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", 0x1000, 0x401, 0x0, 0x2}])
socket$inet_smc(0x2b, 0x1, 0x0)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
r3 = socket(0x37, 0x80000, 0x1)
setsockopt$PNPIPE_ENCAP(r3, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)
ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03)
r4 = syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x40000)
ioctl$NBD_PRINT_DEBUG(r4, 0xab06)

06:36:13 executing program 2:
io_submit(0x0, 0x7, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2}, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x2, 0x1ff, 0xffffffffffffffff, &(0x7f0000000940)="9025e55a0f4b1f1dbe54fbfce6927c3b7a1440344a09a64f538029ec47787f9b399d593e3330f998f2831267d5cb4ee285e9b367ee5f9324c4fd5ebfd54bfaf9098dc98ad6e50562a69bfaff66893b07bd61cefe", 0x54, 0x80, 0x0, 0x2}, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x5, 0xffffffffffffffff, &(0x7f0000000a00)="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", 0xfc, 0x2b2, 0x0, 0x1}, &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x2, 0x2, 0xffffffffffffffff, &(0x7f0000000b40)="af795c5ae3cae3cbce709128619705ae35283ee915142cd5764d7fca5d2b657efdbd0c9a740cb7479bfaa153cf8a994977202a73f83ed7edf7dd5c4fdbd35a2a7f9fb4c94148b7793b792588baf1d0ede79fd022df6f21b626231446a65eb5b4a28bb7a6f6fc40a7b52a01", 0x6b, 0x7fff, 0x0, 0x1}, &(0x7f0000000d40)={0x0, 0x0, 0x0, 0x7, 0x8, 0xffffffffffffffff, &(0x7f0000000c00)="6ba18256a49c98a449f153957a2535c4c47922ca772b30f6177bf6c89eec1a642ccc55be01e75a50e5fb3486fc38a1fe3439ffabac718ea01937e42a917c5865e2805b4a7c275aa54c76db7f20a3041200c29f6cd2ed2e851762cd86959a448beff5bee8d5090a10d63071c452d1499045dba286dfd77f7d1c1b0638955b79375cf6565056af536e9a80cfb8d23606439c1aa1fa96aa62a15b2fd7cfc006cc0b1f0f8d590cd7a388467416378784e709599871b87b780e2eda8614078c725c415c1a0c0d7e86dca284830307b5c5bf448f73647f", 0xd4, 0xffffffffffff4754, 0x0, 0x4}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, &(0x7f0000000000), 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})
r1 = openat$bsg(0xffffff9c, &(0x7f00000000c0), 0x8000, 0x0)
io_submit(0x0, 0x8, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2, r0}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2, r0}, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x2, 0x1ff, 0xffffffffffffffff, &(0x7f0000000940)="9025e55a0f4b1f1dbe54fbfce6927c3b7a1440344a09a64f538029ec47787f9b399d593e3330f998f2831267d5cb4ee285e9b367ee5f9324c4fd5ebfd54bfaf9098dc98ad6e50562a69bfaff66893b07bd61cefe", 0x54, 0x80, 0x0, 0x2}, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x5, 0xffffffffffffffff, &(0x7f0000000a00)="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", 0xfc, 0x2b2, 0x0, 0x1}, &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x2, 0x2, 0xffffffffffffffff, &(0x7f0000000b40)="af795c5ae3cae3cbce709128619705ae35283ee915142cd5764d7fca5d2b657efdbd0c9a740cb7479bfaa153cf8a994977202a73f83ed7edf7dd5c4fdbd35a2a7f9fb4c94148b7793b792588baf1d0ede79fd022df6f21b626231446a65eb5b4a28bb7a6f6fc40a7b52a01", 0x6b, 0x7fff, 0x0, 0x1, r1}, &(0x7f0000000d40)={0x0, 0x0, 0x0, 0x7, 0x8, 0xffffffffffffffff, &(0x7f0000000c00)="6ba18256a49c98a449f153957a2535c4c47922ca772b30f6177bf6c89eec1a642ccc55be01e75a50e5fb3486fc38a1fe3439ffabac718ea01937e42a917c5865e2805b4a7c275aa54c76db7f20a3041200c29f6cd2ed2e851762cd86959a448beff5bee8d5090a10d63071c452d1499045dba286dfd77f7d1c1b0638955b79375cf6565056af536e9a80cfb8d23606439c1aa1fa96aa62a15b2fd7cfc006cc0b1f0f8d590cd7a388467416378784e709599871b87b780e2eda8614078c725c415c1a0c0d7e86dca284830307b5c5bf448f73647f", 0xd4, 0xffffffffffff4754, 0x0, 0x4}, &(0x7f0000001d80)={0x0, 0x0, 0x0, 0x2, 