][ T2134] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 1458.037353][ T2134] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 1458.113059][T11439] chnl_net:caif_netlink_parms(): no params data found [ 1458.140554][T11439] bridge0: port 1(bridge_slave_0) entered blocking state [ 1458.142279][T11439] bridge0: port 1(bridge_slave_0) entered disabled state [ 1458.143950][T11439] bridge_slave_0: entered allmulticast mode [ 1458.145864][T11439] bridge_slave_0: entered promiscuous mode [ 1458.148656][T11439] bridge0: port 2(bridge_slave_1) entered blocking state [ 1458.150480][T11439] bridge0: port 2(bridge_slave_1) entered disabled state [ 1458.152154][T11439] bridge_slave_1: entered allmulticast mode [ 1458.154371][T11439] bridge_slave_1: entered promiscuous mode [ 1458.167236][T11439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1458.171405][T11439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1458.183767][T11439] team0: Port device team_slave_0 added [ 1458.188000][T11439] team0: Port device team_slave_1 added [ 1458.198311][T11439] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1458.200093][T11439] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1458.205910][T11439] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1458.209376][T11439] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1458.211071][T11439] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1458.216914][T11439] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1458.271976][T11439] hsr_slave_0: entered promiscuous mode [ 1458.309984][T11439] hsr_slave_1: entered promiscuous mode [ 1458.339632][T11439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1458.341386][T11439] Cannot create hsr debugfs directory [ 1458.395964][T11439] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1458.464855][T11439] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1458.513205][T11439] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1458.556590][T11439] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1458.717392][T11439] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1458.741774][T11439] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1458.781403][T11439] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1458.823065][T11439] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1458.871796][T11439] bridge0: port 2(bridge_slave_1) entered blocking state [ 1458.873544][T11439] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1458.875697][T11439] bridge0: port 1(bridge_slave_0) entered blocking state [ 1458.877316][T11439] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1458.904498][T11439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1458.913707][ T6183] bridge0: port 1(bridge_slave_0) entered disabled state [ 1458.916387][ T6183] bridge0: port 2(bridge_slave_1) entered disabled state [ 1458.926880][T11439] 8021q: adding VLAN 0 to HW filter on device team0 [ 1458.933083][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 1458.934900][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1458.942324][ T6183] bridge0: port 2(bridge_slave_1) entered blocking state [ 1458.944345][ T6183] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1459.029463][T11439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1459.052743][T11439] veth0_vlan: entered promiscuous mode [ 1459.057145][T11439] veth1_vlan: entered promiscuous mode [ 1459.073604][T11439] veth0_macvtap: entered promiscuous mode [ 1459.076984][T11439] veth1_macvtap: entered promiscuous mode [ 1459.085117][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.087462][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.090808][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.093063][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.095230][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.097590][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.100569][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.102909][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.105026][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.107766][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.110103][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1459.112340][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.115791][T11439] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1459.122001][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.124489][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.127018][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.129400][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.132030][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.134314][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.136645][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.138929][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.141677][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.144071][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.146212][T11439] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1459.148556][T11439] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1459.152266][T11439] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1459.155773][T11439] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1459.157698][T11439] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1459.160075][T11439] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1459.162015][T11439] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1459.200842][ T7349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1459.202609][ T7349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1459.218254][ T7349] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1459.221083][ T7349] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1459.669476][T11373] block nbd5: shutting down sockets [ 1459.671944][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1459.673752][ T4890] Dev nbd5: unable to read RDB block 0 [ 1459.675408][ T4890] nbd5: unable to read partition table [ 1459.678338][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1459.681865][ T4890] Dev nbd5: unable to read RDB block 0 [ 1459.683524][ T4890] nbd5: unable to read partition table 00:24:19 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:19 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:19 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:24:19 executing program 0: openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x0, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1459.740425][T11455] nbd4: detected capacity change from 0 to 2050 [ 1459.760342][T11460] nbd2: detected capacity change from 0 to 2050 [ 1459.762502][T11457] nbd1: detected capacity change from 0 to 2050 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1459.793575][T11469] block nbd4: shutting down sockets [ 1459.795881][T10975] ldm_validate_partition_table(): Disk read failed. [ 1459.798225][T10975] Dev nbd4: unable to read RDB block 0 [ 1459.801694][T10975] nbd4: unable to read partition table [ 1459.805190][T10975] ldm_validate_partition_table(): Disk read failed. [ 1459.807430][T10975] Dev nbd4: unable to read RDB block 0 [ 1459.809356][T10975] nbd4: unable to read partition table 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1459.819289][T11455] ldm_validate_partition_table(): Disk read failed. [ 1459.822356][T11470] block nbd2: shutting down sockets [ 1459.827854][T11455] Dev nbd4: unable to read RDB block 0 [ 1459.827858][T11473] block nbd3: shutting down sockets [ 1459.828145][T11471] block nbd1: shutting down sockets [ 1459.830008][T11455] nbd4: unable to read partition table [ 1459.841689][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1459.843912][ T6737] Dev nbd1: unable to read RDB block 0 [ 1459.847516][ T6737] nbd1: unable to read partition table [ 1459.848330][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1459.851448][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1459.853329][ T6737] Dev nbd1: unable to read RDB block 0 [ 1459.855129][ T6737] nbd1: unable to read partition table 00:24:19 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1459.869002][ T4890] Dev nbd2: unable to read RDB block 0 [ 1459.871132][ T4890] nbd2: unable to read partition table [ 1459.873046][T11457] ldm_validate_partition_table(): Disk read failed. [ 1459.873682][T11460] ldm_validate_partition_table(): Disk read failed. [ 1459.879140][T11460] Dev nbd2: unable to read RDB block 0 [ 1459.881651][T11457] Dev nbd1: unable to read RDB block 0 [ 1459.888920][T11457] nbd1: unable to read partition table [ 1459.890360][T11460] nbd2: unable to read partition table [ 1459.894018][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1459.900212][ T4890] Dev nbd2: unable to read RDB block 0 [ 1459.901957][ T4890] nbd2: unable to read partition table 00:24:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 00:24:19 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:19 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1459.961002][T11476] nbd4: detected capacity change from 0 to 2050 00:24:19 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1459.980203][T11481] nbd2: detected capacity change from 0 to 2050 [ 1460.000538][T11484] nbd1: detected capacity change from 0 to 2050 [ 1460.016020][T11487] block nbd4: shutting down sockets [ 1460.018566][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.021409][T11488] block nbd3: shutting down sockets [ 1460.022993][ T5725] Dev nbd4: unable to read RDB block 0 [ 1460.025158][ T5725] nbd4: unable to read partition table [ 1460.034885][T11489] block nbd2: shutting down sockets [ 1460.036234][T11476] ldm_validate_partition_table(): Disk read failed. 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1460.043837][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.043927][T11476] Dev nbd4: unable to read RDB block 0 [ 1460.047340][T11476] nbd4: unable to read partition table [ 1460.055821][T10975] Dev nbd2: unable to read RDB block 0 [ 1460.057142][T11490] block nbd1: shutting down sockets 00:24:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r5) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:24:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.069108][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.071676][T10975] nbd2: unable to read partition table [ 1460.073961][ T4890] Dev nbd1: unable to read RDB block 0 [ 1460.075496][ T4890] nbd1: unable to read partition table [ 1460.078548][T11489] ldm_validate_partition_table(): Disk read failed. [ 1460.078709][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.080673][T15082] Bluetooth: hci6: command 0x0409 tx timeout [ 1460.083945][ T5725] Dev nbd4: unable to read RDB block 0 [ 1460.085866][ T5725] nbd4: unable to read partition table [ 1460.091943][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.097833][T11489] Dev nbd2: unable to read RDB block 0 [ 1460.100680][ T4890] Dev nbd1: unable to read RDB block 0 [ 1460.101564][T11489] nbd2: unable to read partition table [ 1460.104237][ T4890] nbd1: unable to read partition table [ 1460.114790][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.119356][T11484] ldm_validate_partition_table(): Disk read failed. [ 1460.122595][T10975] Dev nbd2: unable to read RDB block 0 [ 1460.124450][T11484] Dev nbd1: unable to read RDB block 0 [ 1460.126428][T11484] nbd1: unable to read partition table 00:24:20 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.138931][T10975] nbd2: unable to read partition table 00:24:20 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.150309][T11496] nbd4: detected capacity change from 0 to 2050 00:24:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r5) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1460.173004][T11501] block nbd5: shutting down sockets [ 1460.190452][T11500] nbd1: detected capacity change from 0 to 2050 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:24:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r4, &(0x7f0000000380)=""/191, 0xbf) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r5) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1460.208482][T11506] block nbd4: shutting down sockets [ 1460.211227][T11503] nbd2: detected capacity change from 0 to 2050 [ 1460.226681][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.228673][ T5725] Dev nbd4: unable to read RDB block 0 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1460.236226][ T5725] nbd4: unable to read partition table [ 1460.241956][T11509] block nbd1: shutting down sockets [ 1460.245260][T11496] ldm_validate_partition_table(): Disk read failed. 00:24:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) sendmsg$alg(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r7 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r7, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2, 0x0, r4}) r8 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r8, 0x125d) [ 1460.249898][T11496] Dev nbd4: unable to read RDB block 0 [ 1460.257830][T11496] nbd4: unable to read partition table [ 1460.262625][T11511] block nbd2: shutting down sockets [ 1460.266456][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.268805][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.270143][ T5725] Dev nbd4: unable to read RDB block 0 00:24:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.279435][ T5725] nbd4: unable to read partition table [ 1460.280825][T10975] Dev nbd1: unable to read RDB block 0 [ 1460.281681][T10975] nbd1: unable to read partition table [ 1460.294818][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.301758][ T4890] Dev nbd2: unable to read RDB block 0 [ 1460.303647][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.304677][ T4890] nbd2: unable to read partition table [ 1460.308362][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.311655][ T4890] Dev nbd2: unable to read RDB block 0 [ 1460.313421][ T4890] nbd2: unable to read partition table [ 1460.316143][T11503] ldm_validate_partition_table(): Disk read failed. [ 1460.316854][T10975] Dev nbd1: unable to read RDB block 0 [ 1460.320745][T11516] nbd4: detected capacity change from 0 to 2050 [ 1460.323850][T11503] Dev nbd2: unable to read RDB block 0 [ 1460.325774][T11503] nbd2: unable to read partition table 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$alg(r3, &(0x7f0000000380)=""/191, 0xbf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1460.340184][T10975] nbd1: unable to read partition table [ 1460.347865][T11500] ldm_validate_partition_table(): Disk read failed. [ 1460.350474][T11515] nbd3: detected capacity change from 0 to 2050 [ 1460.355638][T11500] Dev nbd1: unable to read RDB block 0 [ 1460.357369][T11500] nbd1: unable to read partition table 00:24:20 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 00:24:20 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.376913][T11519] block nbd4: shutting down sockets [ 1460.382219][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.386799][ T5725] Dev nbd4: unable to read RDB block 0 [ 1460.388615][ T5725] nbd4: unable to read partition table [ 1460.397419][T11516] ldm_validate_partition_table(): Disk read failed. [ 1460.401131][T11516] Dev nbd4: unable to read RDB block 0 [ 1460.405212][T11516] nbd4: unable to read partition table [ 1460.412126][T11526] block nbd3: shutting down sockets [ 1460.413077][ T5725] ldm_validate_partition_table(): Disk read failed. 00:24:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.422444][T11523] nbd2: detected capacity change from 0 to 2050 [ 1460.423058][ T5725] Dev nbd4: unable to read RDB block 0 [ 1460.429333][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.430864][ T5725] nbd4: unable to read partition table [ 1460.432459][ T4890] Dev nbd3: unable to read RDB block 0 [ 1460.434482][ T4890] nbd3: unable to read partition table [ 1460.437648][T11515] ldm_validate_partition_table(): Disk read failed. [ 1460.443442][T11515] Dev nbd3: unable to read RDB block 0 [ 1460.447556][T11515] nbd3: unable to read partition table [ 1460.452621][T11529] block nbd5: shutting down sockets [ 1460.454172][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.456813][ T4890] Dev nbd3: unable to read RDB block 0 [ 1460.458696][ T4890] nbd3: unable to read partition table [ 1460.461624][T11525] nbd1: detected capacity change from 0 to 2050 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r2, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1460.474404][T11530] block nbd2: shutting down sockets [ 1460.490707][T11528] nbd4: detected capacity change from 0 to 2050 00:24:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) [ 1460.494581][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.496640][T10975] Dev nbd2: unable to read RDB block 0 [ 1460.499138][T10975] nbd2: unable to read partition table [ 1460.505484][T11523] ldm_validate_partition_table(): Disk read failed. [ 1460.508395][T11523] Dev nbd2: unable to read RDB block 0 [ 1460.511992][T11523] nbd2: unable to read partition table [ 1460.515083][T11535] block nbd1: shutting down sockets [ 1460.518171][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.518471][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.522068][T10975] Dev nbd2: unable to read RDB block 0 [ 1460.524279][ T5725] Dev nbd1: unable to read RDB block 0 [ 1460.526199][ T5725] nbd1: unable to read partition table [ 1460.526658][T10975] nbd2: unable to read partition table [ 1460.531602][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.534690][ T5725] Dev nbd1: unable to read RDB block 0 [ 1460.536895][ T5725] nbd1: unable to read partition table [ 1460.540246][T11535] ldm_validate_partition_table(): Disk read failed. [ 1460.545852][T11536] block nbd4: shutting down sockets 00:24:20 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.547533][T11535] Dev nbd1: unable to read RDB block 0 [ 1460.550316][T11534] nbd3: detected capacity change from 0 to 2050 [ 1460.550767][T11535] nbd1: unable to read partition table [ 1460.559247][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1460.568336][ T6737] Dev nbd4: unable to read RDB block 0 [ 1460.572625][ T6737] nbd4: unable to read partition table [ 1460.576414][T11538] block nbd5: shutting down sockets 00:24:20 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1460.582308][T11528] ldm_validate_partition_table(): Disk read failed. [ 1460.586627][T11528] Dev nbd4: unable to read RDB block 0 [ 1460.588655][T11528] nbd4: unable to read partition table [ 1460.597734][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:20 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1460.606472][ T6737] Dev nbd4: unable to read RDB block 0 [ 1460.608130][ T6737] nbd4: unable to read partition table [ 1460.611081][T11542] block nbd3: shutting down sockets [ 1460.616149][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.620817][ T4890] Dev nbd3: unable to read RDB block 0 [ 1460.635834][ T4890] nbd3: unable to read partition table [ 1460.639427][T11534] ldm_validate_partition_table(): Disk read failed. [ 1460.640214][T11540] nbd2: detected capacity change from 0 to 2050 [ 1460.642197][T11541] nbd1: detected capacity change from 0 to 2050 [ 1460.645744][T11534] Dev nbd3: unable to read RDB block 0 [ 1460.647854][T11534] nbd3: unable to read partition table [ 1460.655470][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1460.659035][ T4890] Dev nbd3: unable to read RDB block 0 [ 1460.661269][ T4890] nbd3: unable to read partition table [ 1460.691439][T11545] block nbd2: shutting down sockets [ 1460.698092][T11546] block nbd1: shutting down sockets [ 1460.700079][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.702372][ T5725] Dev nbd2: unable to read RDB block 0 [ 1460.704178][ T5725] nbd2: unable to read partition table [ 1460.707312][T11547] block nbd5: shutting down sockets [ 1460.709042][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.709376][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1460.711755][T10975] Dev nbd1: unable to read RDB block 0 [ 1460.715043][T10975] nbd1: unable to read partition table [ 1460.717346][T11546] ldm_validate_partition_table(): Disk read failed. [ 1460.722449][T11546] Dev nbd1: unable to read RDB block 0 [ 1460.722817][ T5725] Dev nbd2: unable to read RDB block 0 [ 1460.724137][T11546] nbd1: unable to read partition table [ 1460.726237][ T5725] nbd2: unable to read partition table [ 1460.730705][T11540] ldm_validate_partition_table(): Disk read failed. [ 1460.730925][T10975] ldm_validate_partition_table(): Disk read failed. [ 1460.734986][T11540] Dev nbd2: unable to read RDB block 0 [ 1460.736336][T10975] Dev nbd1: unable to read RDB block 0 [ 1460.739148][T11540] nbd2: unable to read partition table [ 1460.740788][T10975] nbd1: unable to read partition table [ 1462.159671][T17300] Bluetooth: hci6: command 0x041b tx timeout [ 1464.250006][T17300] Bluetooth: hci6: command 0x040f tx timeout [ 1466.319799][T17300] Bluetooth: hci6: command 0x0419 tx timeout [ 1477.600280][ T2226] ieee802154 phy0 wpan0: encryption failed: -22 [ 1477.601782][ T2226] ieee802154 phy1 wpan1: encryption failed: -22 [ 1487.859668][ T5721] udevd[5721]: worker [10996] /devices/virtual/block/nbd0 is taking a long time 00:24:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:24:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:49 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 00:24:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:49 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:49 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1489.770240][T11563] nbd1: detected capacity change from 0 to 2050 [ 1489.771440][T11560] nbd2: detected capacity change from 0 to 2050 [ 1489.772318][T11558] nbd4: detected capacity change from 0 to 2050 [ 1489.780351][T11561] nbd3: detected capacity change from 0 to 2050 [ 1489.821564][T11564] block nbd5: shutting down sockets [ 1489.823184][T11565] block nbd2: shutting down sockets [ 1489.824647][T11566] block nbd1: shutting down sockets [ 1489.825520][T11567] block nbd4: shutting down sockets [ 1489.828952][ C0] blk_print_req_error: 1193 callbacks suppressed [ 1489.828965][ C0] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.832652][ C0] buffer_io_error: 1193 callbacks suppressed [ 1489.832662][ C0] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.837225][T11568] block nbd3: shutting down sockets [ 1489.839173][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.841896][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.844029][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.846350][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.848514][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.850922][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.853147][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.855426][ C0] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.857553][ C0] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1489.859363][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.859419][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.861539][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.865254][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.867138][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.869114][ C1] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1489.869140][ C1] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1489.871334][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1489.873079][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1489.875027][T10975] ldm_validate_partition_table(): Disk read failed. [ 1489.879524][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1489.885045][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1489.887854][ T5725] Dev nbd2: unable to read RDB block 0 [ 1489.889321][T10975] Dev nbd1: unable to read RDB block 0 [ 1489.889684][ T5725] nbd2: unable to read partition table [ 1489.893349][T11570] ldm_validate_partition_table(): Disk read failed. [ 1489.893440][ T4890] ldm_validate_partition_table(): Disk read failed. 00:24:49 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1489.897180][ T4890] Dev nbd3: unable to read RDB block 0 [ 1489.898883][T10975] nbd1: unable to read partition table [ 1489.899039][ T4890] nbd3: unable to read partition table [ 1489.900580][T11570] Dev nbd2: unable to read RDB block 0 [ 1489.904072][ T6737] Dev nbd4: unable to read RDB block 0 [ 1489.905806][ T6737] nbd4: unable to read partition table [ 1489.907675][T11570] nbd2: unable to read partition table [ 1489.907960][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1489.910821][ T4890] Dev nbd3: unable to read RDB block 0 [ 1489.912503][ T4890] nbd3: unable to read partition table [ 1489.915865][T11563] ldm_validate_partition_table(): Disk read failed. [ 1489.917820][T11563] Dev nbd1: unable to read RDB block 0 [ 1489.917944][T11569] ldm_validate_partition_table(): Disk read failed. [ 1489.919397][T11563] nbd1: unable to read partition table [ 1489.921988][T11561] ldm_validate_partition_table(): Disk read failed. [ 1489.929433][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:49 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1489.933063][T10975] Dev nbd1: unable to read RDB block 0 [ 1489.934825][T10975] nbd1: unable to read partition table [ 1489.935026][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1489.942316][T11561] Dev nbd3: unable to read RDB block 0 [ 1489.945866][T11569] Dev nbd4: unable to read RDB block 0 [ 1489.951669][T11561] nbd3: unable to read partition table [ 1489.954886][ T5725] Dev nbd2: unable to read RDB block 0 [ 1489.957840][T11569] nbd4: unable to read partition table 00:24:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1489.968304][ T5725] nbd2: unable to read partition table [ 1489.978207][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1489.983841][ T6737] Dev nbd4: unable to read RDB block 0 [ 1489.988714][ T6737] nbd4: unable to read partition table [ 1489.991002][T11573] nbd1: detected capacity change from 0 to 2050 00:24:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000400)={@map=r3, 0x2e, 0x0, 0x0, &(0x7f0000000300)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0}, 0x40) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r6 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r6, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r7 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r7, 0x125d) 00:24:49 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.040790][T11576] nbd4: detected capacity change from 0 to 2050 [ 1490.042389][T11581] block nbd1: shutting down sockets [ 1490.046127][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.048191][ T5725] Dev nbd1: unable to read RDB block 0 [ 1490.050056][ T5725] nbd1: unable to read partition table [ 1490.053113][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.054347][T11580] nbd2: detected capacity change from 0 to 2050 [ 1490.055127][ T5725] Dev nbd1: unable to read RDB block 0 [ 1490.057765][ T5725] nbd1: unable to read partition table [ 1490.063168][T11579] nbd3: detected capacity change from 0 to 2050 [ 1490.064960][T11581] ldm_validate_partition_table(): Disk read failed. [ 1490.066972][T11581] Dev nbd1: unable to read RDB block 0 [ 1490.068763][T11581] nbd1: unable to read partition table 00:24:50 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.085301][T11582] block nbd5: shutting down sockets [ 1490.094548][T11585] block nbd4: shutting down sockets [ 1490.099225][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1490.105507][T11586] block nbd2: shutting down sockets [ 1490.107040][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.112100][T10975] nbd4: unable to read partition table [ 1490.115255][T11588] block nbd3: shutting down sockets [ 1490.116506][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.120578][T11584] nbd1: detected capacity change from 0 to 2050 [ 1490.122225][T11576] ldm_validate_partition_table(): Disk read failed. [ 1490.127631][ T4890] Dev nbd2: unable to read RDB block 0 [ 1490.129459][T11576] Dev nbd4: unable to read RDB block 0 [ 1490.130118][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1490.132983][T11576] nbd4: unable to read partition table [ 1490.136023][ T4890] nbd2: unable to read partition table [ 1490.137280][ T6737] Dev nbd3: unable to read RDB block 0 [ 1490.141453][T11580] ldm_validate_partition_table(): Disk read failed. [ 1490.147891][ T6737] nbd3: unable to read partition table 00:24:50 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.150763][T11580] Dev nbd2: unable to read RDB block 0 [ 1490.152534][T11580] nbd2: unable to read partition table [ 1490.155770][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.156894][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.157841][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1490.159248][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.162255][T10975] nbd4: unable to read partition table [ 1490.164999][ T4890] Dev nbd2: unable to read RDB block 0 [ 1490.172389][T11592] block nbd1: shutting down sockets [ 1490.176189][ T6737] Dev nbd3: unable to read RDB block 0 [ 1490.179321][ T4890] nbd2: unable to read partition table [ 1490.184075][ T6737] nbd3: unable to read partition table [ 1490.192860][T11579] ldm_validate_partition_table(): Disk read failed. [ 1490.196217][T11579] Dev nbd3: unable to read RDB block 0 [ 1490.198342][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.206261][T11579] nbd3: unable to read partition table 00:24:50 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.209134][ T5725] Dev nbd1: unable to read RDB block 0 [ 1490.211991][ T5725] nbd1: unable to read partition table [ 1490.213434][T11593] block nbd5: shutting down sockets [ 1490.217820][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.219923][ T5725] Dev nbd1: unable to read RDB block 0 [ 1490.224569][ T5725] nbd1: unable to read partition table [ 1490.229997][T11584] ldm_validate_partition_table(): Disk read failed. [ 1490.238349][T11584] Dev nbd1: unable to read RDB block 0 [ 1490.241079][T11591] nbd4: detected capacity change from 0 to 2050 [ 1490.241210][T11584] nbd1: unable to read partition table 00:24:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1490.250359][T11595] nbd2: detected capacity change from 0 to 2050 00:24:50 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 00:24:50 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.291915][T11598] nbd3: detected capacity change from 0 to 2050 [ 1490.294368][T11602] block nbd4: shutting down sockets [ 1490.298101][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.300022][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.302379][T11603] block nbd2: shutting down sockets [ 1490.310133][T10975] nbd4: unable to read partition table [ 1490.310213][T11601] nbd1: detected capacity change from 0 to 2050 [ 1490.314427][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.314496][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.316190][ T5725] Dev nbd2: unable to read RDB block 0 [ 1490.317954][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.320100][ T5725] nbd2: unable to read partition table [ 1490.322634][T11595] ldm_validate_partition_table(): Disk read failed. [ 1490.325119][T11595] Dev nbd2: unable to read RDB block 0 [ 1490.326957][T10975] nbd4: unable to read partition table [ 1490.327086][T11595] nbd2: unable to read partition table [ 1490.333074][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.333377][T11591] ldm_validate_partition_table(): Disk read failed. [ 1490.335347][ T5725] Dev nbd2: unable to read RDB block 0 [ 1490.336360][T11591] Dev nbd4: unable to read RDB block 0 [ 1490.337950][ T5725] nbd2: unable to read partition table [ 1490.338929][T11591] nbd4: unable to read partition table [ 1490.342671][T11605] block nbd5: shutting down sockets [ 1490.348155][T11604] block nbd3: shutting down sockets 00:24:50 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:50 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1490.370829][T11606] block nbd1: shutting down sockets [ 1490.381643][ T4890] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.401709][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1490.405640][ T4890] Dev nbd3: unable to read RDB block 0 [ 1490.411776][ T4890] nbd3: unable to read partition table [ 1490.415396][ T6737] Dev nbd1: unable to read RDB block 0 [ 1490.417541][ T6737] nbd1: unable to read partition table [ 1490.417943][T11598] ldm_validate_partition_table(): Disk read failed. [ 1490.421685][T11601] ldm_validate_partition_table(): Disk read failed. [ 1490.423336][T11598] Dev nbd3: unable to read RDB block 0 [ 1490.424153][T11601] Dev nbd1: unable to read RDB block 0 [ 1490.425184][T11598] nbd3: unable to read partition table [ 1490.426458][T11601] nbd1: unable to read partition table [ 1490.430928][T11608] nbd2: detected capacity change from 0 to 2050 [ 1490.434491][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.440149][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.442779][ T6737] Dev nbd1: unable to read RDB block 0 [ 1490.445833][ T4890] Dev nbd3: unable to read RDB block 0 [ 1490.447907][ T4890] nbd3: unable to read partition table [ 1490.449026][ T6737] nbd1: unable to read partition table [ 1490.451120][T11612] nbd4: detected capacity change from 0 to 2050 00:24:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1490.484465][T11617] block nbd2: shutting down sockets [ 1490.484740][T11618] block nbd5: shutting down sockets [ 1490.488899][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.493306][ T5725] Dev nbd2: unable to read RDB block 0 [ 1490.494890][ T5725] nbd2: unable to read partition table [ 1490.497189][T11608] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1490.504569][T11619] block nbd4: shutting down sockets [ 1490.505001][T11608] Dev nbd2: unable to read RDB block 0 [ 1490.507658][T11608] nbd2: unable to read partition table [ 1490.509770][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.511529][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.513124][T10975] nbd4: unable to read partition table [ 1490.517019][T11612] ldm_validate_partition_table(): Disk read failed. [ 1490.518324][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.520673][T11614] nbd1: detected capacity change from 0 to 2050 [ 1490.520787][ T5725] Dev nbd2: unable to read RDB block 0 [ 1490.523732][ T5725] nbd2: unable to read partition table [ 1490.529062][T11612] Dev nbd4: unable to read RDB block 0 [ 1490.533204][T11612] nbd4: unable to read partition table 00:24:50 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.541657][T11621] nbd3: detected capacity change from 0 to 2050 [ 1490.543419][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.546378][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.548649][T10975] nbd4: unable to read partition table 00:24:50 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.580171][T11627] block nbd1: shutting down sockets [ 1490.580776][T11624] nbd2: detected capacity change from 0 to 2050 [ 1490.585800][T11616] block nbd3: shutting down sockets [ 1490.588595][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.591665][ T4890] Dev nbd1: unable to read RDB block 0 [ 1490.593341][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.594748][ T4890] nbd1: unable to read partition table [ 1490.595430][ T5725] Dev nbd3: unable to read RDB block 0 [ 1490.598046][ T5725] nbd3: unable to read partition table [ 1490.598709][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.602091][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.604119][ T5725] Dev nbd3: unable to read RDB block 0 [ 1490.605921][ T5725] nbd3: unable to read partition table [ 1490.608956][T11616] ldm_validate_partition_table(): Disk read failed. [ 1490.611317][T11616] Dev nbd3: unable to read RDB block 0 [ 1490.613047][ T4890] Dev nbd1: unable to read RDB block 0 [ 1490.613323][T11616] nbd3: unable to read partition table [ 1490.614905][ T4890] nbd1: unable to read partition table [ 1490.619499][T11614] ldm_validate_partition_table(): Disk read failed. [ 1490.629818][T11614] Dev nbd1: unable to read RDB block 0 [ 1490.633986][T11628] block nbd5: shutting down sockets 00:24:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1490.641082][T11630] block nbd2: shutting down sockets [ 1490.641348][T11614] nbd1: unable to read partition table [ 1490.642817][T11629] nbd4: detected capacity change from 0 to 2050 [ 1490.650018][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1490.662642][ T6737] Dev nbd2: unable to read RDB block 0 00:24:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.669400][ T6737] nbd2: unable to read partition table [ 1490.676025][T11624] ldm_validate_partition_table(): Disk read failed. [ 1490.683848][T11624] Dev nbd2: unable to read RDB block 0 [ 1490.687894][T11624] nbd2: unable to read partition table [ 1490.689735][T11626] block nbd4: shutting down sockets [ 1490.694051][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.703366][ T6737] Dev nbd2: unable to read RDB block 0 [ 1490.707114][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.710707][T11632] nbd3: detected capacity change from 0 to 2050 [ 1490.711005][ T6737] nbd2: unable to read partition table [ 1490.713837][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.718871][T10975] nbd4: unable to read partition table [ 1490.720574][T11635] nbd1: detected capacity change from 0 to 2050 [ 1490.726446][T11626] ldm_validate_partition_table(): Disk read failed. [ 1490.730078][T11626] Dev nbd4: unable to read RDB block 0 [ 1490.733453][T11626] nbd4: unable to read partition table [ 1490.737255][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.739250][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.742158][T10975] nbd4: unable to read partition table [ 1490.761195][T11638] nbd2: detected capacity change from 0 to 2050 00:24:50 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.767502][T11640] block nbd3: shutting down sockets [ 1490.773121][T11642] block nbd5: shutting down sockets [ 1490.778176][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.779992][T11644] block nbd1: shutting down sockets [ 1490.795939][ T5725] Dev nbd3: unable to read RDB block 0 [ 1490.797843][ T5725] nbd3: unable to read partition table [ 1490.801446][T11632] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1490.804608][T11632] Dev nbd3: unable to read RDB block 0 [ 1490.807550][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1490.816511][T11645] block nbd2: shutting down sockets [ 1490.818852][T11632] nbd3: unable to read partition table [ 1490.822588][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1490.823665][ T5558] Dev nbd1: unable to read RDB block 0 [ 1490.826506][ T5725] Dev nbd3: unable to read RDB block 0 [ 1490.829437][ T5725] nbd3: unable to read partition table [ 1490.829795][ T5558] nbd1: unable to read partition table [ 1490.835594][ T5558] nbd1: partition table beyond EOD, truncated [ 1490.846048][ T4890] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) 00:24:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.866088][ T4890] Dev nbd2: unable to read RDB block 0 [ 1490.870123][T11648] nbd4: detected capacity change from 0 to 2050 [ 1490.875269][ T4890] nbd2: unable to read partition table [ 1490.898239][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1490.905837][T11643] block nbd4: shutting down sockets [ 1490.911286][ T4890] Dev nbd2: unable to read RDB block 0 [ 1490.914164][ T4890] nbd2: unable to read partition table [ 1490.918710][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.921161][T11651] nbd1: detected capacity change from 0 to 2050 [ 1490.926566][T11638] ldm_validate_partition_table(): Disk read failed. [ 1490.928751][T11638] Dev nbd2: unable to read RDB block 0 [ 1490.932280][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.933963][T17300] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 1490.934099][T10975] nbd4: unable to read partition table [ 1490.937254][T17300] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 1490.939470][T17300] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 1490.944029][T11652] nbd3: detected capacity change from 0 to 2050 [ 1490.945600][T11638] nbd2: unable to read partition table [ 1490.947344][T11655] block nbd5: shutting down sockets [ 1490.948900][T10975] ldm_validate_partition_table(): Disk read failed. [ 1490.948910][ T2134] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 1490.952900][ T2134] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 1490.956425][ T2134] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 1490.971757][T10975] Dev nbd4: unable to read RDB block 0 [ 1490.973597][T10975] nbd4: unable to read partition table [ 1490.975295][T11656] block nbd1: shutting down sockets 00:24:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1490.986759][T11643] ldm_validate_partition_table(): Disk read failed. 00:24:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1490.994614][T11643] Dev nbd4: unable to read RDB block 0 [ 1490.996421][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.000608][ T5725] Dev nbd1: unable to read RDB block 0 [ 1491.002153][ T5725] nbd1: unable to read partition table [ 1491.003758][ T5725] nbd1: partition table beyond EOD, truncated [ 1491.005629][T11657] block nbd3: shutting down sockets [ 1491.007126][T11643] nbd4: unable to read partition table 00:24:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.035141][ T5558] ldm_validate_partition_table(): Disk read failed. 00:24:51 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.055670][ T5558] Dev nbd3: unable to read RDB block 0 [ 1491.070299][ T5558] nbd3: unable to read partition table [ 1491.076019][T11652] ldm_validate_partition_table(): Disk read failed. [ 1491.083512][T11652] Dev nbd3: unable to read RDB block 0 [ 1491.087416][T11652] nbd3: unable to read partition table [ 1491.094495][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1491.097495][ T5558] Dev nbd3: unable to read RDB block 0 [ 1491.099403][ T5558] nbd3: unable to read partition table [ 1491.104114][T11662] nbd2: detected capacity change from 0 to 2050 [ 1491.106430][T11663] nbd1: detected capacity change from 0 to 2050 [ 1491.106656][T11669] block nbd5: shutting down sockets [ 1491.110226][T11666] nbd4: detected capacity change from 0 to 2050 [ 1491.131579][T11653] chnl_net:caif_netlink_parms(): no params data found 00:24:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1491.157485][T11674] block nbd2: shutting down sockets [ 1491.167822][T11676] block nbd4: shutting down sockets 00:24:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.174113][T11677] block nbd1: shutting down sockets [ 1491.178052][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1491.182847][T10975] ldm_validate_partition_table(): Disk read failed. [ 1491.184363][T10975] Dev nbd2: unable to read RDB block 0 [ 1491.185574][T10975] nbd2: unable to read partition table [ 1491.186874][T10975] nbd2: partition table beyond EOD, truncated [ 1491.190031][T11653] bridge0: port 1(bridge_slave_0) entered blocking state [ 1491.191674][T11653] bridge0: port 1(bridge_slave_0) entered disabled state [ 1491.193302][T11653] bridge_slave_0: entered allmulticast mode [ 1491.194046][ T4890] Dev nbd4: unable to read RDB block 0 [ 1491.195076][T11653] bridge_slave_0: entered promiscuous mode [ 1491.196499][ T4890] nbd4: unable to read partition table [ 1491.198243][T11653] bridge0: port 2(bridge_slave_1) entered blocking state [ 1491.201949][T11671] nbd3: detected capacity change from 0 to 2050 [ 1491.206001][T11666] ldm_validate_partition_table(): Disk read failed. [ 1491.209044][T11666] Dev nbd4: unable to read RDB block 0 [ 1491.209235][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.212259][ T5725] Dev nbd1: unable to read RDB block 0 [ 1491.215769][ T5725] nbd1: unable to read partition table [ 1491.217174][T11653] bridge0: port 2(bridge_slave_1) entered disabled state 00:24:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.221377][T11653] bridge_slave_1: entered allmulticast mode [ 1491.222929][ T5725] nbd1: partition table beyond EOD, truncated [ 1491.223658][T11666] nbd4: unable to read partition table [ 1491.225131][T11653] bridge_slave_1: entered promiscuous mode 00:24:51 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.252438][T11682] block nbd3: shutting down sockets [ 1491.258472][ T4890] ldm_validate_partition_table(): Disk read failed. 