0x1, r1, &(0x7f0000000d80)="dc1b9eb36435cd7f58ecbc812ae71c81bf4f2e087f68c850992410921bb10468445ac72a510ef04175412e34e86bbcf13e58da35d5eaae4891907380bbc89c97f706d147ef6130c2d2d4ca077baf53c90bd9a163e11cbf3b187ba2bff54d354a7a0363d7c607399cf2965443f95585a1c9889d017183059cc851fcb83d3e59c07e174b2c5f10c780f7dcc205491179231efbe3bea736e0f7d16f3d2bb2ee426ea5843511cac36c181ce29b36910f3ec1aa64962db52c32b4f9df6d93f16a57e0ebb9968f1e158892ad5720bd181b4f8ad8b4427d1f00846c8a7dd96238d4c30ec76b023c10b1e0764da60e19b6f7ffee948f338403f4585ba5f8594c40c5cd2caac72cf393bc14a38a879af29e5e9f5d32ef00323f959541a9f75a26ad499a27797b8de95c6d091cfc58f87b349d07a905dcff111ca5a46a66ab05f3ad0a35331d6e4ff1b0cbb34c34abf49f4c11879e7e5256b64323e82cfb73d2fe407a5aff3b9a79ba9bc54651b771e0843f5197b272d4a9b04ea2865940f6a8550698c2578ef70db5643f099b370ddcecaefc262fc98827225dd0d51952406d07e1ec9758fa9e78ffd9ae6f76534ba69a22093e991ef9f3cf929a7c3f4e222538503309d46c0c06f15d8cfbf2bac6eb8da37ec363b88e42dd04344d101794607a568ad3ca02e7e31c03340710dfe7bf367c44e14295a30d87bf13b9963c0deb9d8d1b77fe06c587531b44e080829eef22505126ed79c2c517082d2b94d650c259f24d63fa7530704ced6bd85ba1cfb50961011f353cceeb6ea7f24b8f74efebdc347cd4e228e7553cc2814f5d1dfdc0c8cc79df700ad80a1c6d9d76f14ba7a3f0b2072563ba1c05bbec10a24019b8f5fde55dfc1a4f69a2f9226415df75c703fb3544badc0c3afefbbe3fe3fc9b6e2a90c1c28a00b0692de2a012879a2baa8d98b54a931d359ad016848d93a7ed1c48e8b735b5a2319b015a1c99e987f1f50b9ce85754b89c81d0bad6cc366ed5a3651f8dd5d4d25c090d77746329c444b77f28cbfd3e427a03bba1eecbb544ecd99aaa8bcfadf1c6e5a58a53e42cd9801d137124bfb386c7cab5d84a2c2bd578d7447daccbdd21639df33c7f4df8da5ff031e18da73111a60f52e32c91c0d8ecf70edb7442d73baeb8ad904c71d763d87a32eede250fe6a03f0afc20886999368208a1d3346b69715c6b59301addf556774a018d99a5893837cc9ed982410179e599414f52655753bb4e455081514b3774dea24680857596dd53ff672c8012386e4337993dedbfb90c4b1aa063a94aa7a061d89bf7f5a76fff5adeae545ebc46204adaa93ce9126f8b51133a6cb98f1bc01a89621234f03daa559d2063eaa1f8d2794bed8009c68c45311f5c5d2677657ef96bb7502d63ca69bf71b77efe60d121a32d24f12c07caa2261871c3e4078559e07c962228a7903ee57e38c25a7f2426b7357b6258d17fbb9a4872c76b7af79e0f94b0b69f492e6a8e50c97b40b3a04a7dd45f510be9a0e8ed561879a1d86d4c716565480dd92291d5b0c45482b64a98b0af32c068a48aaec6ca0fda1ea5a7211f95bc4a33712ef9af879e119a5f93469a9a52b4871e4bfd4ed5cc051718513b3f8c8fb34cda87c4073bb028ddf31bed7e40a365b5c144814cfaf2b2bcf401244a78b36d1f15a60e480e9cefc0c74768692e527a6700807a1bc87b2545a963e911fde2cfa0a32e75463d24dcadd34710bd00e65e2d845adfa4770135426069fcceaf8fa75c16018b41f05e405ac1e58f0fbb2e4150ddccf74c5f833e192a0b5fb95978b80e61a19bb8aba6056bd223ce4298b14cc5594291990118224a4c752fc3a08dd01af45250757114a935411e5dbd9d6a8589fc533be203b3f23f846a207348d29e9386ed5b89db21cdbe8eb108f7fc34123ad3bfc81c2895f02d02d45e09d46ee646306f408611f63baf977ceb9ecc61996c960f21352fd597ecfa50c427274283c52d2e9de17a668ddd030f6016b4cf66effb93345454ad888bb66d4edb5c66b34c56004e7e6d835b4cf2760ac51dac1fd691711168792979e4173f9269f7c8f703a0374c19f54bbd26be8ffd2b604f4826f45e7dbb97be7628e44726b304806bd4c361addf0ba482487bcead3368ec7c6615224ca5e154088a01614768aab223e9c0dc27d6fbb3e2fa5f4b553a639661ca7eecf3aef2175f9486923e57a5aae53c0204972fb96402c3431fef7ab0209796a73a8470d1ce3a209ac018c974ed97e8536512ad9981b25311a50e4d983afea55d281474fb9e06d544e892848d1f5cb9ca12a44654eaf07052298c938537c6b7c6eb0988f9d862b6a7358c804f8300e39a019d71feaa154a8c45cd9986784e6d66151cf4f9f407654b5080c57cfcdc40128d68e518a82f3fd64e1efd0e1cce58d604c7188e47a200f41496a08268e091058a2199068ac4d9775dd92dbbab4f164f9d8521e5fa62d578facf89ba139c23aeb866b96bc09c6944d2c567576a362d1845aea8d1be61764a9f1825e7d50c920d246b5a42d114d0d26acb76ba251a23693af8ef5221f88c5e495c521d323605f9f33330d3cfc433dc97503e3e04d76a97e2a90f30efa7632d3fee9e0a577dad98327b75cf1129fc062acfd3f7b63e74b44bb27131d89bdd5f715f67c650485f47f9e1bf1a0109d9f8122a2a35d9e4b6fb5caba55e76353de581ec2c215551bb0a17607a9da20ea4d504f329ead40cfc36d6e3a125f1ea9ab5adb9166b240bd45ac29ff716c6b3951754477dfa8e36afffdaa9907b09d631133458f26cf463fec7178bd80fcaf7397ddfb363011cd577a026c0506e9d76be2a3c84006f3f717c45ed7e008773d865e5d9118358210297b6e30dbb67f34c52d792ae21cd0ab68d2e67c31b2c2d0b53ed546536d206ac9d031f8de484bcb62b0f64d3c23eb129ba5bb654ed3a0f47b71c5b74bca265592b6376aecbef4af7a97a024b55bfaad99acb45c1b4b4b2372231da72568b86be92d0e4d85dc9d79c2a5e4e927a851ba0ff50db21ae2414d2fa28b5acc3fd281bc74c3aa8d4d77a96906c3769cfd41b16e7bb938b640a613a785cd5fc9c4db8ecf9f68f883249d7c3a864eece681781bc606248837c23d744fc40c3fb515069ca69fd6f379b961c9bf77da9d8d59d574800c1a320fe7b6b7a285a9fc8dd2933ac2aead19f84b171819e6f096002e701006f783d98bffb84e80304f7d60b79beacd79261e178f48fd823b6669f8d80356114251ec92664963222a0f590bc3e9b628d91f5805263ce2dff6884f4e89fb297b12825b8936f48952e89e8918f6e8dc87858e0d73ae79de5c0b1ebe52fd03e8808e4ca301a8b8bb33c7c3f6aa2bff6d7f2e07aee9372152981c24aff592b9818cbb73c3f1a2fdea76e9529c44d9fa03f093a48cb73cf1da030448507c9f5342d14ba806b7ba39cad7227bd75a8d4ac85aec964a3bb53b1c467b74a7406f4ca65842b7204574472d4c9d234c1c51e55f570ac15bab554beb5a46ea02bc1a299c91262de2e519da0f69409a8d30daf820e435c6d497f75b0a85faa47cce9327befb7414a4c3d27bf1556a362324ad7f4fe36455bdfbeb0e61e9db0bd0e42308492079a3258f73ea725ef78fde4991cb6e460eeceaf44303ac84657f8e7fcb1a19a2aa41dce8f1c5a07aadf1ce8f505742937d8e8762631e607bf6b0de901cfdf0a0d65d7e05fadbf03ca99c36e3d50d3d63eebf185970ed8dd8acf2a6137ac75830659a3951ac07d6917d62880d260d8361ceb4420c3d6e50ab7d268ec03ffc85a9abf8e36058317d5bc8cb941aa2e4f60918b694b5ac59b45287572123552ad4751f38b19576e8bd4f6412aa0008db35d366903d0cd2ee09d321865ae47e1be54464ccec3dfc927b9dd591a6329e9bd60154d0ab305cc333062cb7378a828c569c9d7e7d153e1af290435a7e419a11f74e546ca7d9514ea677a4572ca49cc9355617fc9d70296f5e25f60ac0e5eacfbee8f76d1ceef14da9fa39950d381f164b7a6040fcd2bb0aa6323e620d511305ecb84fb44a27f019df977b33f1fcff705e4a17571a771ab19e90bb7411962bf7bb79d6e464fd5ef86e3b9313850ef73b2e8fb5db417e92e41fa7d8060e79fd30f0215fbd9f5f9e8ed7dd19bcb101f85f78a5e41a3d8900c6c13939f64f85a90c741b37b97c81da369d886a871e812e9b757445bbb83d7e579d8c167df15d12b299f27cbe21e8c6c980d97404184cc98a57f1472a81effabd64e325bdcb24ee720c88e8e174293fc6958fd6361e3585e17d21b96b88657a17aa6581f411b4c55ae74332e7aa32505a617e04fa9aed9e307a3a0584a21c108e8b43aae0738e99fc1040176397e2cc04b9950ff8c6db1f7750e516ea5226b8f0a6fa94b6d5e8203ffa714134d8f42db580a0d6ab20a088c1f150dcf4781c93e17f49dd9e68af6c4f63c2afd542f5757cab79ac8c58449e7528351cfc73d8e7d14765bb715d26ca55712d7ca0cf94824f6875276675d98406d39a732ca691253f0985ced84c01594af2e6246b8ca0976132c7ea18965c73a9bd5a78a5bf675dda633724916af39e6bff64335e15392afc304a7ebc916c146ae2ff9cb61fcde09d5afe3bfc114e4a4cec26a58936cf4e5b68d219b48dfb11742bb881cc41dc5aad126e4b6a40b12a8bea85d84e1134bf2e7a21bcb31776df99cff67be47d112b0da9c590bf0a93b8c413e0da3281850a2a61bcca05d4e19a8f30851cf391848547a29f26a62b5576f578b5b5b22aaef9fc06c3b1cc31586476dc97ffbe4a171f2055d3fb44fcbab2801045bd74cdd96b4a691390fa430568a1957bbf4d556c64d3a291747d7243045d5e1fa229eb751691cb70fac8a96c4d05dfd16e79737a9f287196d724c798df70bf235ebd44a6aaf4d674c9b0d54b81b7951a4d4ed297523601ee4c0baec2443f23844edda30e6fbc15f65ab9a0622ebcebb53f84dcb81d3aa418407d368e9d049c32bd2c05ae5cc87a74aaecfe19adc2e2c030e30237961f9492d8594a2707958f5361fe5e2c02e8258ce559fb7f4caff02041908b9f9c5cba90afbe002a29799c3ca49ddd33eaabe71dd9a8fbc41e10c55b1b6c228c426f0d976a952ac363a7082966812cd15b2ac778c534ebb136e41732114e2794c6945188c7d38106a35bca0f8f99f0aa61709e5ace86228afb3cca15da6f80de67f68e14040488dcf188f1bcef573011711e68a29a4b4891ba65326509f4509465cd9c6037c0a0c9ac37871106476d91302fc9584207c5406ac0c19c17c6d9e8881a4eb4133260318af57a34ef80445813fdafbe7a94404d376c744080b2b69aefa711d167a7d07ac79fea58560f196ef775afdb7ec656ba9570af0f6f63cd3add565e395ce6fe575490a9172bbd83a9a8c8d77eab7ea5bdd0c4eff8092165ac06662f5a2e504d89db4c04238e56c9a69bdc97394d312a24951c7928e2b46bcdd1459a1309eaf73610fa377ad4422b60e7ab41275be8804c378f6f99f5b86d877e7d9902e315f6163d2179ff703282d6c330c61e4bef4a60a0734245f3fcbb2bb80b462f09d919eb5f0f2d94586be48b08c9a35819d8f6136c220e0eb080ebb55923bd9f58b5a0cf87332af82724a35a906c915e3c7929154078df76df505e7cb185f3b49d3ec287d07b168f00d5a03522f13ddfae5637c8d31071298234fca92bc68f242bfce754aa958c167a6c37dd2cab281caa01141d70977158d1c979b887791c8700365f263b4493fdccb40a782fb3db27fa2232800ef9aaf6560", 0x1000, 0x401, 0x0, 0x2}])