00:24:51 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.270002][ T4890] Dev nbd4: unable to read RDB block 0 [ 1491.278114][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1491.284065][ T4890] nbd4: unable to read partition table [ 1491.286371][ T6737] Dev nbd3: unable to read RDB block 0 [ 1491.288150][T11686] ldm_validate_partition_table(): Disk read failed. [ 1491.288240][ T6737] nbd3: unable to read partition table [ 1491.291332][T11687] block nbd5: shutting down sockets [ 1491.293624][T11671] ldm_validate_partition_table(): Disk read failed. [ 1491.295127][T11686] Dev nbd4: unable to read RDB block 0 [ 1491.295499][T11686] nbd4: unable to read partition table [ 1491.296971][T11671] Dev nbd3: unable to read RDB block 0 [ 1491.304839][T11671] nbd3: unable to read partition table [ 1491.315169][T11653] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1491.320410][T11685] nbd1: detected capacity change from 0 to 2050 [ 1491.322229][T11653] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1491.322253][T11681] nbd2: detected capacity change from 0 to 2050 [ 1491.329062][T11686] ldm_validate_partition_table(): Disk read failed. [ 1491.335916][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:51 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.342190][ T6737] Dev nbd3: unable to read RDB block 0 [ 1491.345187][T11686] Dev nbd4: unable to read RDB block 0 [ 1491.345932][T11653] team0: Port device team_slave_0 added [ 1491.347013][T11686] nbd4: unable to read partition table [ 1491.348465][ T6737] nbd3: unable to read partition table [ 1491.353554][T11653] team0: Port device team_slave_1 added 00:24:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1491.371475][T11689] block nbd1: shutting down sockets [ 1491.379492][T10975] ldm_validate_partition_table(): Disk read failed. [ 1491.383836][T11691] block nbd2: shutting down sockets [ 1491.390597][T10975] Dev nbd1: unable to read RDB block 0 [ 1491.395015][T10975] nbd1: unable to read partition table [ 1491.396523][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.398799][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1491.401932][T10975] nbd1: partition table beyond EOD, truncated [ 1491.405514][T11653] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1491.405783][ T5725] Dev nbd2: unable to read RDB block 0 [ 1491.408179][T11653] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1491.411172][ T4890] Dev nbd4: unable to read RDB block 0 [ 1491.414957][T11653] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1491.416330][ T5725] nbd2: unable to read partition table [ 1491.422080][ T5725] nbd2: partition table beyond EOD, truncated 00:24:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.436256][T11653] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1491.439221][T11653] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1491.446087][T11693] nbd3: detected capacity change from 0 to 2050 [ 1491.450113][ T4890] nbd4: unable to read partition table 00:24:51 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.455257][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1491.457034][T11653] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1491.460501][ T4890] Dev nbd4: unable to read RDB block 0 [ 1491.464658][ T4890] nbd4: unable to read partition table [ 1491.471102][T11686] ldm_validate_partition_table(): Disk read failed. [ 1491.472702][T11696] block nbd5: shutting down sockets [ 1491.474235][T11686] Dev nbd4: unable to read RDB block 0 [ 1491.481676][T11686] nbd4: unable to read partition table 00:24:51 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.500690][T11698] block nbd3: shutting down sockets 00:24:51 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.519483][T10975] ldm_validate_partition_table(): Disk read failed. [ 1491.520922][T11695] nbd2: detected capacity change from 0 to 2050 [ 1491.524379][T10975] Dev nbd3: unable to read RDB block 0 [ 1491.527699][T10975] nbd3: unable to read partition table [ 1491.530864][T11693] ldm_validate_partition_table(): Disk read failed. [ 1491.532976][T11693] Dev nbd3: unable to read RDB block 0 [ 1491.532995][T11699] nbd1: detected capacity change from 0 to 2050 [ 1491.535747][T11693] nbd3: unable to read partition table [ 1491.541749][T10975] ldm_validate_partition_table(): Disk read failed. [ 1491.543799][T10975] Dev nbd3: unable to read RDB block 0 [ 1491.545695][T10975] nbd3: unable to read partition table 00:24:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1491.560424][T11703] nbd4: detected capacity change from 0 to 2050 [ 1491.563389][T11653] hsr_slave_0: entered promiscuous mode [ 1491.571404][T11705] block nbd2: shutting down sockets [ 1491.575305][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.577675][ T5725] Dev nbd2: unable to read RDB block 0 [ 1491.579150][ T5725] nbd2: unable to read partition table [ 1491.581305][T11653] hsr_slave_1: entered promiscuous mode [ 1491.583463][ T5725] nbd2: partition table beyond EOD, truncated [ 1491.590433][T11707] block nbd1: shutting down sockets 00:24:51 executing program 2: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.597877][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1491.601461][T11708] block nbd5: shutting down sockets [ 1491.606506][ T4890] Dev nbd1: unable to read RDB block 0 [ 1491.608985][ T4890] nbd1: unable to read partition table [ 1491.611333][T11706] nbd3: detected capacity change from 0 to 2050 [ 1491.613847][T11709] block nbd4: shutting down sockets [ 1491.621093][ T4890] nbd1: partition table beyond EOD, truncated 00:24:51 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.630208][T11653] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1491.634917][T11653] Cannot create hsr debugfs directory [ 1491.642807][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:51 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.653318][ T6737] Dev nbd4: unable to read RDB block 0 [ 1491.663867][T11714] block nbd3: shutting down sockets [ 1491.670187][ T6737] nbd4: unable to read partition table [ 1491.681206][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.685497][T11711] nbd2: detected capacity change from 0 to 2050 [ 1491.691412][T11703] ldm_validate_partition_table(): Disk read failed. [ 1491.692967][ T5725] Dev nbd3: unable to read RDB block 0 [ 1491.697781][T11703] Dev nbd4: unable to read RDB block 0 [ 1491.698004][ T5725] nbd3: unable to read partition table [ 1491.701671][T11703] nbd4: unable to read partition table [ 1491.711548][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1491.713389][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.715335][ T5725] Dev nbd3: unable to read RDB block 0 [ 1491.717100][ T6737] Dev nbd4: unable to read RDB block 0 [ 1491.719106][ T5725] nbd3: unable to read partition table [ 1491.731764][ T6737] nbd4: unable to read partition table 00:24:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.737907][T11718] block nbd2: shutting down sockets [ 1491.739522][T11717] block nbd5: shutting down sockets [ 1491.744284][T11706] ldm_validate_partition_table(): Disk read failed. [ 1491.747751][T11706] Dev nbd3: unable to read RDB block 0 [ 1491.750748][T11719] nbd1: detected capacity change from 0 to 2050 [ 1491.755499][T10975] ldm_validate_partition_table(): Disk read failed. [ 1491.758914][T11653] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1491.760526][T11706] nbd3: unable to read partition table [ 1491.763530][T10975] Dev nbd2: unable to read RDB block 0 [ 1491.776595][T10975] nbd2: unable to read partition table [ 1491.783764][T10975] nbd2: partition table beyond EOD, truncated 00:24:51 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.795750][T11716] block nbd1: shutting down sockets 00:24:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1491.800458][T11721] nbd4: detected capacity change from 0 to 2050 00:24:51 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:24:51 executing program 2: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.822780][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1491.824373][ T4890] Dev nbd1: unable to read RDB block 0 [ 1491.851796][ T4890] nbd1: unable to read partition table [ 1491.853256][ T4890] nbd1: partition table beyond EOD, truncated [ 1491.862954][T11730] block nbd4: shutting down sockets [ 1491.870220][T11725] nbd3: detected capacity change from 0 to 2050 [ 1491.877562][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1491.878980][ T5725] Dev nbd4: unable to read RDB block 0 00:24:51 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:24:51 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.892170][T11653] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1491.898575][ T5725] nbd4: unable to read partition table [ 1491.905615][ T5725] nbd4: partition table beyond EOD, truncated [ 1491.921585][T11735] block nbd3: shutting down sockets 00:24:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.924570][T11728] nbd2: detected capacity change from 0 to 2050 [ 1491.944784][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:51 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1491.953636][T10975] Dev nbd3: unable to read RDB block 0 [ 1491.960352][T10975] nbd3: unable to read partition table [ 1491.968403][T11725] ldm_validate_partition_table(): Disk read failed. [ 1491.974378][T11738] block nbd2: shutting down sockets 00:24:51 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1491.977316][T11653] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1491.978841][T11725] Dev nbd3: unable to read RDB block 0 [ 1491.987560][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1491.989766][ T6737] Dev nbd2: unable to read RDB block 0 [ 1491.992869][ T6737] nbd2: unable to read partition table [ 1491.995251][T11737] nbd4: detected capacity change from 0 to 2050 [ 1491.998441][T11725] nbd3: unable to read partition table [ 1492.002382][ T6737] nbd2: partition table beyond EOD, truncated 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.031168][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:52 executing program 2: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.035420][T10975] Dev nbd3: unable to read RDB block 0 [ 1492.042795][T10975] nbd3: unable to read partition table [ 1492.046537][T11745] block nbd4: shutting down sockets 00:24:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.101865][ T5725] ldm_validate_partition_table(): Disk read failed. 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.117228][ T5725] Dev nbd4: unable to read RDB block 0 [ 1492.121617][ T5725] nbd4: unable to read partition table [ 1492.130865][T11750] nbd2: detected capacity change from 0 to 2050 [ 1492.133045][T11653] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1492.136494][ T5725] nbd4: partition table beyond EOD, truncated 00:24:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.160291][T11751] nbd3: detected capacity change from 0 to 2050 [ 1492.192017][T11757] block nbd2: shutting down sockets 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.199333][T10975] ldm_validate_partition_table(): Disk read failed. [ 1492.202736][T10975] Dev nbd2: unable to read RDB block 0 [ 1492.206503][T10975] nbd2: unable to read partition table [ 1492.208672][T10975] nbd2: partition table beyond EOD, truncated [ 1492.211571][T11759] block nbd3: shutting down sockets [ 1492.216814][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1492.220640][T11760] block nbd1: shutting down sockets [ 1492.238711][ T6737] Dev nbd3: unable to read RDB block 0 [ 1492.246486][ T6737] nbd3: unable to read partition table 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.261252][ T6737] ldm_validate_partition_table(): Disk read failed. 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.274310][ T6737] Dev nbd3: unable to read RDB block 0 00:24:52 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.289763][ T6737] nbd3: unable to read partition table [ 1492.292989][T11751] ldm_validate_partition_table(): Disk read failed. [ 1492.300309][T11751] Dev nbd3: unable to read RDB block 0 [ 1492.304370][T11751] nbd3: unable to read partition table 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:24:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.360336][T11769] nbd4: detected capacity change from 0 to 2050 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.407984][T11653] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1492.411420][T11778] block nbd4: shutting down sockets [ 1492.412530][T11779] block nbd1: shutting down sockets 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.417806][T10975] ldm_validate_partition_table(): Disk read failed. [ 1492.420095][T10975] Dev nbd4: unable to read RDB block 0 [ 1492.421500][T11775] nbd3: detected capacity change from 0 to 2050 [ 1492.422786][T10975] nbd4: unable to read partition table [ 1492.425566][T10975] nbd4: partition table beyond EOD, truncated [ 1492.441325][T11653] netdevsim netdevsim0 netdevsim1: renamed from eth1 00:24:52 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.472485][T11787] block nbd3: shutting down sockets [ 1492.482844][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1492.484901][ T5725] Dev nbd3: unable to read RDB block 0 [ 1492.486763][ T5725] nbd3: unable to read partition table [ 1492.490961][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1492.493017][ T5725] Dev nbd3: unable to read RDB block 0 [ 1492.494758][ T5725] nbd3: unable to read partition table [ 1492.500761][T11775] ldm_validate_partition_table(): Disk read failed. [ 1492.501662][T11653] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1492.504670][T11775] Dev nbd3: unable to read RDB block 0 [ 1492.508637][T11775] nbd3: unable to read partition table [ 1492.515434][T11790] nbd4: detected capacity change from 0 to 2050 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:24:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1492.542590][T11653] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1492.556321][T11795] block nbd2: shutting down sockets 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.567296][T11796] block nbd4: shutting down sockets 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.569410][T11797] block nbd1: shutting down sockets [ 1492.578436][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1492.580831][T11794] nbd3: detected capacity change from 0 to 2050 [ 1492.589886][ T4890] Dev nbd4: unable to read RDB block 0 [ 1492.591151][ T4890] nbd4: unable to read partition table [ 1492.593079][ T4890] nbd4: partition table beyond EOD, truncated 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:24:52 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.639856][T11802] block nbd3: shutting down sockets [ 1492.651188][T10975] ldm_validate_partition_table(): Disk read failed. [ 1492.654469][T10975] Dev nbd3: unable to read RDB block 0 [ 1492.656348][T10975] nbd3: unable to read partition table [ 1492.659243][T11794] ldm_validate_partition_table(): Disk read failed. [ 1492.662245][T11794] Dev nbd3: unable to read RDB block 0 [ 1492.664082][T11794] nbd3: unable to read partition table [ 1492.673087][T10975] ldm_validate_partition_table(): Disk read failed. [ 1492.675226][T10975] Dev nbd3: unable to read RDB block 0 [ 1492.676915][T10975] nbd3: unable to read partition table 00:24:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1492.707113][T11653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1492.708605][T11809] block nbd2: shutting down sockets [ 1492.723332][T11653] 8021q: adding VLAN 0 to HW filter on device team0 [ 1492.731870][T11806] block nbd5: shutting down sockets [ 1492.735140][ T6183] bridge0: port 1(bridge_slave_0) entered blocking state [ 1492.736761][ T6183] bridge0: port 1(bridge_slave_0) entered forwarding state 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.740786][T11808] nbd4: detected capacity change from 0 to 2050 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.761467][T11447] bridge0: port 2(bridge_slave_1) entered blocking state [ 1492.763104][T11447] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1492.776752][T11807] block nbd1: shutting down sockets [ 1492.791381][T11817] block nbd4: shutting down sockets 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.805460][T10975] ldm_validate_partition_table(): Disk read failed. [ 1492.809411][T10975] Dev nbd4: unable to read RDB block 0 [ 1492.811485][T11816] block nbd5: shutting down sockets [ 1492.817483][T11811] nbd3: detected capacity change from 0 to 2050 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1492.827440][T10975] nbd4: unable to read partition table [ 1492.833837][T10975] nbd4: partition table beyond EOD, truncated 00:24:52 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.864839][T11825] block nbd2: shutting down sockets [ 1492.868460][T11826] block nbd3: shutting down sockets [ 1492.881838][T11823] block nbd5: shutting down sockets [ 1492.885107][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1492.887193][ T4890] Dev nbd3: unable to read RDB block 0 [ 1492.892651][ T4890] nbd3: unable to read partition table [ 1492.904098][ T4890] ldm_validate_partition_table(): Disk read failed. 00:24:52 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1492.915292][ T4890] Dev nbd3: unable to read RDB block 0 [ 1492.917580][ T4890] nbd3: unable to read partition table [ 1492.920778][T11811] ldm_validate_partition_table(): Disk read failed. [ 1492.923469][T11811] Dev nbd3: unable to read RDB block 0 [ 1492.926148][T11811] nbd3: unable to read partition table 00:24:52 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.946639][T11830] block nbd1: shutting down sockets 00:24:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:24:52 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1492.993829][T11653] 8021q: adding VLAN 0 to HW filter on device batadv0 00:24:52 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.038767][T11653] veth0_vlan: entered promiscuous mode [ 1493.040955][ T1531] Bluetooth: hci7: command 0x0409 tx timeout [ 1493.044139][T11843] nbd3: detected capacity change from 0 to 2050 [ 1493.057559][T11653] veth1_vlan: entered promiscuous mode [ 1493.081053][T11653] veth0_macvtap: entered promiscuous mode [ 1493.085102][T11653] veth1_macvtap: entered promiscuous mode [ 1493.094790][T11846] block nbd2: shutting down sockets [ 1493.095515][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.098656][T11847] block nbd3: shutting down sockets [ 1493.099192][T11848] block nbd4: shutting down sockets [ 1493.103079][T10975] ldm_validate_partition_table(): Disk read failed. [ 1493.110997][T11849] block nbd1: shutting down sockets [ 1493.112268][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.114870][T10975] Dev nbd3: unable to read RDB block 0 [ 1493.116708][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.119406][T10975] nbd3: unable to read partition table [ 1493.125480][T11843] ldm_validate_partition_table(): Disk read failed. [ 1493.134315][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.138342][T11843] Dev nbd3: unable to read RDB block 0 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.141908][T11843] nbd3: unable to read partition table [ 1493.148786][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.159331][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.166517][T10975] ldm_validate_partition_table(): Disk read failed. [ 1493.168199][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.170943][T10975] Dev nbd3: unable to read RDB block 0 [ 1493.174964][T10975] nbd3: unable to read partition table 00:24:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1493.177379][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.187107][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.191755][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.194402][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.212575][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.214865][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1493.217252][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.220707][T11653] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1493.227932][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.231216][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.233452][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.235886][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.238046][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.240589][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.243008][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.245369][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.247537][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.250548][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.252825][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.255082][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.257326][T11653] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1493.259900][T11653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1493.263169][T11653] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1493.266808][T11653] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1493.268794][T11653] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1493.271149][T11653] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1493.271679][T11862] nbd3: detected capacity change from 0 to 2050 [ 1493.273099][T11653] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1493.275080][T11851] block nbd2: shutting down sockets [ 1493.291891][T11854] block nbd4: shutting down sockets [ 1493.316894][T11857] block nbd3: shutting down sockets 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.353918][T10975] ldm_validate_partition_table(): Disk read failed. [ 1493.358111][T10975] Dev nbd3: unable to read RDB block 0 [ 1493.365793][T10975] nbd3: unable to read partition table [ 1493.368156][ T5907] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1493.371559][T11857] ldm_validate_partition_table(): Disk read failed. [ 1493.373121][ T5907] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1493.377905][T11857] Dev nbd3: unable to read RDB block 0 [ 1493.383889][T11857] nbd3: unable to read partition table [ 1493.398901][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.410487][T10975] Dev nbd3: unable to read RDB block 0 [ 1493.416672][ T495] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1493.420822][ T495] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1493.422111][T10975] nbd3: unable to read partition table 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.513217][T11879] block nbd2: shutting down sockets [ 1493.515054][T11880] block nbd4: shutting down sockets 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.541979][T11874] nbd3: detected capacity change from 0 to 2050 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.595400][T11890] block nbd3: shutting down sockets 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.603607][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1493.605810][ T5725] Dev nbd3: unable to read RDB block 0 [ 1493.608583][ T5725] nbd3: unable to read partition table [ 1493.613679][T11874] ldm_validate_partition_table(): Disk read failed. [ 1493.618164][T11874] Dev nbd3: unable to read RDB block 0 [ 1493.622019][T11874] nbd3: unable to read partition table [ 1493.634375][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1493.636419][ T5725] Dev nbd3: unable to read RDB block 0 [ 1493.638360][ T5725] nbd3: unable to read partition table 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1493.654830][T11896] block nbd4: shutting down sockets 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.735998][T11900] nbd3: detected capacity change from 0 to 2050 [ 1493.761429][T11906] block nbd1: shutting down sockets 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.781636][T11909] block nbd3: shutting down sockets [ 1493.786590][T10975] ldm_validate_partition_table(): Disk read failed. [ 1493.788758][T10975] Dev nbd3: unable to read RDB block 0 [ 1493.789106][T11845] block nbd5: shutting down sockets [ 1493.794248][T10975] nbd3: unable to read partition table [ 1493.798954][T11900] ldm_validate_partition_table(): Disk read failed. [ 1493.802070][T11912] block nbd4: shutting down sockets [ 1493.808081][T11900] Dev nbd3: unable to read RDB block 0 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1493.814448][T11900] nbd3: unable to read partition table [ 1493.828317][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.841122][T10975] Dev nbd3: unable to read RDB block 0 00:24:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.847954][T10975] nbd3: unable to read partition table [ 1493.860684][T11915] block nbd1: shutting down sockets 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.920570][T11921] nbd3: detected capacity change from 0 to 2050 [ 1493.960319][T11924] block nbd1: shutting down sockets [ 1493.961969][T11928] block nbd4: shutting down sockets 00:24:53 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.976681][T11929] block nbd3: shutting down sockets [ 1493.988496][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:53 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.993332][T10975] Dev nbd3: unable to read RDB block 0 00:24:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1493.997825][T10975] nbd3: unable to read partition table [ 1494.022338][T10975] ldm_validate_partition_table(): Disk read failed. 00:24:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1494.026703][T10975] Dev nbd3: unable to read RDB block 0 [ 1494.031543][T10975] nbd3: unable to read partition table [ 1494.035185][T11921] ldm_validate_partition_table(): Disk read failed. [ 1494.042210][T11921] Dev nbd3: unable to read RDB block 0 [ 1494.045109][T11921] nbd3: unable to read partition table 00:24:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:24:54 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1494.080454][T11934] nbd1: detected capacity change from 0 to 2050 00:24:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1494.140612][T11940] block nbd2: shutting down sockets [ 1494.142579][T11941] nbd3: detected capacity change from 0 to 2050 00:24:54 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:24:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1494.193927][T11951] block nbd3: shutting down sockets 00:24:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1494.207336][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1494.211655][ T4890] Dev nbd3: unable to read RDB block 0 [ 1494.214708][ T4890] nbd3: unable to read partition table [ 1494.220793][T11948] block nbd2: shutting down sockets [ 1494.222815][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1494.226281][ T4890] Dev nbd3: unable to read RDB block 0 [ 1494.232354][ T4890] nbd3: unable to read partition table [ 1494.239127][T11951] ldm_validate_partition_table(): Disk read failed. [ 1494.245598][T11951] Dev nbd3: unable to read RDB block 0 [ 1494.250984][T11951] nbd3: unable to read partition table [ 1494.679360][T17300] block nbd5: Receive control failed (result -32) [ 1494.679815][T11916] block nbd5: shutting down sockets [ 1495.119752][T17300] Bluetooth: hci7: command 0x041b tx timeout [ 1497.017593][T11934] block nbd1: shutting down sockets [ 1497.019056][ C1] blk_print_req_error: 2183 callbacks suppressed [ 1497.019067][ C1] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.022670][ C1] buffer_io_error: 2183 callbacks suppressed [ 1497.022680][ C1] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.025927][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.028103][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.030033][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.032286][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.034151][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.036177][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.038136][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.040487][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.042467][ T81] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.044651][ T81] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.046626][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.048832][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.050931][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.053094][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.054986][T10975] ldm_validate_partition_table(): Disk read failed. [ 1497.056648][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.058700][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.060972][T11160] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1497.063082][T11160] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1497.065084][T10975] Dev nbd1: unable to read RDB block 0 [ 1497.066698][T10975] nbd1: unable to read partition table [ 1497.070758][T11944] ldm_validate_partition_table(): Disk read failed. [ 1497.072636][T11944] Dev nbd1: unable to read RDB block 0 [ 1497.074261][T11944] nbd1: unable to read partition table [ 1497.076774][T10975] ldm_validate_partition_table(): Disk read failed. [ 1497.078628][T10975] Dev nbd1: unable to read RDB block 0 [ 1497.080868][T10975] nbd1: unable to read partition table [ 1497.199734][T15082] Bluetooth: hci7: command 0x040f tx timeout [ 1499.279754][T15082] Bluetooth: hci7: command 0x0419 tx timeout 00:25:23 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:25:23 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1523.580946][T11962] block nbd2: shutting down sockets [ 1523.582059][T11959] nbd3: detected capacity change from 0 to 2050 [ 1523.599876][T11961] nbd1: detected capacity change from 0 to 2050 00:25:23 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1523.634293][T11972] block nbd3: shutting down sockets [ 1523.638111][ C0] blk_print_req_error: 43 callbacks suppressed [ 1523.638124][ C0] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.641926][ C0] buffer_io_error: 43 callbacks suppressed [ 1523.641936][ C0] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.645189][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.647754][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.650529][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.651038][T11969] nbd2: detected capacity change from 0 to 2050 [ 1523.653620][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.656712][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.659039][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.661433][T11971] block nbd4: shutting down sockets [ 1523.662945][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.665190][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.669969][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.672147][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.677298][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.680640][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1523.682598][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.684780][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.687002][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1523.688831][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.691595][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.693735][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1523.695942][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1523.698294][ T4890] Dev nbd3: unable to read RDB block 0 [ 1523.700453][ T4890] nbd3: unable to read partition table [ 1523.703589][T11959] ldm_validate_partition_table(): Disk read failed. [ 1523.706321][T11959] Dev nbd3: unable to read RDB block 0 [ 1523.708146][T11959] nbd3: unable to read partition table [ 1523.711186][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1523.713124][ T4890] Dev nbd3: unable to read RDB block 0 [ 1523.714803][ T4890] nbd3: unable to read partition table 00:25:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1523.760486][T11977] block nbd4: shutting down sockets [ 1523.770823][T11979] nbd3: detected capacity change from 0 to 2050 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1523.822205][T11982] block nbd3: shutting down sockets [ 1523.826177][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1523.828322][ T4890] Dev nbd3: unable to read RDB block 0 [ 1523.830632][ T4890] nbd3: unable to read partition table [ 1523.833521][T11979] ldm_validate_partition_table(): Disk read failed. [ 1523.835786][T11979] Dev nbd3: unable to read RDB block 0 [ 1523.837667][T11979] nbd3: unable to read partition table [ 1523.841996][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1523.844066][ T4890] Dev nbd3: unable to read RDB block 0 [ 1523.845886][ T4890] nbd3: unable to read partition table [ 1523.850089][T11981] block nbd4: shutting down sockets 00:25:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:25:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1523.930855][T11986] nbd4: detected capacity change from 0 to 2050 [ 1523.935105][T11984] nbd3: detected capacity change from 0 to 2050 [ 1523.986452][T11988] block nbd3: shutting down sockets [ 1523.989504][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1523.996013][ T6737] Dev nbd3: unable to read RDB block 0 [ 1523.997649][ T6737] nbd3: unable to read partition table [ 1524.002170][T11984] ldm_validate_partition_table(): Disk read failed. [ 1524.008627][T11984] Dev nbd3: unable to read RDB block 0 [ 1524.010851][T11984] nbd3: unable to read partition table [ 1524.015744][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.017703][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.019406][ T6737] nbd3: unable to read partition table 00:25:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.083080][T11990] nbd3: detected capacity change from 0 to 2050 [ 1524.132963][T11991] block nbd3: shutting down sockets [ 1524.137762][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.140436][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.142295][ T6737] nbd3: unable to read partition table [ 1524.145525][T11990] ldm_validate_partition_table(): Disk read failed. [ 1524.147584][T11990] Dev nbd3: unable to read RDB block 0 [ 1524.149306][T11990] nbd3: unable to read partition table [ 1524.156478][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.158394][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.160879][ T6737] nbd3: unable to read partition table 00:25:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.240531][T11994] nbd3: detected capacity change from 0 to 2050 [ 1524.288745][T11993] block nbd3: shutting down sockets [ 1524.312102][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.314300][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.316128][ T6737] nbd3: unable to read partition table [ 1524.318871][T11993] ldm_validate_partition_table(): Disk read failed. [ 1524.321695][T11993] Dev nbd3: unable to read RDB block 0 [ 1524.323483][T11993] nbd3: unable to read partition table [ 1524.326599][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.329003][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.331196][ T6737] nbd3: unable to read partition table 00:25:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.359861][T22210] block nbd5: Receive control failed (result -32) [ 1524.362706][T11963] block nbd5: shutting down sockets 00:25:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.390771][T11996] nbd3: detected capacity change from 0 to 2050 [ 1524.432247][T11998] nbd5: detected capacity change from 0 to 2050 [ 1524.441684][T11999] block nbd3: shutting down sockets [ 1524.445044][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.447112][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.448887][ T6737] nbd3: unable to read partition table [ 1524.451471][T11996] ldm_validate_partition_table(): Disk read failed. [ 1524.453395][T11996] Dev nbd3: unable to read RDB block 0 [ 1524.455124][T11996] nbd3: unable to read partition table [ 1524.457529][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.459369][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.461134][ T6737] nbd3: unable to read partition table 00:25:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1524.483537][T12000] block nbd5: shutting down sockets [ 1524.487145][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1524.491239][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.492923][ T5558] nbd5: unable to read partition table [ 1524.495869][T11998] ldm_validate_partition_table(): Disk read failed. [ 1524.497707][T11998] Dev nbd5: unable to read RDB block 0 [ 1524.499333][T11998] nbd5: unable to read partition table [ 1524.504611][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1524.506626][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.508403][ T5558] nbd5: unable to read partition table 00:25:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.550532][T12002] nbd3: detected capacity change from 0 to 2050 [ 1524.570319][T12004] nbd5: detected capacity change from 0 to 2050 [ 1524.602489][T12006] block nbd3: shutting down sockets [ 1524.614083][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.616080][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.617908][ T6737] nbd3: unable to read partition table [ 1524.621578][T12007] block nbd5: shutting down sockets [ 1524.625385][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.629762][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.634900][ T6737] nbd3: unable to read partition table [ 1524.635041][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1524.642705][T12002] ldm_validate_partition_table(): Disk read failed. [ 1524.647257][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.649115][ T5558] nbd5: unable to read partition table [ 1524.649463][T12002] Dev nbd3: unable to read RDB block 0 [ 1524.654501][T12002] nbd3: unable to read partition table [ 1524.654937][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1524.661083][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.664224][ T5558] nbd5: unable to read partition table [ 1524.670838][T12004] ldm_validate_partition_table(): Disk read failed. [ 1524.673590][T12004] Dev nbd5: unable to read RDB block 0 [ 1524.675492][T12004] nbd5: unable to read partition table 00:25:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1524.727906][ T1531] Bluetooth: hci8: unexpected cc 0x0c03 length: 249 > 1 [ 1524.730922][ T1531] Bluetooth: hci8: unexpected cc 0x1003 length: 249 > 9 [ 1524.733222][ T1531] Bluetooth: hci8: unexpected cc 0x1001 length: 249 > 9 [ 1524.736775][ T1531] Bluetooth: hci8: unexpected cc 0x0c23 length: 249 > 4 [ 1524.740421][ T1531] Bluetooth: hci8: unexpected cc 0x0c25 length: 249 > 3 [ 1524.743169][ T1531] Bluetooth: hci8: unexpected cc 0x0c38 length: 249 > 2 [ 1524.750684][T12009] nbd5: detected capacity change from 0 to 2050 [ 1524.770338][T12013] nbd3: detected capacity change from 0 to 2050 [ 1524.809645][T12016] block nbd5: shutting down sockets [ 1524.820225][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1524.828618][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.830430][T12018] block nbd3: shutting down sockets [ 1524.832611][ T5558] nbd5: unable to read partition table [ 1524.833330][T12010] chnl_net:caif_netlink_parms(): no params data found [ 1524.841176][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1524.842787][ T6737] Dev nbd3: unable to read RDB block 0 [ 1524.843001][T12009] ldm_validate_partition_table(): Disk read failed. [ 1524.844025][ T6737] nbd3: unable to read partition table [ 1524.844114][ T6737] nbd3: partition table beyond EOD, truncated [ 1524.850652][T12009] Dev nbd5: unable to read RDB block 0 [ 1524.853432][T12009] nbd5: unable to read partition table [ 1524.865955][ T5558] ldm_validate_partition_table(): Disk read failed. 00:25:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1524.877485][ T5558] Dev nbd5: unable to read RDB block 0 [ 1524.879411][ T5558] nbd5: unable to read partition table 00:25:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1524.925429][T12010] bridge0: port 1(bridge_slave_0) entered blocking state [ 1524.928220][T12010] bridge0: port 1(bridge_slave_0) entered disabled state [ 1524.930371][T12010] bridge_slave_0: entered allmulticast mode [ 1524.932530][T12010] bridge_slave_0: entered promiscuous mode [ 1524.936163][T12010] bridge0: port 2(bridge_slave_1) entered blocking state [ 1524.938265][T12010] bridge0: port 2(bridge_slave_1) entered disabled state [ 1524.940568][T12010] bridge_slave_1: entered allmulticast mode [ 1524.942645][T12010] bridge_slave_1: entered promiscuous mode [ 1524.958698][T12010] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1524.962544][T12025] nbd5: detected capacity change from 0 to 2050 [ 1524.964908][T12023] nbd3: detected capacity change from 0 to 2050 [ 1524.969192][T12010] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1524.985070][T12010] team0: Port device team_slave_0 added [ 1524.988835][T12010] team0: Port device team_slave_1 added [ 1525.002326][T12010] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1525.004041][T12010] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.010175][T12010] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1525.013598][T12026] block nbd5: shutting down sockets [ 1525.017546][T12010] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1525.019423][T12010] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.021131][T12027] block nbd3: shutting down sockets [ 1525.027446][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.028439][T12010] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1525.032016][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.034242][ T5558] nbd5: unable to read partition table [ 1525.041061][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.043118][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.044533][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.046094][ T6737] Dev nbd3: unable to read RDB block 0 [ 1525.047284][ T6737] nbd3: unable to read partition table [ 1525.048603][ T6737] nbd3: partition table beyond EOD, truncated [ 1525.051068][ T5558] nbd5: unable to read partition table [ 1525.054125][T12025] ldm_validate_partition_table(): Disk read failed. [ 1525.056137][T12025] Dev nbd5: unable to read RDB block 0 [ 1525.060422][T12025] nbd5: unable to read partition table 00:25:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1525.131556][T12010] hsr_slave_0: entered promiscuous mode [ 1525.133887][T12029] nbd5: detected capacity change from 0 to 2050 [ 1525.148643][T12031] nbd3: detected capacity change from 0 to 2050 [ 1525.169949][T12010] hsr_slave_1: entered promiscuous mode [ 1525.184579][T12032] block nbd5: shutting down sockets [ 1525.187181][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.190284][ T6737] Dev nbd5: unable to read RDB block 0 [ 1525.192255][ T6737] nbd5: unable to read partition table [ 1525.194951][T12029] ldm_validate_partition_table(): Disk read failed. [ 1525.196772][T12029] Dev nbd5: unable to read RDB block 0 [ 1525.198406][T12029] nbd5: unable to read partition table [ 1525.202465][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.204281][ T6737] Dev nbd5: unable to read RDB block 0 [ 1525.206615][ T6737] nbd5: unable to read partition table [ 1525.209102][T12033] block nbd3: shutting down sockets [ 1525.213267][T12010] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1525.215033][T12010] Cannot create hsr debugfs directory 00:25:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1525.225612][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.227165][ T5558] Dev nbd3: unable to read RDB block 0 [ 1525.228394][ T5558] nbd3: unable to read partition table [ 1525.233859][ T5558] nbd3: partition table beyond EOD, truncated 00:25:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1525.307082][T12035] nbd5: detected capacity change from 0 to 2050 [ 1525.311421][T12037] nbd3: detected capacity change from 0 to 2050 [ 1525.315365][T12010] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1525.357487][T12038] block nbd5: shutting down sockets [ 1525.361861][T12039] block nbd3: shutting down sockets [ 1525.368790][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.372657][ T6737] Dev nbd5: unable to read RDB block 0 [ 1525.375562][ T6737] nbd5: unable to read partition table [ 1525.382453][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.383344][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.383971][ T5558] Dev nbd3: unable to read RDB block 0 [ 1525.383991][ T5558] nbd3: unable to read partition table [ 1525.384079][ T5558] nbd3: partition table beyond EOD, [ 1525.387188][ T6737] Dev nbd5: unable to read RDB block 0 [ 1525.388045][ T5558] truncated [ 1525.402157][ T6737] nbd5: unable to read partition table 00:25:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1525.413186][T12035] ldm_validate_partition_table(): Disk read failed. [ 1525.417350][T12035] Dev nbd5: unable to read RDB block 0 [ 1525.421348][T12035] nbd5: unable to read partition table 00:25:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1525.456805][T12010] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1525.480694][T12041] nbd3: detected capacity change from 0 to 2050 [ 1525.518295][T12010] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1525.521554][T12043] nbd5: detected capacity change from 0 to 2050 [ 1525.531541][T12044] block nbd3: shutting down sockets [ 1525.543836][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.548061][ T6737] Dev nbd3: unable to read RDB block 0 [ 1525.552098][ T6737] nbd3: unable to read partition table [ 1525.555972][ T6737] nbd3: partition table beyond EOD, truncated 00:25:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1525.582307][T12045] block nbd5: shutting down sockets [ 1525.593235][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.599331][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.602688][T12010] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1525.607937][ T5558] nbd5: unable to read partition table [ 1525.620597][T12045] ldm_validate_partition_table(): Disk read failed. [ 1525.628028][T12045] Dev nbd5: unable to read RDB block 0 [ 1525.629887][T12045] nbd5: unable to read partition table 00:25:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1525.637103][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.649880][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.651586][ T5558] nbd5: unable to read partition table [ 1525.654063][T12047] nbd3: detected capacity change from 0 to 2050 [ 1525.693939][T12049] nbd5: detected capacity change from 0 to 2050 [ 1525.709478][T12050] block nbd3: shutting down sockets [ 1525.714070][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.716578][ T6737] Dev nbd3: unable to read RDB block 0 [ 1525.718301][ T6737] nbd3: unable to read partition table [ 1525.721242][T12047] ldm_validate_partition_table(): Disk read failed. [ 1525.723535][T12047] Dev nbd3: unable to read RDB block 0 [ 1525.725270][T12047] nbd3: unable to read partition table [ 1525.727658][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1525.729524][ T6737] Dev nbd3: unable to read RDB block 0 [ 1525.733704][ T6737] nbd3: unable to read partition table [ 1525.743874][T12052] block nbd5: shutting down sockets [ 1525.754464][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.761056][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.766620][ T5558] nbd5: unable to read partition table [ 1525.774087][T12049] ldm_validate_partition_table(): Disk read failed. [ 1525.777792][T12049] Dev nbd5: unable to read RDB block 0 [ 1525.784432][T12049] nbd5: unable to read partition table [ 1525.789029][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1525.792147][T12010] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1525.794634][ T5558] Dev nbd5: unable to read RDB block 0 [ 1525.796452][ T5558] nbd5: unable to read partition table [ 1525.841468][T12010] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1525.891357][T12010] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1525.937884][T12010] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1526.026421][T12010] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1526.036710][T12010] 8021q: adding VLAN 0 to HW filter on device team0 [ 1526.042918][ T6201] bridge0: port 1(bridge_slave_0) entered blocking state [ 1526.044581][ T6201] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1526.059455][T12010] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1526.062421][T12010] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1526.066809][ T6201] bridge0: port 2(bridge_slave_1) entered blocking state [ 1526.068395][ T6201] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1526.143531][T12010] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1526.171869][T12010] veth0_vlan: entered promiscuous mode [ 1526.176473][T12010] veth1_vlan: entered promiscuous mode [ 1526.194052][T12010] veth0_macvtap: entered promiscuous mode [ 1526.198017][T12010] veth1_macvtap: entered promiscuous mode [ 1526.205111][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.207408][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.209485][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.213446][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.215822][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.218129][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.221411][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.223766][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.225909][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.228327][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.230795][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.233237][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.235466][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.237746][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.241269][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1526.243664][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.246886][T12010] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1526.253970][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.256326][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.258614][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.261362][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.263728][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.265952][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.268073][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.270945][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.273222][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.275672][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.277905][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.281016][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.283874][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.286037][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.288252][T12010] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1526.291211][T12010] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1526.294280][T12010] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1526.299210][T12010] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1526.301658][T12010] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1526.303514][T12010] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1526.305409][T12010] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1526.341708][T30277] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1526.345367][T30277] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1526.361761][T30277] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1526.364154][T30277] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1526.515545][T11961] block nbd1: shutting down sockets [ 1526.521329][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.523254][T10975] Dev nbd1: unable to read RDB block 0 [ 1526.524944][T10975] nbd1: unable to read partition table [ 1526.527501][T11974] ldm_validate_partition_table(): Disk read failed. [ 1526.529473][T11974] Dev nbd1: unable to read RDB block 0 [ 1526.531361][T11974] nbd1: unable to read partition table [ 1526.537117][T10975] ldm_validate_partition_table(): Disk read failed. 