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
io_submit(0x0, 0x6, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2}, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x2, 0x1ff, 0xffffffffffffffff, &(0x7f0000000940)="9025e55a0f4b1f1dbe54fbfce6927c3b7a1440344a09a64f538029ec47787f9b399d593e3330f998f2831267d5cb4ee285e9b367ee5f9324c4fd5ebfd54bfaf9098dc98ad6e50562a69bfaff66893b07bd61cefe", 0x54, 0x80, 0x0, 0x2}, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x5, 0xffffffffffffffff, &(0x7f0000000a00)="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", 0xfc, 0x2b2, 0x0, 0x1}, &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x2, 0x2, 0xffffffffffffffff, &(0x7f0000000b40)="af795c5ae3cae3cbce709128619705ae35283ee915142cd5764d7fca5d2b657efdbd0c9a740cb7479bfaa153cf8a994977202a73f83ed7edf7dd5c4fdbd35a2a7f9fb4c94148b7793b792588baf1d0ede79fd022df6f21b626231446a65eb5b4a28bb7a6f6fc40a7b52a01", 0x6b, 0x7fff, 0x0, 0x1}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
r3 = socket(0x37, 0x80000, 0x1)
setsockopt$PNPIPE_ENCAP(r3, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)
ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03)
r4 = syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x40000)
ioctl$NBD_PRINT_DEBUG(r4, 0xab06)