00:25:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:26 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1526.550273][T10975] Dev nbd1: unable to read RDB block 0 [ 1526.551953][T10975] nbd1: unable to read partition table [ 1526.600295][T12062] nbd3: detected capacity change from 0 to 2050 [ 1526.602901][T12063] nbd5: detected capacity change from 0 to 2050 [ 1526.618665][T11969] block nbd2: shutting down sockets [ 1526.620315][T12066] nbd1: detected capacity change from 0 to 2050 [ 1526.623909][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1526.625900][ T5725] Dev nbd2: unable to read RDB block 0 [ 1526.627552][ T5725] nbd2: unable to read partition table [ 1526.635129][T11976] ldm_validate_partition_table(): Disk read failed. [ 1526.637110][T11976] Dev nbd2: unable to read RDB block 0 [ 1526.638897][T11976] nbd2: unable to read partition table [ 1526.644013][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1526.647181][ T5725] Dev nbd2: unable to read RDB block 0 [ 1526.650869][ T5725] nbd2: unable to read partition table 00:25:26 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1526.659942][T12068] block nbd3: shutting down sockets [ 1526.661593][T12069] block nbd5: shutting down sockets [ 1526.668886][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1526.674026][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.683224][ T6737] Dev nbd5: unable to read RDB block 0 [ 1526.686058][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.689207][ T6737] nbd5: unable to read partition table [ 1526.699874][T10975] nbd3: unable to read partition table [ 1526.703553][T12068] ldm_validate_partition_table(): Disk read failed. [ 1526.705713][T12068] Dev nbd3: unable to read RDB block 0 [ 1526.706426][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1526.707569][T12068] nbd3: unable to read partition table [ 1526.708943][ T6737] Dev nbd5: unable to read RDB block 0 [ 1526.717673][ T6737] nbd5: unable to read partition table 00:25:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1526.720852][T12073] nbd2: detected capacity change from 0 to 2050 [ 1526.725134][T12063] ldm_validate_partition_table(): Disk read failed. [ 1526.728194][T12063] Dev nbd5: unable to read RDB block 0 [ 1526.728459][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.734011][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.736350][T12063] nbd5: unable to read partition table [ 1526.747116][T10975] nbd3: unable to read partition table 00:25:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1526.767327][T12076] ldm_validate_partition_table(): Disk read failed. [ 1526.769966][T12076] Dev nbd3: unable to read RDB block 0 [ 1526.772809][T12076] nbd3: unable to read partition table [ 1526.777153][T12076] ldm_validate_partition_table(): Disk read failed. [ 1526.779091][T12076] Dev nbd3: unable to read RDB block 0 [ 1526.781895][T12076] nbd3: unable to read partition table [ 1526.799961][T15082] Bluetooth: hci8: command 0x0409 tx timeout [ 1526.811086][T12077] nbd5: detected capacity change from 0 to 2050 [ 1526.820414][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.822540][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.824391][T10975] nbd3: unable to read partition table [ 1526.827644][T12076] ldm_validate_partition_table(): Disk read failed. [ 1526.829845][T12076] Dev nbd3: unable to read RDB block 0 [ 1526.831627][T12076] nbd3: unable to read partition table [ 1526.834262][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.836482][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.838370][T10975] nbd3: unable to read partition table 00:25:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1526.861456][T12079] block nbd5: shutting down sockets [ 1526.865833][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1526.867990][ T6737] Dev nbd5: unable to read RDB block 0 [ 1526.870712][ T6737] nbd5: unable to read partition table [ 1526.873479][T12077] ldm_validate_partition_table(): Disk read failed. [ 1526.882064][T12077] Dev nbd5: unable to read RDB block 0 [ 1526.885087][T12077] nbd5: unable to read partition table [ 1526.888658][T11986] block nbd4: shutting down sockets [ 1526.891760][ T6737] ldm_validate_partition_table(): Disk read failed. 00:25:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1526.898236][ T6737] Dev nbd5: unable to read RDB block 0 [ 1526.900206][T12081] nbd3: detected capacity change from 0 to 2050 [ 1526.903322][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1526.907681][ T4890] Dev nbd4: unable to read RDB block 0 [ 1526.911241][ T6737] nbd5: unable to read partition table [ 1526.912913][ T4890] nbd4: unable to read partition table [ 1526.919826][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1526.926107][ T4890] Dev nbd4: unable to read RDB block 0 [ 1526.929391][ T4890] nbd4: unable to read partition table [ 1526.933533][T11987] ldm_validate_partition_table(): Disk read failed. [ 1526.936160][T11987] Dev nbd4: unable to read RDB block 0 [ 1526.938013][T11987] nbd4: unable to read partition table [ 1526.951633][T12084] block nbd3: shutting down sockets 00:25:26 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1526.960385][T12083] nbd5: detected capacity change from 0 to 2050 [ 1526.963450][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.970774][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.976493][T10975] nbd3: unable to read partition table [ 1526.982259][T12081] ldm_validate_partition_table(): Disk read failed. [ 1526.984705][T12081] Dev nbd3: unable to read RDB block 0 [ 1526.986641][T12081] nbd3: unable to read partition table [ 1526.990913][T10975] ldm_validate_partition_table(): Disk read failed. [ 1526.993129][T10975] Dev nbd3: unable to read RDB block 0 [ 1526.994977][T10975] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.020361][T12086] nbd4: detected capacity change from 0 to 2050 [ 1527.075137][T12089] nbd3: detected capacity change from 0 to 2050 [ 1527.121834][T12091] block nbd3: shutting down sockets [ 1527.124436][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.126603][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.128463][ T6737] nbd3: unable to read partition table [ 1527.141333][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.143216][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.144819][ T6737] nbd3: unable to read partition table [ 1527.148392][T12089] ldm_validate_partition_table(): Disk read failed. [ 1527.151017][T12089] Dev nbd3: unable to read RDB block 0 [ 1527.153124][T12089] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.220409][T12093] nbd3: detected capacity change from 0 to 2050 [ 1527.272786][T12094] block nbd3: shutting down sockets [ 1527.275569][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.278266][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.280541][ T6737] nbd3: unable to read partition table [ 1527.291539][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.293796][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.295791][ T6737] nbd3: unable to read partition table [ 1527.299152][T12093] ldm_validate_partition_table(): Disk read failed. [ 1527.309911][T12093] Dev nbd3: unable to read RDB block 0 [ 1527.313544][T12093] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(0x0, 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.410901][T12096] nbd3: detected capacity change from 0 to 2050 [ 1527.461557][T12097] block nbd3: shutting down sockets [ 1527.470807][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.472998][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.474776][ T6737] nbd3: unable to read partition table [ 1527.477659][T12096] ldm_validate_partition_table(): Disk read failed. [ 1527.480108][T12096] Dev nbd3: unable to read RDB block 0 [ 1527.481955][T12096] nbd3: unable to read partition table [ 1527.485341][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.487770][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.490224][ T6737] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(0x0, 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.565006][T12099] nbd3: detected capacity change from 0 to 2050 [ 1527.615610][T12100] block nbd3: shutting down sockets [ 1527.621768][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.626054][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.628595][ T6737] nbd3: unable to read partition table [ 1527.633223][T12099] ldm_validate_partition_table(): Disk read failed. [ 1527.637012][T12099] Dev nbd3: unable to read RDB block 0 [ 1527.638748][T12099] nbd3: unable to read partition table [ 1527.642709][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.644631][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.646260][ T6737] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(0x0, 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.730242][T12103] nbd3: detected capacity change from 0 to 2050 [ 1527.773817][T12102] block nbd3: shutting down sockets [ 1527.784792][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.786964][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.788827][ T6737] nbd3: unable to read partition table [ 1527.792350][T12102] ldm_validate_partition_table(): Disk read failed. [ 1527.794305][T12102] Dev nbd3: unable to read RDB block 0 [ 1527.796073][T12102] nbd3: unable to read partition table [ 1527.798705][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.801450][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.803254][ T6737] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1527.870897][T12105] nbd3: detected capacity change from 0 to 2050 [ 1527.925920][T12106] block nbd3: shutting down sockets [ 1527.928289][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.930695][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.932657][ T6737] nbd3: unable to read partition table [ 1527.935235][T12105] ldm_validate_partition_table(): Disk read failed. [ 1527.937200][T12105] Dev nbd3: unable to read RDB block 0 [ 1527.938896][T12105] nbd3: unable to read partition table [ 1527.950585][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1527.952604][ T6737] Dev nbd3: unable to read RDB block 0 [ 1527.954301][ T6737] nbd3: unable to read partition table 00:25:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1528.018106][T12108] nbd3: detected capacity change from 0 to 2050 [ 1528.069455][T12109] block nbd3: shutting down sockets [ 1528.071940][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.074353][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.076077][ T6737] nbd3: unable to read partition table [ 1528.078804][T12108] ldm_validate_partition_table(): Disk read failed. [ 1528.082210][T12108] Dev nbd3: unable to read RDB block 0 [ 1528.084093][T12108] nbd3: unable to read partition table [ 1528.088459][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.091416][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.093323][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1528.141114][T12111] nbd3: detected capacity change from 0 to 2050 [ 1528.191516][T12112] block nbd3: shutting down sockets [ 1528.201124][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.203232][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.204947][ T6737] nbd3: unable to read partition table [ 1528.208648][T12111] ldm_validate_partition_table(): Disk read failed. [ 1528.211178][T12111] Dev nbd3: unable to read RDB block 0 [ 1528.212954][T12111] nbd3: unable to read partition table [ 1528.215822][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.218472][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.220190][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1528.290328][T12114] nbd3: detected capacity change from 0 to 2050 [ 1528.341474][T12115] block nbd3: shutting down sockets [ 1528.344662][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.346589][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.348181][ T6737] nbd3: unable to read partition table [ 1528.358747][T12114] ldm_validate_partition_table(): Disk read failed. [ 1528.361125][T12114] Dev nbd3: unable to read RDB block 0 [ 1528.363135][T12114] nbd3: unable to read partition table [ 1528.366439][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.368312][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.370337][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1528.430493][T12117] nbd3: detected capacity change from 0 to 2050 [ 1528.488691][T12118] block nbd3: shutting down sockets [ 1528.491551][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.493995][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.495989][ T6737] nbd3: unable to read partition table [ 1528.499097][T12117] ldm_validate_partition_table(): Disk read failed. [ 1528.501520][T12117] Dev nbd3: unable to read RDB block 0 [ 1528.503441][T12117] nbd3: unable to read partition table [ 1528.507427][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.509693][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.511551][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1528.580651][T12120] nbd3: detected capacity change from 0 to 2050 [ 1528.631756][T12121] block nbd3: shutting down sockets [ 1528.638879][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.642571][ T81] blk_print_req_error: 1848 callbacks suppressed [ 1528.642584][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.646415][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.648987][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.651500][ T81] buffer_io_error: 1850 callbacks suppressed [ 1528.651510][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.654982][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.657342][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.659383][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.661566][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.663667][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.665627][T11160] I/O error, dev nbd3, sector 24 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.667895][T11160] Buffer I/O error on dev nbd3, logical block 3, async page read [ 1528.677733][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.680093][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.682038][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.684102][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.685923][ T6737] nbd3: unable to read partition table [ 1528.687923][T11160] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.690747][T11160] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.692790][ T81] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1528.694959][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.696992][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.698862][ T81] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1528.701384][T12120] ldm_validate_partition_table(): Disk read failed. [ 1528.703365][T12120] Dev nbd3: unable to read RDB block 0 [ 1528.705134][T12120] nbd3: unable to read partition table [ 1528.707496][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.710080][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.711696][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1528.780241][T12123] nbd3: detected capacity change from 0 to 2050 [ 1528.800191][T11160] block nbd2: Possible stuck request 000000001857af43: control (read@0,4096B). Runtime 2 seconds [ 1528.838523][T12124] block nbd3: shutting down sockets [ 1528.859297][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.862355][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.865179][ T6737] nbd3: unable to read partition table [ 1528.868465][T12123] ldm_validate_partition_table(): Disk read failed. [ 1528.871113][T12123] Dev nbd3: unable to read RDB block 0 [ 1528.872943][T12123] nbd3: unable to read partition table [ 1528.876409][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.878592][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.880544][ T2133] Bluetooth: hci8: command 0x041b tx timeout [ 1528.883265][ T6737] nbd3: unable to read partition table 00:25:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1528.931516][T12126] nbd3: detected capacity change from 0 to 2050 [ 1528.982698][T12127] block nbd3: shutting down sockets [ 1528.985311][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.987122][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.988814][ T6737] nbd3: unable to read partition table [ 1528.992050][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1528.993848][ T6737] Dev nbd3: unable to read RDB block 0 [ 1528.995437][ T6737] nbd3: unable to read partition table [ 1528.998712][T12126] ldm_validate_partition_table(): Disk read failed. [ 1529.000927][T12126] Dev nbd3: unable to read RDB block 0 [ 1529.003196][T12126] nbd3: unable to read partition table 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.070595][T12129] nbd3: detected capacity change from 0 to 2050 [ 1529.121398][T12130] block nbd3: shutting down sockets [ 1529.125362][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.127416][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.129231][ T6737] nbd3: unable to read partition table [ 1529.133553][T12129] ldm_validate_partition_table(): Disk read failed. [ 1529.135709][T12129] Dev nbd3: unable to read RDB block 0 [ 1529.137592][T12129] nbd3: unable to read partition table [ 1529.140407][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.143569][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.145186][ T6737] nbd3: unable to read partition table 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.210473][T12132] nbd3: detected capacity change from 0 to 2050 [ 1529.261593][T12133] block nbd3: shutting down sockets [ 1529.274845][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.277006][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.278692][ T6737] nbd3: unable to read partition table [ 1529.284841][T12132] ldm_validate_partition_table(): Disk read failed. [ 1529.286857][T12132] Dev nbd3: unable to read RDB block 0 [ 1529.288455][T12132] nbd3: unable to read partition table [ 1529.290837][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.292695][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.294239][ T6737] nbd3: unable to read partition table 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.370763][T12135] nbd3: detected capacity change from 0 to 2050 [ 1529.427296][T12136] block nbd3: shutting down sockets [ 1529.451117][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.453879][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.455791][ T6737] nbd3: unable to read partition table [ 1529.459041][T12135] ldm_validate_partition_table(): Disk read failed. [ 1529.468632][T12135] Dev nbd3: unable to read RDB block 0 [ 1529.470513][T12135] nbd3: unable to read partition table [ 1529.473357][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.475397][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.477247][ T6737] nbd3: unable to read partition table 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.551586][T12138] nbd3: detected capacity change from 0 to 2050 [ 1529.565765][T12066] block nbd1: shutting down sockets [ 1529.568053][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1529.570180][ T5558] Dev nbd1: unable to read RDB block 0 [ 1529.571901][ T5558] nbd1: unable to read partition table [ 1529.575757][T12070] ldm_validate_partition_table(): Disk read failed. [ 1529.577801][T12070] Dev nbd1: unable to read RDB block 0 [ 1529.579710][T12070] nbd1: unable to read partition table [ 1529.593582][ T5558] ldm_validate_partition_table(): Disk read failed. 00:25:29 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1529.596448][ T5558] Dev nbd1: unable to read RDB block 0 [ 1529.598232][ T5558] nbd1: unable to read partition table [ 1529.603484][T12139] block nbd3: shutting down sockets [ 1529.613054][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.615024][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.618061][ T6737] nbd3: unable to read partition table [ 1529.621988][T12138] ldm_validate_partition_table(): Disk read failed. [ 1529.624050][T12138] Dev nbd3: unable to read RDB block 0 [ 1529.625762][T12138] nbd3: unable to read partition table [ 1529.628970][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.631426][ T6737] Dev nbd3: unable to read RDB block 0 [ 1529.633098][ T6737] nbd3: unable to read partition table [ 1529.642350][T12141] nbd1: detected capacity change from 0 to 2050 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.676498][T12073] block nbd2: shutting down sockets [ 1529.678844][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1529.681569][ T5725] Dev nbd2: unable to read RDB block 0 [ 1529.686267][ T5725] nbd2: unable to read partition table 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.690961][T12078] ldm_validate_partition_table(): Disk read failed. [ 1529.692892][T12078] Dev nbd2: unable to read RDB block 0 [ 1529.694494][T12144] block nbd1: shutting down sockets [ 1529.697694][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1529.700615][ T5558] Dev nbd1: unable to read RDB block 0 [ 1529.702078][T12078] nbd2: unable to read partition table [ 1529.704394][ T5558] nbd1: unable to read partition table [ 1529.706280][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1529.709313][ T5725] Dev nbd2: unable to read RDB block 0 [ 1529.711647][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1529.713521][ T5725] nbd2: unable to read partition table [ 1529.715188][ T5558] Dev nbd1: unable to read RDB block 0 00:25:29 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1529.718765][ T5558] nbd1: unable to read partition table 00:25:29 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.790461][T12148] nbd2: detected capacity change from 0 to 2050 00:25:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1529.814669][T12150] nbd1: detected capacity change from 0 to 2050 [ 1529.867770][T12156] block nbd1: shutting down sockets [ 1529.871227][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1529.879699][ T6737] Dev nbd1: unable to read RDB block 0 [ 1529.881433][ T6737] nbd1: unable to read partition table [ 1529.888495][ T6737] ldm_validate_partition_table(): Disk read failed. 00:25:29 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1529.893335][T12157] block nbd3: shutting down sockets [ 1529.897424][ T6737] Dev nbd1: unable to read RDB block 0 [ 1529.898988][ T6737] nbd1: unable to read partition table [ 1529.922817][T12083] block nbd5: shutting down sockets [ 1529.925642][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1529.927962][ T4890] Dev nbd5: unable to read RDB block 0 [ 1529.930948][ T4890] nbd5: unable to read partition table [ 1529.939273][T12087] ldm_validate_partition_table(): Disk read failed. [ 1529.941385][T12087] Dev nbd5: unable to read RDB block 0 [ 1529.943102][T12087] nbd5: unable to read partition table [ 1529.945664][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1529.947515][ T4890] Dev nbd5: unable to read RDB block 0 [ 1529.949072][ T4890] nbd5: unable to read partition table [ 1529.972446][T12159] nbd1: detected capacity change from 0 to 2050 [ 1529.976240][T12086] block nbd4: shutting down sockets [ 1529.979195][T10975] ldm_validate_partition_table(): Disk read failed. [ 1529.981158][T10975] Dev nbd4: unable to read RDB block 0 [ 1529.982845][T10975] nbd4: unable to read partition table [ 1529.985962][T12090] ldm_validate_partition_table(): Disk read failed. [ 1529.988142][T12090] Dev nbd4: unable to read RDB block 0 [ 1529.991552][T12090] nbd4: unable to read partition table [ 1529.996888][T10975] ldm_validate_partition_table(): Disk read failed. [ 1529.998914][T10975] Dev nbd4: unable to read RDB block 0 [ 1530.002151][T10975] nbd4: unable to read partition table [ 1530.023547][T12160] block nbd1: shutting down sockets [ 1530.026161][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1530.028180][ T4890] Dev nbd1: unable to read RDB block 0 [ 1530.030008][ T4890] nbd1: unable to read partition table [ 1530.033843][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1530.035782][ T4890] Dev nbd1: unable to read RDB block 0 [ 1530.037468][ T4890] nbd1: unable to read partition table [ 1530.969694][ T2134] Bluetooth: hci8: command 0x040f tx timeout [ 1532.169791][T11160] block nbd2: Possible stuck request 000000006965e22e: control (read@0,4096B). Runtime 2 seconds [ 1532.736707][T12148] block nbd2: shutting down sockets [ 1532.739935][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1532.741815][ T5725] Dev nbd2: unable to read RDB block 0 [ 1532.743440][ T5725] nbd2: unable to read partition table [ 1532.746167][T12155] ldm_validate_partition_table(): Disk read failed. [ 1532.748033][T12155] Dev nbd2: unable to read RDB block 0 [ 1532.750796][T12155] nbd2: unable to read partition table [ 1532.753244][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1532.755050][ T5725] Dev nbd2: unable to read RDB block 0 [ 1532.756618][ T5725] nbd2: unable to read partition table [ 1533.049813][ T2133] Bluetooth: hci8: command 0x0419 tx timeout [ 1539.041302][ T2226] ieee802154 phy0 wpan0: encryption failed: -22 [ 1539.042820][ T2226] ieee802154 phy1 wpan1: encryption failed: -22 00:25:56 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:56 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:56 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:56 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) 00:25:56 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1556.611525][T12168] nbd5: detected capacity change from 0 to 2050 [ 1556.614044][T12170] nbd2: detected capacity change from 0 to 2050 [ 1556.625334][T12169] nbd4: detected capacity change from 0 to 2050 [ 1556.627343][T12167] nbd1: detected capacity change from 0 to 2050 [ 1556.662399][T12171] block nbd3: shutting down sockets [ 1556.665068][T12173] block nbd2: shutting down sockets [ 1556.672937][ C0] blk_print_req_error: 729 callbacks suppressed [ 1556.672950][ C0] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.676448][ C0] buffer_io_error: 727 callbacks suppressed [ 1556.676456][ C0] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.680452][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.682492][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read 00:25:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1556.684547][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.686789][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.688922][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.691087][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.693157][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.696019][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.697897][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.700167][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.702403][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.704523][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.706562][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.708611][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.711544][T10975] ldm_validate_partition_table(): Disk read failed. [ 1556.713194][T11160] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.715261][T11160] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1556.717282][T12175] block nbd1: shutting down sockets [ 1556.718062][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1556.718674][ C0] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1556.721856][T10975] Dev nbd2: unable to read RDB block 0 [ 1556.723124][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1556.725758][ T4890] Dev nbd1: unable to read RDB block 0 [ 1556.727337][ T4890] nbd1: unable to read partition table [ 1556.731058][T10975] nbd2: unable to read partition table [ 1556.731225][T12167] ldm_validate_partition_table(): Disk read failed. [ 1556.734668][T12167] Dev nbd1: unable to read RDB block 0 [ 1556.735877][T10975] ldm_validate_partition_table(): Disk read failed. [ 1556.736596][T12167] nbd1: unable to read partition table [ 1556.740944][T10975] Dev nbd2: unable to read RDB block 0 [ 1556.743674][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1556.745906][ T4890] Dev nbd1: unable to read RDB block 0 [ 1556.747797][ T4890] nbd1: unable to read partition table [ 1556.748165][T10975] nbd2: unable to read partition table 00:25:56 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) 00:25:56 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1556.792843][T12180] block nbd3: shutting down sockets 00:25:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1556.820365][T12179] nbd1: detected capacity change from 0 to 2050 [ 1556.840475][T12182] nbd2: detected capacity change from 0 to 2050 [ 1556.876622][T12185] block nbd1: shutting down sockets [ 1556.878858][T10975] ldm_validate_partition_table(): Disk read failed. [ 1556.881931][T10975] Dev nbd1: unable to read RDB block 0 [ 1556.883804][T10975] nbd1: unable to read partition table [ 1556.888211][T10975] ldm_validate_partition_table(): Disk read failed. [ 1556.890609][T10975] Dev nbd1: unable to read RDB block 0 [ 1556.892265][T12186] block nbd2: shutting down sockets [ 1556.894081][T10975] nbd1: unable to read partition table [ 1556.897164][T12179] ldm_validate_partition_table(): Disk read failed. [ 1556.902375][T12179] Dev nbd1: unable to read RDB block 0 [ 1556.904578][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1556.906800][T12179] nbd1: unable to read partition table [ 1556.908492][ T4890] Dev nbd2: unable to read RDB block 0 [ 1556.910413][ T4890] nbd2: unable to read partition table [ 1556.918572][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1556.920699][ T4890] Dev nbd2: unable to read RDB block 0 [ 1556.922467][ T4890] nbd2: unable to read partition table [ 1556.925549][T12187] block nbd3: shutting down sockets 00:25:56 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) 00:25:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:56 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1556.993206][T12192] nbd1: detected capacity change from 0 to 2050 [ 1557.000311][T12193] nbd2: detected capacity change from 0 to 2050 [ 1557.044892][T12194] block nbd1: shutting down sockets [ 1557.051512][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.054393][T12195] block nbd2: shutting down sockets [ 1557.055438][T10975] Dev nbd1: unable to read RDB block 0 [ 1557.057650][T10975] nbd1: unable to read partition table [ 1557.061912][T12196] block nbd3: shutting down sockets [ 1557.069259][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1557.071312][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.073373][T10975] Dev nbd1: unable to read RDB block 0 [ 1557.075307][ T5558] Dev nbd2: unable to read RDB block 0 [ 1557.077448][T10975] nbd1: unable to read partition table [ 1557.079169][ T5558] nbd2: unable to read partition table [ 1557.084864][T12192] ldm_validate_partition_table(): Disk read failed. [ 1557.087229][ T5558] ldm_validate_partition_table(): Disk read failed. [ 1557.087875][T12192] Dev nbd1: unable to read RDB block 0 [ 1557.089024][ T5558] Dev nbd2: unable to read RDB block 0 00:25:57 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1557.098457][T12192] nbd1: unable to read partition table [ 1557.100103][ T5558] nbd2: unable to read partition table 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:57 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1557.170220][T12198] nbd2: detected capacity change from 0 to 2050 [ 1557.190704][T12201] nbd1: detected capacity change from 0 to 2050 [ 1557.224143][T12203] block nbd2: shutting down sockets [ 1557.228948][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.231463][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.233193][T10975] nbd2: unable to read partition table [ 1557.235533][T12198] ldm_validate_partition_table(): Disk read failed. [ 1557.237459][T12198] Dev nbd2: unable to read RDB block 0 [ 1557.240332][T12198] nbd2: unable to read partition table [ 1557.242770][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.245081][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.246788][T10975] nbd2: unable to read partition table [ 1557.248381][T12204] block nbd1: shutting down sockets [ 1557.263170][T12205] block nbd3: shutting down sockets [ 1557.269717][ T4890] ldm_validate_partition_table(): Disk read failed. 00:25:57 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1557.273994][ T4890] Dev nbd1: unable to read RDB block 0 [ 1557.278458][ T4890] nbd1: unable to read partition table [ 1557.283796][T12201] ldm_validate_partition_table(): Disk read failed. [ 1557.285928][T12201] Dev nbd1: unable to read RDB block 0 [ 1557.291849][T12201] nbd1: unable to read partition table [ 1557.296748][ T4890] ldm_validate_partition_table(): Disk read failed. 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1557.302434][ T4890] Dev nbd1: unable to read RDB block 0 [ 1557.306322][ T4890] nbd1: unable to read partition table 00:25:57 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1557.350595][T12207] nbd2: detected capacity change from 0 to 2050 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1557.391172][T12211] nbd1: detected capacity change from 0 to 2050 [ 1557.401476][T12216] block nbd2: shutting down sockets [ 1557.404862][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.407145][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.408940][T10975] nbd2: unable to read partition table [ 1557.413920][T12207] ldm_validate_partition_table(): Disk read failed. [ 1557.417071][T12207] Dev nbd2: unable to read RDB block 0 [ 1557.422290][T12207] nbd2: unable to read partition table 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1557.431685][T10975] ldm_validate_partition_table(): Disk read failed. 00:25:57 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1557.437448][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.442716][T12217] block nbd1: shutting down sockets [ 1557.444075][T10975] nbd2: unable to read partition table [ 1557.451439][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1557.452400][T12219] ldm_validate_partition_table(): Disk read failed. [ 1557.455578][T12219] Dev nbd2: unable to read RDB block 0 [ 1557.457448][T12219] nbd2: unable to read partition table [ 1557.463945][ T4890] Dev nbd1: unable to read RDB block 0 [ 1557.465590][ T4890] nbd1: unable to read partition table [ 1557.473132][T12219] ldm_validate_partition_table(): Disk read failed. [ 1557.476523][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1557.478538][T12219] Dev nbd2: unable to read RDB block 0 [ 1557.483011][T12219] nbd2: unable to read partition table [ 1557.484830][ T4890] Dev nbd1: unable to read RDB block 0 [ 1557.489049][ T4890] nbd1: unable to read partition table 00:25:57 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1557.542223][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.544869][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.547237][T10975] nbd2: unable to read partition table [ 1557.550456][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.552159][T12223] nbd1: detected capacity change from 0 to 2050 [ 1557.552345][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.555553][T10975] nbd2: unable to read partition table 00:25:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:25:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1557.731275][T12237] nbd2: detected capacity change from 0 to 2050 00:25:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1557.777924][ T1531] Bluetooth: hci9: unexpected cc 0x0c03 length: 249 > 1 [ 1557.781392][T12243] block nbd2: shutting down sockets [ 1557.782973][ T2133] Bluetooth: hci9: unexpected cc 0x1003 length: 249 > 9 [ 1557.783708][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.786982][ T2133] Bluetooth: hci9: unexpected cc 0x1001 length: 249 > 9 [ 1557.787180][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.790940][ T2133] Bluetooth: hci9: unexpected cc 0x0c23 length: 249 > 4 [ 1557.791315][T10975] nbd2: unable to read partition table [ 1557.794685][ T2133] Bluetooth: hci9: unexpected cc 0x0c25 length: 249 > 3 [ 1557.796598][ T2133] Bluetooth: hci9: unexpected cc 0x0c38 length: 249 > 2 [ 1557.816435][T10975] ldm_validate_partition_table(): Disk read failed. [ 1557.823524][T10975] Dev nbd2: unable to read RDB block 0 [ 1557.827874][T10975] nbd2: unable to read partition table [ 1557.832279][T12237] ldm_validate_partition_table(): Disk read failed. [ 1557.836580][T12237] Dev nbd2: unable to read RDB block 0 [ 1557.846809][T12237] nbd2: unable to read partition table 00:25:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1557.871342][T12244] block nbd3: shutting down sockets [ 1557.927936][T12240] chnl_net:caif_netlink_parms(): no params data found [ 1557.930832][T12249] nbd2: detected capacity change from 0 to 2050 [ 1557.961895][T12240] bridge0: port 1(bridge_slave_0) entered blocking state [ 1557.963618][T12240] bridge0: port 1(bridge_slave_0) entered disabled state [ 1557.965337][T12240] bridge_slave_0: entered allmulticast mode [ 1557.969757][T12240] bridge_slave_0: entered promiscuous mode [ 1557.973570][T12240] bridge0: port 2(bridge_slave_1) entered blocking state [ 1557.975252][T12240] bridge0: port 2(bridge_slave_1) entered disabled state [ 1557.977069][T12240] bridge_slave_1: entered allmulticast mode [ 1557.979018][T12240] bridge_slave_1: entered promiscuous mode [ 1557.988368][T12254] block nbd2: shutting down sockets [ 1557.997438][T12240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1558.002011][T12240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1558.009201][T10975] ldm_validate_partition_table(): Disk read failed. [ 1558.012294][T10975] Dev nbd2: unable to read RDB block 0 [ 1558.014605][T10975] nbd2: unable to read partition table [ 1558.017284][T12249] ldm_validate_partition_table(): Disk read failed. [ 1558.030223][T12249] Dev nbd2: unable to read RDB block 0 [ 1558.032248][T12249] nbd2: unable to read partition table [ 1558.032789][T12240] team0: Port device team_slave_0 added [ 1558.037814][T10975] ldm_validate_partition_table(): Disk read failed. [ 1558.040433][T12240] team0: Port device team_slave_1 added [ 1558.040637][T10975] Dev nbd2: unable to read RDB block 0 [ 1558.043550][T10975] nbd2: unable to read partition table [ 1558.065205][T12240] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1558.066847][T12240] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1558.072853][T12240] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1558.076376][T12240] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1558.078011][T12240] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1558.084517][T12240] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1558.153885][T12240] hsr_slave_0: entered promiscuous mode [ 1558.190057][T12240] hsr_slave_1: entered promiscuous mode [ 1558.229714][T12240] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1558.232831][T12240] Cannot create hsr debugfs directory [ 1558.296117][T12240] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1558.375210][T12240] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1558.456606][T12240] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1558.568845][T12240] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1558.727568][T12240] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1558.782401][T12240] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1558.821174][T12240] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1558.861356][T12240] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1558.913330][T12240] bridge0: port 2(bridge_slave_1) entered blocking state [ 1558.915108][T12240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1558.916869][T12240] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.918442][T12240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1558.948771][T12240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1558.957897][T12240] 8021q: adding VLAN 0 to HW filter on device team0 [ 1558.961250][ T6183] bridge0: port 1(bridge_slave_0) entered disabled state [ 1558.963774][ T6183] bridge0: port 2(bridge_slave_1) entered disabled state [ 1558.977011][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 1558.978622][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1558.991695][ T1372] bridge0: port 2(bridge_slave_1) entered blocking state [ 1558.993528][ T1372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1559.104393][T12240] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1559.125999][T12240] veth0_vlan: entered promiscuous mode [ 1559.132034][T12240] veth1_vlan: entered promiscuous mode [ 1559.147407][T12240] veth0_macvtap: entered promiscuous mode [ 1559.151768][T12240] veth1_macvtap: entered promiscuous mode [ 1559.161310][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.163748][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.166027][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.168481][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.172028][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.174420][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.176648][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.179052][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.182578][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.184955][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.187240][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.190172][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.192264][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.194658][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.196797][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.199031][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.201818][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1559.204463][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.207818][T12240] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1559.211088][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.213409][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.215619][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.218235][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.221878][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.224367][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.226771][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.229085][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.231601][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.234098][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.236318][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.238619][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.241347][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.243882][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.246177][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.248580][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.251914][T12240] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1559.255087][T12240] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1559.258481][T12240] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1559.266135][T12240] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1559.268279][T12240] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1559.270689][T12240] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1559.272760][T12240] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1559.317022][ T7349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1559.324413][ T7349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1559.335690][ T437] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1559.337491][ T437] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1559.556932][T12169] block nbd4: shutting down sockets [ 1559.562486][T12168] block nbd5: shutting down sockets [ 1559.564741][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.566976][ T5725] Dev nbd5: unable to read RDB block 0 [ 1559.569511][ T5725] nbd5: unable to read partition table [ 