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, &(0x7f0000000000), 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})
openat$bsg(0xffffff9c, &(0x7f00000000c0), 0x8000, 0x0)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, &(0x7f0000000000), 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 2:
io_submit(0x0, 0x5, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2}, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x2, 0x1ff, 0xffffffffffffffff, &(0x7f0000000940)="9025e55a0f4b1f1dbe54fbfce6927c3b7a1440344a09a64f538029ec47787f9b399d593e3330f998f2831267d5cb4ee285e9b367ee5f9324c4fd5ebfd54bfaf9098dc98ad6e50562a69bfaff66893b07bd61cefe", 0x54, 0x80, 0x0, 0x2}, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x5, 0xffffffffffffffff, &(0x7f0000000a00)="f50c148ba8316ba1935c2b9c3bd3af077552c231148ae3de93e8f6cbebd2979b633692e65023d84d406ab971d2426bf4b535812ffbb6214ee65f2bec427095dca27fe67be6f1227f07a1ce75df6d66269f1164ecfc1f41d228b7e7095cb5a20341f0e40346d20f4da6b483da45df98687356223872e0ff1451b2705f8f6cd66471b4746085dc97e7eebe1d1ab659144fd24bd1f084e02cb3e38214a3bc79df4f916b6f929339b5cf840df9dda0d0acc17965f5208b2fd56af952d285ed0750d34b7a0afad83b30d8a7d80f30c83cdf8aff510e82f8beea6a772685f9c9e46400a434e0e54646bdf13ef429acb383586db8cd39c31e3db5b96affcff2", 0xfc, 0x2b2, 0x0, 0x1}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 2:
io_submit(0x0, 0x4, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2}, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x2, 0x1ff, 0xffffffffffffffff, &(0x7f0000000940)="9025e55a0f4b1f1dbe54fbfce6927c3b7a1440344a09a64f538029ec47787f9b399d593e3330f998f2831267d5cb4ee285e9b367ee5f9324c4fd5ebfd54bfaf9098dc98ad6e50562a69bfaff66893b07bd61cefe", 0x54, 0x80, 0x0, 0x2}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
r3 = socket(0x37, 0x80000, 0x1)
setsockopt$PNPIPE_ENCAP(r3, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)
ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03)
syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x40000)