1559.575183][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.577281][ T5725] Dev nbd5: unable to read RDB block 0 [ 1559.579022][ T5725] nbd5: unable to read partition table [ 1559.585230][T12172] ldm_validate_partition_table(): Disk read failed. [ 1559.587233][T12172] Dev nbd5: unable to read RDB block 0 [ 1559.588935][T12172] nbd5: unable to read partition table 00:25:59 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1559.601174][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1559.603216][ T6737] Dev nbd4: unable to read RDB block 0 [ 1559.608484][ T6737] nbd4: unable to read partition table [ 1559.620960][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1559.623119][ T6737] Dev nbd4: unable to read RDB block 0 [ 1559.624942][ T6737] nbd4: unable to read partition table [ 1559.627523][T12174] ldm_validate_partition_table(): Disk read failed. [ 1559.629471][T12174] Dev nbd4: unable to read RDB block 0 [ 1559.633108][T12174] nbd4: unable to read partition table [ 1559.650259][T12262] block nbd3: shutting down sockets [ 1559.652276][T12261] nbd5: detected capacity change from 0 to 2050 00:25:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:25:59 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:59 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r1) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:25:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1559.710609][T12264] nbd2: detected capacity change from 0 to 2050 [ 1559.730248][T12268] nbd4: detected capacity change from 0 to 2050 [ 1559.750074][T12271] block nbd3: shutting down sockets [ 1559.762632][T12273] block nbd2: shutting down sockets 00:25:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1559.774127][T10975] ldm_validate_partition_table(): Disk read failed. [ 1559.776266][T10975] Dev nbd2: unable to read RDB block 0 [ 1559.778125][T10975] nbd2: unable to read partition table [ 1559.784983][T10975] ldm_validate_partition_table(): Disk read failed. [ 1559.787263][T12276] block nbd4: shutting down sockets [ 1559.788327][T10975] Dev nbd2: unable to read RDB block 0 [ 1559.790931][T10975] nbd2: unable to read partition table [ 1559.794442][T12264] ldm_validate_partition_table(): Disk read failed. [ 1559.796919][T12264] Dev nbd2: unable to read RDB block 0 [ 1559.798761][T12264] nbd2: unable to read partition table [ 1559.811164][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.820137][ T5725] Dev nbd4: unable to read RDB block 0 [ 1559.822672][ T5725] nbd4: unable to read partition table 00:25:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1559.828497][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.832057][ T5725] Dev nbd4: unable to read RDB block 0 [ 1559.836091][ T5725] nbd4: unable to read partition table [ 1559.842157][T12268] ldm_validate_partition_table(): Disk read failed. [ 1559.845038][T12268] Dev nbd4: unable to read RDB block 0 [ 1559.847777][T12268] nbd4: unable to read partition table [ 1559.850398][T22210] Bluetooth: hci9: command 0x0409 tx timeout [ 1559.850509][T12277] nbd3: detected capacity change from 0 to 2050 00:25:59 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1559.890994][T12279] nbd2: detected capacity change from 0 to 2050 [ 1559.926515][T12281] nbd4: detected capacity change from 0 to 2050 [ 1559.942663][T12283] block nbd2: shutting down sockets [ 1559.946084][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.948322][ T5725] Dev nbd2: unable to read RDB block 0 [ 1559.951450][ T5725] nbd2: unable to read partition table [ 1559.956440][T12279] ldm_validate_partition_table(): Disk read failed. [ 1559.958601][T12279] Dev nbd2: unable to read RDB block 0 [ 1559.960775][T12279] nbd2: unable to read partition table [ 1559.963535][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1559.965543][ T5725] Dev nbd2: unable to read RDB block 0 [ 1559.967368][ T5725] nbd2: unable to read partition table [ 1559.978167][T12285] block nbd4: shutting down sockets [ 1559.983950][ T6737] ldm_validate_partition_table(): Disk read failed. 00:25:59 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1559.992960][ T6737] Dev nbd4: unable to read RDB block 0 [ 1559.994830][ T6737] nbd4: unable to read partition table [ 1559.997542][T12281] ldm_validate_partition_table(): Disk read failed. [ 1560.003823][T12281] Dev nbd4: unable to read RDB block 0 [ 1560.007059][T12281] nbd4: unable to read partition table [ 1560.012202][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.014220][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.016038][ T6737] nbd4: unable to read partition table [ 1560.030354][T12287] nbd2: detected capacity change from 0 to 2050 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1560.081477][T12290] block nbd2: shutting down sockets [ 1560.082199][T12289] nbd4: detected capacity change from 0 to 2050 [ 1560.087885][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.092920][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.094920][ T5725] nbd2: unable to read partition table [ 1560.098352][T12287] ldm_validate_partition_table(): Disk read failed. [ 1560.100672][T12287] Dev nbd2: unable to read RDB block 0 [ 1560.102586][T12287] nbd2: unable to read partition table [ 1560.105286][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.107935][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.110211][ T5725] nbd2: unable to read partition table 00:26:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1560.134621][T12291] block nbd4: shutting down sockets [ 1560.140822][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.144361][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.146061][ T6737] nbd4: unable to read partition table [ 1560.151417][T12291] ldm_validate_partition_table(): Disk read failed. [ 1560.153781][T12291] Dev nbd4: unable to read RDB block 0 [ 1560.155819][T12291] nbd4: unable to read partition table [ 1560.158933][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.161893][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.163821][ T6737] nbd4: unable to read partition table 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1560.191516][T12293] nbd2: detected capacity change from 0 to 2050 [ 1560.220638][T12295] nbd4: detected capacity change from 0 to 2050 [ 1560.242599][T12296] block nbd2: shutting down sockets [ 1560.245214][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.251414][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.254165][ T5725] nbd2: unable to read partition table [ 1560.257563][T12293] ldm_validate_partition_table(): Disk read failed. [ 1560.260181][T12293] Dev nbd2: unable to read RDB block 0 [ 1560.262131][T12293] nbd2: unable to read partition table [ 1560.266800][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.268871][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.271365][ T5725] nbd2: unable to read partition table [ 1560.274856][T12297] block nbd4: shutting down sockets [ 1560.284688][ T6737] ldm_validate_partition_table(): Disk read failed. 00:26:00 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1560.291456][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.295666][ T6737] nbd4: unable to read partition table [ 1560.300382][T12295] ldm_validate_partition_table(): Disk read failed. [ 1560.304162][T12295] Dev nbd4: unable to read RDB block 0 [ 1560.306059][T12295] nbd4: unable to read partition table [ 1560.309154][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.311525][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.313266][ T6737] nbd4: unable to read partition table 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1560.340505][T12299] nbd2: detected capacity change from 0 to 2050 [ 1560.375241][T12301] nbd4: detected capacity change from 0 to 2050 [ 1560.393986][T12302] block nbd2: shutting down sockets [ 1560.407502][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.409837][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.411561][ T5725] nbd2: unable to read partition table [ 1560.414858][T12299] ldm_validate_partition_table(): Disk read failed. [ 1560.416770][T12299] Dev nbd2: unable to read RDB block 0 [ 1560.418610][T12299] nbd2: unable to read partition table [ 1560.422600][T12303] block nbd4: shutting down sockets [ 1560.422636][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.425754][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.427367][ T5725] nbd2: unable to read partition table [ 1560.431488][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.440335][ T6737] Dev nbd4: unable to read RDB block 0 00:26:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1560.446657][ T6737] nbd4: unable to read partition table [ 1560.452469][T12301] ldm_validate_partition_table(): Disk read failed. [ 1560.454580][T12301] Dev nbd4: unable to read RDB block 0 [ 1560.457467][T12301] nbd4: unable to read partition table [ 1560.461314][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.463307][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.465059][ T6737] nbd4: unable to read partition table 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1560.498736][T12223] block nbd1: shutting down sockets [ 1560.503708][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.505844][ T4890] Dev nbd1: unable to read RDB block 0 [ 1560.508898][ T4890] nbd1: unable to read partition table [ 1560.512060][T12230] ldm_validate_partition_table(): Disk read failed. [ 1560.515293][T12230] Dev nbd1: unable to read RDB block 0 [ 1560.517263][T12230] nbd1: unable to read partition table [ 1560.521137][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.523279][ T4890] Dev nbd1: unable to read RDB block 0 [ 1560.525207][ T4890] nbd1: unable to read partition table [ 1560.527099][T12305] nbd2: detected capacity change from 0 to 2050 [ 1560.530629][T12307] nbd4: detected capacity change from 0 to 2050 00:26:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1560.576537][T12310] block nbd2: shutting down sockets [ 1560.580352][T12309] nbd1: detected capacity change from 0 to 2050 [ 1560.583249][T12311] block nbd4: shutting down sockets [ 1560.590191][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.599796][ T4890] Dev nbd2: unable to read RDB block 0 [ 1560.600948][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.601436][ T4890] nbd2: unable to read partition table [ 1560.603263][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.606870][T12305] ldm_validate_partition_table(): Disk read failed. [ 1560.606965][ T6737] nbd4: unable to read partition table [ 1560.609031][T12305] Dev nbd2: unable to read RDB block 0 [ 1560.612292][T12305] nbd2: unable to read partition table [ 1560.618486][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.619694][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.623919][ T4890] Dev nbd2: unable to read RDB block 0 [ 1560.624152][ T6737] Dev nbd4: unable to read RDB block 0 [ 1560.628980][ T6737] nbd4: unable to read partition table 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1560.633373][T12312] block nbd1: shutting down sockets [ 1560.635741][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.636621][ T4890] nbd2: unable to read partition table [ 1560.643439][ T5725] Dev nbd1: unable to read RDB block 0 [ 1560.646913][ T5725] nbd1: unable to read partition table [ 1560.651554][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.653628][ T5725] Dev nbd1: unable to read RDB block 0 [ 1560.655450][ T5725] nbd1: unable to read partition table [ 1560.667657][T12309] ldm_validate_partition_table(): Disk read failed. 00:26:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(0x0, 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1560.676701][T12309] Dev nbd1: unable to read RDB block 0 [ 1560.679027][T12309] nbd1: unable to read partition table [ 1560.721299][T12316] nbd2: detected capacity change from 0 to 2050 [ 1560.723388][T12314] nbd4: detected capacity change from 0 to 2050 00:26:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1560.772581][T12319] block nbd2: shutting down sockets [ 1560.775368][T12320] block nbd4: shutting down sockets [ 1560.779540][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.780627][T12318] nbd1: detected capacity change from 0 to 2050 [ 1560.781622][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.784495][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.785700][ T5725] nbd2: unable to read partition table [ 1560.786810][ T4890] Dev nbd4: unable to read RDB block 0 [ 1560.789202][ T4890] nbd4: unable to read partition table [ 1560.796610][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.797467][T12316] ldm_validate_partition_table(): Disk read failed. [ 1560.802580][ T4890] Dev nbd4: unable to read RDB block 0 [ 1560.804450][ T4890] nbd4: unable to read partition table 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x80000) [ 1560.813496][T12316] Dev nbd2: unable to read RDB block 0 [ 1560.816533][T12316] nbd2: unable to read partition table [ 1560.823096][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.828126][ T5725] Dev nbd2: unable to read RDB block 0 [ 1560.831772][ T5725] nbd2: unable to read partition table [ 1560.833224][T12323] block nbd1: shutting down sockets [ 1560.846946][ T6737] ldm_validate_partition_table(): Disk read failed. 00:26:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1560.855452][ T6737] Dev nbd1: unable to read RDB block 0 [ 1560.858606][ T6737] nbd1: unable to read partition table [ 1560.860976][T12322] nbd4: detected capacity change from 0 to 2050 [ 1560.865315][T12318] ldm_validate_partition_table(): Disk read failed. [ 1560.870797][T12318] Dev nbd1: unable to read RDB block 0 [ 1560.872926][T12318] nbd1: unable to read partition table [ 1560.875754][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1560.877670][ T6737] Dev nbd1: unable to read RDB block 0 [ 1560.879513][ T6737] nbd1: unable to read partition table [ 1560.890566][T12325] nbd2: detected capacity change from 0 to 2050 00:26:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1560.916016][T12328] block nbd4: shutting down sockets [ 1560.919296][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.921381][ T5725] Dev nbd4: unable to read RDB block 0 [ 1560.923983][ T5725] nbd4: unable to read partition table [ 1560.927226][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1560.929187][ T5725] Dev nbd4: unable to read RDB block 0 00:26:00 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1560.933034][ T5725] nbd4: unable to read partition table [ 1560.948335][T12329] block nbd2: shutting down sockets [ 1560.952989][T12327] nbd1: detected capacity change from 0 to 2050 [ 1560.956404][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.961697][ T4890] Dev nbd2: unable to read RDB block 0 [ 1560.963408][ T4890] nbd2: unable to read partition table [ 1560.966953][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1560.969026][ T4890] Dev nbd2: unable to read RDB block 0 [ 1560.971225][ T4890] nbd2: unable to read partition table [ 1560.974541][T12325] ldm_validate_partition_table(): Disk read failed. [ 1560.977031][T12325] Dev nbd2: unable to read RDB block 0 [ 1560.978893][T12325] nbd2: unable to read partition table [ 1560.980985][T12331] nbd4: detected capacity change from 0 to 2050 00:26:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1561.006984][T12333] block nbd1: shutting down sockets [ 1561.013358][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1561.016507][ T5725] Dev nbd1: unable to read RDB block 0 [ 1561.018221][ T5725] nbd1: unable to read partition table [ 1561.023515][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1561.025520][ T5725] Dev nbd1: unable to read RDB block 0 [ 1561.027265][ T5725] nbd1: unable to read partition table [ 1561.030630][T12334] nbd2: detected capacity change from 0 to 2050 [ 1561.034203][T12327] ldm_validate_partition_table(): Disk read failed. [ 1561.036848][T12327] Dev nbd1: unable to read RDB block 0 [ 1561.036892][T12335] block nbd4: shutting down sockets [ 1561.038573][T12327] nbd1: unable to read partition table [ 1561.042930][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.044981][ T4890] Dev nbd4: unable to read RDB block 0 [ 1561.051325][ T4890] nbd4: unable to read partition table [ 1561.058059][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.063170][ T4890] Dev nbd4: unable to read RDB block 0 [ 1561.065121][ T4890] nbd4: unable to read partition table [ 1561.069114][T12331] ldm_validate_partition_table(): Disk read failed. [ 1561.071519][T12331] Dev nbd4: unable to read RDB block 0 [ 1561.073376][T12331] nbd4: unable to read partition table 00:26:01 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1561.091069][T12338] block nbd2: shutting down sockets 00:26:01 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) [ 1561.102093][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1561.106138][ T6737] Dev nbd2: unable to read RDB block 0 [ 1561.109051][ T6737] nbd2: unable to read partition table [ 1561.113025][T12334] ldm_validate_partition_table(): Disk read failed. [ 1561.116509][T12334] Dev nbd2: unable to read RDB block 0 [ 1561.118309][T12334] nbd2: unable to read partition table [ 1561.123513][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1561.125527][ T6737] Dev nbd2: unable to read RDB block 0 [ 1561.127340][ T6737] nbd2: unable to read partition table 00:26:01 executing program 2: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1561.148069][T12337] nbd1: detected capacity change from 0 to 2050 [ 1561.160511][T12340] nbd4: detected capacity change from 0 to 2050 [ 1561.190444][T12342] nbd2: detected capacity change from 0 to 2050 [ 1561.199544][T12343] block nbd1: shutting down sockets [ 1561.208685][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.212546][ T4890] Dev nbd1: unable to read RDB block 0 [ 1561.214473][ T4890] nbd1: unable to read partition table [ 1561.218487][T12344] block nbd4: shutting down sockets [ 1561.218672][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.222009][ T4890] Dev nbd1: unable to read RDB block 0 [ 1561.223767][ T4890] nbd1: unable to read partition table [ 1561.229525][T12337] ldm_validate_partition_table(): Disk read failed. [ 1561.231807][T12337] Dev nbd1: unable to read RDB block 0 [ 1561.234599][T12337] nbd1: unable to read partition table [ 1561.234719][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1561.242837][T12345] block nbd2: shutting down sockets [ 1561.246908][ T5725] Dev nbd4: unable to read RDB block 0 [ 1561.249402][ T6737] ldm_validate_partition_table(): Disk read failed. 00:26:01 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1561.252359][ T6737] Dev nbd2: unable to read RDB block 0 [ 1561.253766][ T6737] nbd2: unable to read partition table [ 1561.255017][ T6737] nbd2: partition table beyond EOD, truncated [ 1561.259023][ T5725] nbd4: unable to read partition table [ 1561.261934][T12340] ldm_validate_partition_table(): Disk read failed. [ 1561.263718][T12340] Dev nbd4: unable to read RDB block 0 [ 1561.265330][T12340] nbd4: unable to read partition table [ 1561.268300][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1561.271207][ T5725] Dev nbd4: unable to read RDB block 0 [ 1561.273419][ T5725] nbd4: unable to read partition table 00:26:01 executing program 2: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:26:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1561.340718][T12347] nbd1: detected capacity change from 0 to 2050 [ 1561.362385][T12351] nbd2: detected capacity change from 0 to 2050 [ 1561.363897][T12349] nbd4: detected capacity change from 0 to 2050 [ 1561.391595][T12352] block nbd1: shutting down sockets [ 1561.398332][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1561.403550][ T5725] Dev nbd1: unable to read RDB block 0 [ 1561.407806][ T5725] nbd1: unable to read partition table [ 1561.411382][ T5725] nbd1: partition table beyond EOD, truncated [ 1561.413784][T12353] block nbd2: shutting down sockets [ 1561.416292][T12354] block nbd4: shutting down sockets [ 1561.418367][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1561.421900][ T6737] Dev nbd2: unable to read RDB block 0 [ 1561.423208][ T6737] nbd2: unable to read partition table [ 1561.424578][ T6737] nbd2: partition table beyond EOD, truncated [ 1561.427070][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.435904][ T4890] Dev nbd4: unable to read RDB block 0 [ 1561.447051][ T4890] nbd4: unable to read partition table [ 1561.456308][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1561.461746][ T4890] Dev nbd4: unable to read RDB block 0 [ 1561.465046][ T4890] nbd4: unable to read partition table [ 1561.467441][T12349] ldm_validate_partition_table(): Disk read failed. [ 1561.472929][T12349] Dev nbd4: unable to read RDB block 0 [ 1561.474720][T12349] nbd4: unable to read partition table [ 1561.929672][T15082] Bluetooth: hci9: command 0x041b tx timeout [ 1562.608860][T12261] block nbd5: shutting down sockets [ 1562.610403][ C1] blk_print_req_error: 2034 callbacks suppressed [ 1562.610415][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.613756][ C1] buffer_io_error: 2033 callbacks suppressed [ 1562.613765][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.616989][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.619131][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.621134][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.623169][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.625112][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.627299][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.629168][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.631414][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.633340][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.636262][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.638143][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.640607][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.642496][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.644679][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.646551][T12245] ldm_validate_partition_table(): Disk read failed. [ 1562.648114][ T81] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.659635][ T81] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.661589][T11160] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1562.663685][T11160] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1562.665598][T12245] Dev nbd5: unable to read RDB block 0 [ 1562.667231][T12245] nbd5: unable to read partition table [ 1562.670635][T12269] ldm_validate_partition_table(): Disk read failed. [ 1562.672448][T12269] Dev nbd5: unable to read RDB block 0 [ 1562.674152][T12269] nbd5: unable to read partition table [ 1562.676535][T12245] ldm_validate_partition_table(): Disk read failed. [ 1562.678347][T12245] Dev nbd5: unable to read RDB block 0 [ 1562.680446][T12245] nbd5: unable to read partition table 00:26:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:26:02 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:26:02 executing program 2: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) [ 1562.720676][T12356] block nbd5: shutting down sockets [ 1562.721614][T12359] nbd1: detected capacity change from 0 to 2050 [ 1562.724515][T12360] nbd4: detected capacity change from 0 to 2050 [ 1562.730660][T12362] nbd2: detected capacity change from 0 to 2050 [ 1562.772631][T12363] block nbd1: shutting down sockets [ 1562.774182][T12364] block nbd4: shutting down sockets [ 1562.783070][T12245] ldm_validate_partition_table(): Disk read failed. [ 1562.783240][T12365] block nbd2: shutting down sockets [ 1562.785239][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1562.788180][T12245] Dev nbd1: unable to read RDB block 0 [ 1562.788590][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1562.789883][ T4890] Dev nbd4: unable to read RDB block 0 [ 1562.792869][T12277] block nbd3: shutting down sockets [ 1562.794570][ T4890] nbd4: unable to read partition table [ 1562.797255][ T6737] Dev nbd2: unable to read RDB block 0 [ 1562.801824][T12360] ldm_validate_partition_table(): Disk read failed. [ 1562.803789][T12245] nbd1: unable to read partition table [ 1562.806038][T12360] Dev nbd4: unable to read RDB block 0 [ 1562.807951][T10975] ldm_validate_partition_table(): Disk read failed. [ 1562.809088][ T6737] nbd2: unable to read partition table [ 1562.810814][T12360] nbd4: unable to read partition table [ 1562.811301][T12359] ldm_validate_partition_table(): Disk read failed. [ 1562.812362][ T6737] nbd2: partition table beyond EOD, truncated [ 1562.815434][T10975] Dev nbd3: unable to read RDB block 0 [ 1562.817345][T10975] nbd3: unable to read partition table [ 1562.819761][T12359] Dev nbd1: unable to read RDB block 0 [ 1562.821407][T12359] nbd1: unable to read partition table [ 1562.828107][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1562.841437][T12282] ldm_validate_partition_table(): Disk read failed. [ 1562.844824][T12245] ldm_validate_partition_table(): Disk read failed. [ 1562.845073][ T4890] Dev nbd4: unable to read RDB block 0 [ 1562.846766][T12282] Dev nbd3: unable to read RDB block 0 [ 1562.848162][ T4890] nbd4: unable to read partition table [ 1562.854167][T12245] Dev nbd1: unable to read RDB block 0 [ 1562.856020][T12282] nbd3: unable to read partition table [ 1562.868406][T10975] ldm_validate_partition_table(): Disk read failed. [ 1562.868750][T12245] nbd1: unable to read partition table [ 1562.870433][T10975] Dev nbd3: unable to read RDB block 0 [ 1562.873296][T10975] nbd3: unable to read partition table [ 1563.999902][T17300] Bluetooth: hci9: command 0x040f tx timeout [ 1566.079957][T17300] Bluetooth: hci9: command 0x0419 tx timeout [ 1582.079876][T17300] Bluetooth: hci6: command 0x0406 tx timeout 00:26:29 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r3 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r3, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r4 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r4, 0x125d) 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:26:29 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1589.721219][T12375] nbd2: detected capacity change from 0 to 2050 [ 1589.722633][T12370] nbd3: detected capacity change from 0 to 2050 [ 1589.724371][T12369] block nbd5: shutting down sockets [ 1589.731455][T12372] nbd4: detected capacity change from 0 to 2050 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1589.772493][T12379] block nbd2: shutting down sockets [ 1589.775198][ C1] blk_print_req_error: 203 callbacks suppressed [ 1589.775210][ C1] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.778743][ C1] buffer_io_error: 203 callbacks suppressed [ 1589.778752][ C1] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.784656][T12380] block nbd4: shutting down sockets [ 1589.789818][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.791969][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.793934][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.795990][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.797872][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.798040][T12381] block nbd1: shutting down sockets [ 1589.799948][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.800068][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.801988][T12377] block nbd5: shutting down sockets [ 1589.803039][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.803164][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.809941][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.811823][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.813910][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.815860][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.817784][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.820101][T12245] ldm_validate_partition_table(): Disk read failed. [ 1589.821793][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.823842][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.825643][ T81] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1589.827681][ T81] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1589.829719][T12245] Dev nbd2: unable to read RDB block 0 [ 1589.831405][T12245] nbd2: unable to read partition table [ 1589.834197][T12379] ldm_validate_partition_table(): Disk read failed. [ 1589.841103][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1589.843224][T12379] Dev nbd2: unable to read RDB block 0 00:26:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1589.852122][ T6737] Dev nbd4: unable to read RDB block 0 [ 1589.853856][T12379] nbd2: unable to read partition table [ 1589.855634][ T6737] nbd4: unable to read partition table [ 1589.859692][T12245] ldm_validate_partition_table(): Disk read failed. [ 1589.861592][T12245] Dev nbd2: unable to read RDB block 0 [ 1589.863350][T12245] nbd2: unable to read partition table [ 1589.871620][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1589.876618][ T6737] Dev nbd4: unable to read RDB block 0 [ 1589.879790][ T6737] nbd4: unable to read partition table [ 1589.889530][T12372] ldm_validate_partition_table(): Disk read failed. [ 1589.893046][T12372] Dev nbd4: unable to read RDB block 0 [ 1589.895932][T12372] nbd4: unable to read partition table 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:29 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r4 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r4, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r5 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r5, 0x125d) [ 1589.940691][T12386] nbd1: detected capacity change from 0 to 2050 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1589.991511][T12396] block nbd1: shutting down sockets [ 1589.995967][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.001566][T12245] Dev nbd1: unable to read RDB block 0 [ 1590.001569][T12391] block nbd2: shutting down sockets [ 1590.004511][T12393] nbd4: detected capacity change from 0 to 2050 00:26:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.011811][T12245] nbd1: unable to read partition table [ 1590.021956][T12386] ldm_validate_partition_table(): Disk read failed. [ 1590.025074][T12386] Dev nbd1: unable to read RDB block 0 [ 1590.027830][T12386] nbd1: unable to read partition table 00:26:30 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.030769][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.035758][T12245] Dev nbd1: unable to read RDB block 0 [ 1590.037460][T12245] nbd1: unable to read partition table 00:26:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1590.054634][T12402] block nbd4: shutting down sockets [ 1590.074705][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.076702][ T5725] Dev nbd4: unable to read RDB block 0 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.079193][ T5725] nbd4: unable to read partition table [ 1590.083499][T12393] ldm_validate_partition_table(): Disk read failed. 00:26:30 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.102020][T12393] Dev nbd4: unable to read RDB block 0 [ 1590.108543][T12393] nbd4: unable to read partition table 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.120191][T12404] nbd1: detected capacity change from 0 to 2050 [ 1590.124636][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.129844][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.132016][ T5725] nbd4: unable to read partition table 00:26:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) 00:26:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1590.171360][T12414] block nbd1: shutting down sockets [ 1590.177003][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.182490][T12245] Dev nbd1: unable to read RDB block 0 [ 1590.185379][T12245] nbd1: unable to read partition table [ 1590.188157][T12404] ldm_validate_partition_table(): Disk read failed. [ 1590.191505][T12404] Dev nbd1: unable to read RDB block 0 [ 1590.193411][T12404] nbd1: unable to read partition table [ 1590.196462][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.198574][T12245] Dev nbd1: unable to read RDB block 0 [ 1590.201211][T12245] nbd1: unable to read partition table [ 1590.201434][T12412] nbd2: detected capacity change from 0 to 2050 [ 1590.207302][T12416] block nbd5: shutting down sockets [ 1590.214797][T12415] nbd4: detected capacity change from 0 to 2050 00:26:30 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.255051][T12421] block nbd2: shutting down sockets [ 1590.257308][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.259527][T12245] Dev nbd2: unable to read RDB block 0 [ 1590.261506][T12245] nbd2: unable to read partition table [ 1590.264666][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.266508][T12422] block nbd4: shutting down sockets [ 1590.268307][T12245] Dev nbd2: unable to read RDB block 0 [ 1590.270672][T12245] nbd2: unable to read partition table [ 1590.270787][T12419] nbd1: detected capacity change from 0 to 2050 [ 1590.276425][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.279513][T12412] ldm_validate_partition_table(): Disk read failed. [ 1590.283829][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.285558][ T5725] nbd4: unable to read partition table [ 1590.286183][T12412] Dev nbd2: unable to read RDB block 0 [ 1590.288806][T12412] nbd2: unable to read partition table [ 1590.289244][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.292327][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.294211][ T5725] nbd4: unable to read partition table [ 1590.297978][T12415] ldm_validate_partition_table(): Disk read failed. [ 1590.301815][T12415] Dev nbd4: unable to read RDB block 0 [ 1590.304695][T12415] nbd4: unable to read partition table [ 1590.321809][T12423] block nbd1: shutting down sockets 00:26:30 executing program 2: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:30 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.343508][T12426] block nbd5: shutting down sockets [ 1590.349284][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.353012][T12245] Dev nbd1: unable to read RDB block 0 [ 1590.354545][T12245] nbd1: unable to read partition table [ 1590.356215][T12245] nbd1: partition table beyond EOD, truncated 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.374152][T12428] nbd4: detected capacity change from 0 to 2050 00:26:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) [ 1590.390555][T12425] nbd2: detected capacity change from 0 to 2050 [ 1590.425864][T12433] block nbd4: shutting down sockets [ 1590.428651][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.434567][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.437243][ T5725] nbd4: unable to read partition table [ 1590.438748][ T5725] nbd4: partition table beyond EOD, truncated [ 1590.444942][T12432] nbd1: detected capacity change from 0 to 2050 [ 1590.446806][T12434] block nbd2: shutting down sockets [ 1590.455895][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.458448][T12245] Dev nbd2: unable to read RDB block 0 [ 1590.460371][T12245] nbd2: unable to read partition table [ 1590.461958][T12245] nbd2: partition table beyond EOD, truncated 00:26:30 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) 00:26:30 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.492455][T12437] block nbd5: shutting down sockets [ 1590.493089][T12439] block nbd1: shutting down sockets 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.511442][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1590.516877][ T4890] Dev nbd1: unable to read RDB block 0 [ 1590.522777][ T4890] nbd1: unable to read partition table [ 1590.528748][ T4890] ldm_validate_partition_table(): Disk read failed. 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.534707][ T4890] Dev nbd1: unable to read RDB block 0 [ 1590.536628][ T4890] nbd1: unable to read partition table [ 1590.540870][T12440] nbd4: detected capacity change from 0 to 2050 [ 1590.541082][T12432] ldm_validate_partition_table(): Disk read failed. [ 1590.543136][T12438] nbd2: detected capacity change from 0 to 2050 [ 1590.544885][T12432] Dev nbd1: unable to read RDB block 0 [ 1590.548356][T12432] nbd1: unable to read partition table 00:26:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) r1 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x1) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) close$fd_v4l2_buffer(r2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) r5 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(r5, 0xc0585609, &(0x7f0000000140)={0x0, 0xc, 0x4, 0x70000, 0x3, {0x77359400}, {0x4, 0xc, 0xf6, 0x97, 0xbe, 0x2, "7847b95a"}, 0xff, 0x4, {}, 0x2}) r6 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) ioctl$NBD_CLEAR_SOCK(r6, 0x125d) 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.594757][T12448] block nbd2: shutting down sockets [ 1590.598013][T12447] block nbd4: shutting down sockets [ 1590.598501][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.609678][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1590.610747][T12446] nbd1: detected capacity change from 0 to 2050 [ 1590.612840][T12245] Dev nbd2: unable to read RDB block 0 [ 1590.615160][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.616857][T12245] nbd2: unable to read partition table [ 1590.618544][ T5725] nbd4: unable to read partition table [ 1590.628570][T12438] ldm_validate_partition_table(): Disk read failed. [ 1590.631618][T12440] ldm_validate_partition_table(): Disk read failed. 00:26:30 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) close$fd_v4l2_buffer(0xffffffffffffffff) ioctl$UFFDIO_WAKE(0xffffffffffffffff, 0x8010aa02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.633637][T12440] Dev nbd4: unable to read RDB block 0 [ 1590.635584][T12438] Dev nbd2: unable to read RDB block 0 [ 1590.637566][T12440] nbd4: unable to read partition table [ 1590.639292][T12438] nbd2: unable to read partition table [ 1590.647897][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.651589][ T5725] ldm_validate_partition_table(): Disk read failed. 00:26:30 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x210000) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x4000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$alg(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000440)="c3e6ad0e53e46379ceda4cb7d384ad6dd84ad6b3e994c914f3ce76f513967e7d447952c340953f27fc81a82d2ddf65e86a7303090d96a8501f99cac9226c0f372cc912921032fd84a592fe0f9b9651616411f4fa1c464bfcc1d659499a6c4883be07f14cd2e2edbf801504bb08ca1838e76d098289b61f418793a7f8a2dc5aac2107d582637e8395cfde9b9cd544b0ba1de9f365d70aa4a3ef27454edd6068c3809e553ce1d262012b16d3c33de1bca17b581ee02553e3cce2de77690ffbaaaa83b77a878e07e00afef2e8d68cccec4d3d431c835cb850e1a114cb4187bb030bfda87957b67219", 0xe7}], 0x1, &(0x7f0000000280), 0x0, 0x20000000}, 0xc0c1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x80000) [ 1590.656008][T12245] Dev nbd2: unable to read RDB block 0 [ 1590.657869][ T5725] Dev nbd4: unable to read RDB block 0 [ 1590.660613][T12245] nbd2: unable to read partition table [ 1590.662241][T12453] block nbd1: shutting down sockets [ 1590.663629][ T5725] nbd4: unable to read partition table [ 1590.676575][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1590.678833][T12455] ldm_validate_partition_table(): Disk read failed. [ 1590.683119][T12455] Dev nbd4: unable to read RDB block 0 [ 1590.685150][ T4890] Dev nbd1: unable to read RDB block 0 [ 1590.687111][T12455] nbd4: unable to read partition table [ 1590.688763][ T4890] nbd1: unable to read partition table [ 1590.697922][T12446] ldm_validate_partition_table(): Disk read failed. [ 1590.700270][T12452] nbd5: detected capacity change from 0 to 2050 [ 1590.704068][T12446] Dev nbd1: unable to read RDB block 0 [ 1590.707893][T12446] nbd1: unable to read partition table [ 1590.713208][T12455] ldm_validate_partition_table(): Disk read failed. [ 1590.713790][ T4890] ldm_validate_partition_table(): Disk read failed. [ 1590.718204][T12455] Dev nbd4: unable to read RDB block 0 [ 1590.720646][T12455] nbd4: unable to read partition table [ 1590.725518][ T4890] Dev nbd1: unable to read RDB block 0 [ 1590.729154][ T4890] nbd1: unable to read partition table [ 1590.758091][T12457] block nbd5: shutting down sockets [ 1590.765523][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1590.769542][ T6737] Dev nbd5: unable to read RDB block 0 [ 1590.775394][ T6737] nbd5: unable to read partition table [ 1590.781088][T12452] ldm_validate_partition_table(): Disk read failed. [ 1590.783115][T12452] Dev nbd5: unable to read RDB block 0 [ 1590.785917][T12452] nbd5: unable to read partition table [ 1590.791180][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.802331][T12245] Dev nbd4: unable to read RDB block 0 [ 1590.803009][ T6737] ldm_validate_partition_table(): Disk read failed. [ 1590.805488][ T6737] Dev nbd5: unable to read RDB block 0 [ 1590.807064][ T6737] nbd5: unable to read partition table [ 1590.815221][T12245] nbd4: unable to read partition table [ 1590.824271][T12455] ldm_validate_partition_table(): Disk read failed. [ 1590.826202][T12455] Dev nbd4: unable to read RDB block 0 [ 1590.827821][T12455] nbd4: unable to read partition table [ 1590.830207][T12245] ldm_validate_partition_table(): Disk read failed. [ 1590.833899][T12245] Dev nbd4: unable to read RDB block 0 [ 1590.835670][T12245] nbd4: unable to read partition table [ 1590.866596][T15082] Bluetooth: hci10: unexpected cc 0x0c03 length: 249 > 1 [ 1590.869281][T15082] Bluetooth: hci10: unexpected cc 0x1003 length: 249 > 9 [ 1590.877492][T15082] Bluetooth: hci10: unexpected cc 0x1001 length: 249 > 9 [ 1590.880553][ T29] INFO: task syz-executor.0:11294 blocked for more than 143 seconds. [ 1590.882887][ T29] Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 1590.884621][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1590.885189][T15082] Bluetooth: hci10: unexpected cc 0x0c23 length: 249 > 4 [ 1590.886656][ T29] task:syz-executor.0 state:D stack:0 pid:11294 tgid:11293 ppid:6127 flags:0x0000000d [ 1590.890107][T15082] Bluetooth: hci10: unexpected cc 0x0c25 length: 249 > 3 [ 1590.892378][ T29] Call trace: [ 1590.893171][ T29] __switch_to+0x314/0x560 [ 1590.894198][ T29] __schedule+0x1354/0x2360 [ 1590.895238][ T29] schedule+0xb8/0x19c [ 1590.897748][ T29] schedule_preempt_disabled+0x18/0x2c [ 1590.898991][ T29] __mutex_lock_common+0xbd8/0x21a0 [ 1590.900509][T15082] Bluetooth: hci10: unexpected cc 0x0c38 length: 249 > 2 [ 1590.902175][ T29] mutex_lock_nested+0x2c/0x38 [ 1590.904052][ T29] blkdev_put+0xec/0x740 [ 1590.905264][ T29] bdev_release+0x5c/0x78 [ 1590.906357][ T29] blkdev_release+0x40/0x54 [ 1590.907460][ T29] __fput+0x308/0x8e4 [ 1590.908402][ T29] ____fput+0x20/0x30 [ 1590.909257][ T29] task_work_run+0x230/0x2e0 [ 1590.917124][ T29] do_notify_resume+0x214c/0x393c [ 1590.918385][ T29] el0_svc+0x9c/0x158 [ 1590.919303][ T29] el0t_64_sync_handler+0x84/0xfc [ 1590.923941][ T29] el0t_64_sync+0x190/0x194 [ 1590.925094][ T29] [ 1590.925094][ T29] Showing all locks held in the system: [ 1590.926960][ T29] 1 lock held by khungtaskd/29: [ 1590.928067][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 1590.930625][ T29] 1 lock held by klogd/5710: [ 1590.931767][ T29] #0: ffff0001b4166d98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2dc/0x2360 [ 1590.933860][ T29] 2 locks held by getty/5881: [ 1590.934935][ T29] #0: ffff0000d2cbb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 1590.937164][ T29] #1: ffff800094e602f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 1590.939437][ T29] 2 locks held by kworker/u5:3/2133: [ 1590.949487][ T29] #0: ffff0000ca2ccd38 ((wq_completion)nbd3-recv){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 1590.952344][ T29] #1: ffff80009c587c20 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 1590.955013][ T29] 1 lock held by udevd/10975: [ 1590.955994][ T29] #0: ffff0000ca5454c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.958188][ T29] 1 lock held by udevd/10996: [ 1590.959220][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.969264][ T29] 1 lock held by syz-executor.0/11294: [ 1590.971705][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xec/0x740 [ 1590.973929][ T29] 1 lock held by syz-executor.0/11463: [ 1590.975310][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.977703][ T29] 1 lock held by syz-executor.0/11878: [ 1590.979082][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.981801][ T29] 1 lock held by syz-executor.0/11884: [ 1590.983140][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.985490][ T29] 1 lock held by syz-executor.0/11893: [ 1590.986863][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.989240][ T29] 1 lock held by syz-executor.0/12064: [ 1590.990564][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.992203][T12458] chnl_net:caif_netlink_parms(): no params data found [ 1590.992829][ T29] 1 lock held by syz-executor.0/12067: [ 1590.995790][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1590.998929][ T29] 1 lock held by syz-executor.0/12072: [ 1591.001068][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1591.003495][ T29] 1 lock held by syz-executor.0/12266: [ 1591.004903][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1591.007204][ T29] 1 lock held by syz-executor.0/12272: [ 1591.008598][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1591.011071][ T29] 1 lock held by syz-executor.0/12274: [ 1591.012438][ T29] #0: ffff0000ca4164c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1591.014833][ T29] 1 lock held by syz-executor.3/12368: [ 1591.016217][ T29] #0: ffff0000ca5454c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xec/0x740 [ 1591.018395][ T29] 1 lock held by syz-executor.3/12378: [ 1591.019721][ T29] #0: ffff0000ca5454c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x114/0x55c [ 1591.022115][ T29] 2 locks held by syz-executor.0/12458: [ 1591.023426][ T29] #0: ffff800090f702e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdbc [ 1591.025634][ T29] #1: ffff80008e6ca238 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ac/0x728 [ 1591.028106][ T29] [ 1591.028560][ T29] ============================================= [ 1591.028560][ T29] [ 1591.031382][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 1591.032607][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 1591.034405][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 1591.036587][ T29] Call trace: [ 1591.037384][ T29] dump_backtrace+0x1b8/0x1e4 [ 1591.038478][ T29] show_stack+0x2c/0x3c [ 1591.039399][ T29] dump_stack_lvl+0xd0/0x124 [ 1591.040516][ T29] dump_stack+0x1c/0x28 [ 1591.041439][ T29] panic+0x30c/0x88c [ 1591.042314][ T29] hung_task_panic+0x0/0x2c [ 1591.043302][ T29] kthread+0x288/0x310 [ 1591.044274][ T29] ret_from_fork+0x10/0x20 [ 1591.045236][ T29] SMP: stopping secondary CPUs [ 1591.046276][ T29] Kernel Offset: disabled [ 1591.047346][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 1591.048708][ T29] Memory Limit: none [ 1592.012030][ T29] Rebooting in 86400 seconds..