06:36:13 executing program 2:
io_submit(0x0, 0x3, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x8, 0x5, 0xffffffffffffffff, &(0x7f0000000800)="9e4b46a5f157da2759b614839235ae63bac4b6faa4ca674e38a603a9ce97695f170e6a7e65c7ef826c26bfdafd4b9ef1c7aa5426a567944ba3ac376b642cdd46d69f6d516b71e6cc5675b240b2750f4b3f1d0955ce73a5ac536d782099bae6ad4aceaf0fe24955a74eb2dd9aef262aa77c1cc0ac0c2a7ba1a6bed736179f438004e82b6d5c35b0959756bff17210ec39d0d4318bb59f314da2a136528c3f5ae3b6913ae8e38bea2e1f9e7f3cb3e05104f8ffaa31da5dab1f3e82a51d6e434902df0f231cf5a98b1834452bd43bfacacba4b35ff5cadd321c11a0dfcd7ce44a", 0xdf, 0x200, 0x0, 0x2}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
io_submit(0x0, 0x2, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x2, 0x1000, 0xffffffffffffffff, &(0x7f0000000740)="13cc2c925d9937bfa70df43113", 0xd, 0x5, 0x0, 0x2}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
r3 = socket(0x37, 0x80000, 0x1)
setsockopt$PNPIPE_ENCAP(r3, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)
ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[&(0x7f0000000700)={0x0, 0x0, 0x0, 0x1, 0x3, 0xffffffffffffffff, &(0x7f0000000680)="d77d2ad24f31778fd0079d207ed3e81ec0d45037b41fec81a0c745777c35e940f990a7225bc80947fa6743041f90dd37579e38043f3ab1e9b30f78087247d0e6256def66c07227109096091643ad5599b20b9c5c4cdd1f539f321766b236bb1ce6843cd529c180779b496df4534b1d51c4edddc4e8e1e60f080567e2", 0x7c}])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, 0x0, 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
io_submit(0x0, 0x0, &(0x7f0000001dc0))
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, 0x0, 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 2:
io_submit(0x0, 0x0, &(0x7f0000001dc0))
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
r3 = socket(0x37, 0x80000, 0x1)
setsockopt$PNPIPE_ENCAP(r3, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, 0x0, 0x2000, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 2:
io_submit(0x0, 0x0, &(0x7f0000001dc0))
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 0:
openat$bsg(0xffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
openat$bsg(0xffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 0:
openat$bsg(0xffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000040)={{0x8001, 0xfffb, 0xe1be, 0x8}, 'syz1\x00', 0x4f})

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 0:
r0 = openat$bsg(0xffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, 0x0)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000001e00))

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

[   50.305095][ T5252] workqueue: Failed to create a rescuer kthread for wq "nfc2_nci_rx_wq": -EINTR
[   51.664040][ T5155] Bluetooth: hci2: command 0x041b tx timeout
[   51.673766][ T5155] Bluetooth: hci0: command 0x041b tx timeout
06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, 0x0)

[   51.676036][ T5155] Bluetooth: hci3: command 0x041b tx timeout
06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, 0x0)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 3:
sendto$phonet(0xffffffffffffffff, &(0x7f0000000840)="a756efab7e85513033c3a5dcded3c0c8cf044fd78d8a1cd56910b6e6ff6c6e192ec916c85b503182856af872a74cb494b3a1a303418cf521", 0x38, 0x801, 0x0, 0x0)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 2:
io_submit(0x0, 0x1, &(0x7f0000001dc0)=[0x0])
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, 0x0)

06:36:13 executing program 3:
sendto$phonet(0xffffffffffffffff, 0x0, 0x0, 0x801, 0x0, 0x0)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
sendto$phonet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)

[   51.753770][ T5146] Bluetooth: hci1: command 0x041b tx timeout
06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
socket(0x37, 0x80000, 0x1)

06:36:13 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:13 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:14 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:14 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   53.743984][ T5155] Bluetooth: hci3: command 0x040f tx timeout
[   53.749229][ T5146] Bluetooth: hci0: command 0x040f tx timeout
[   53.749253][ T5159] Bluetooth: hci2: command 0x040f tx timeout
06:36:15 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   53.825104][ T5159] Bluetooth: hci1: command 0x040f tx timeout
06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:15 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:15 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:16 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:16 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   55.833895][ T5155] Bluetooth: hci2: command 0x0419 tx timeout
[   55.833971][ T5159] Bluetooth: hci3: command 0x0419 tx timeout
[   55.836763][ T5155] Bluetooth: hci0: command 0x0419 tx timeout
06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

[   55.914008][ T5155] Bluetooth: hci1: command 0x0419 tx timeout
06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:17 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:17 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:18 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:18 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:19 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:19 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:19 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140), 0x4)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:20 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:20 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:20 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:20 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:20 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:21 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)

06:36:21 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)

06:36:21 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:21 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:21 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 2:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:21 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:21 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:22 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 0:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:22 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:22 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:22 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:22 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:22 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:22 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:22 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:22 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:22 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:22 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:22 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:22 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:22 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:22 executing program 3:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:22 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:22 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:23 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:23 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:23 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:23 executing program 2:
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
socket(0x0, 0x0, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
socket(0x0, 0x0, 0x0)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:23 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
socket(0x0, 0x0, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
socket(0x0, 0x0, 0x0)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x0, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 2:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:24 executing program 1:
socket(0x0, 0x0, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:24 executing program 2:
socket(0x0, 0x0, 0x1)

06:36:24 executing program 1:
socket(0x0, 0x0, 0x0)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:24 executing program 2:
socket(0x0, 0x0, 0x0)

06:36:24 executing program 1:
socket(0x0, 0x0, 0x0)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x200000)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x200000)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, 0x0, 0x0)

06:36:24 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x200000)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
socket(0x0, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:24 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:24 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:25 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:25 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:25 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
r0 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 2:
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:25 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:25 executing program 3:
r0 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:25 executing program 2:
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:25 executing program 3:
r0 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:25 executing program 2:
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:25 executing program 3:
r0 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:25 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:25 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:25 executing program 3:
r0 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:26 executing program 0:
r0 = openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:26 executing program 3:
r0 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3ff)

06:36:26 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:26 executing program 3:
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:26 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 3:
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:26 executing program 2:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 3:
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 3:
r0 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:26 executing program 1:
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   65.225691][ T9977] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   65.247326][ T9988] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:26 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   65.279039][ T9994] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:26 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:26 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   65.296621][T10001] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:26 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   65.381573][T10027] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   65.442481][T10049] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   65.507477][T10073] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   65.574458][T10093] blktrace: Concurrent blktraces are not allowed on nbd0
[   65.597554][T10105] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   65.615547][T10111] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   65.662538][T10125] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   65.683327][T10131] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   65.713443][T10144] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   65.751272][T10156] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   65.787819][T10161] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   65.979637][T10232] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   66.024469][T10250] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:27 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   66.072331][T10265] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:27 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:27 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:27 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   66.624511][T10453] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   66.665797][T10466] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   66.737298][T10491] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   67.129482][T10646] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   67.190854][T10671] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.228504][T10688] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.269618][T10702] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:28 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:28 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:28 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   67.356115][T10734] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.389653][T10750] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.438834][T10772] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   67.501257][T10792] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.542499][T10812] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   67.611826][T10829] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   67.687831][T10855] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   67.748382][T10867] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   67.806229][T10887] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   67.856815][T10913] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   67.918524][T10935] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   67.980157][T10957] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   68.034506][T10971] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.094213][T10988] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   68.167544][T11008] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   68.247969][T11037] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:29 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:29 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:29 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.333443][T11059] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   68.413542][T11080] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   68.460083][T11097] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.553092][T11121] blktrace: Concurrent blktraces are not allowed on nbd0
[   68.557607][T11123] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   68.585859][T11133] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.602837][T11140] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   68.630620][T11148] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.638459][T11153] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   68.653358][T11155] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   68.658975][T11157] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   68.672985][T11165] blktrace: Concurrent blktraces are not allowed on nbd3
[   68.680961][T11168] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.690597][T11170] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   68.712864][T11182] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   68.720394][T11184] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   68.769741][T11202] blktrace: Concurrent blktraces are not allowed on nbd3
[   68.777212][T11207] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

[   68.833902][T11223] blktrace: Concurrent blktraces are not allowed on nbd0
[   68.837061][T11224] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   68.872890][T11242] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

[   68.891820][T11248] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x0, 0x80000, 0x1)

[   68.965977][T11267] blktrace: Concurrent blktraces are not allowed on nbd0
[   68.970464][T11276] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

[   69.023711][T11286] blktrace: Concurrent blktraces are not allowed on nbd0
[   69.030447][T11289] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

[   69.046153][T11301] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

[   69.056573][T11303] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.068702][T11307] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x0, 0x1)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x0)

06:36:30 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:30 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

[   69.164467][T11343] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:30 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x0)

06:36:30 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:30 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x0)

06:36:30 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:30 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:30 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:30 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:31 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x0)

06:36:31 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x0, 0x0, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

[   69.492709][T11442] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.534052][T11454] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   69.568287][T11470] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   69.583839][T11478] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   69.613661][T11482] blktrace: Concurrent blktraces are not allowed on nbd2
[   69.619278][T11487] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   69.678156][T11501] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   69.713212][T11509] blktrace: Concurrent blktraces are not allowed on nbd3
[   69.727590][T11512] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.755328][T11517] blktrace: Concurrent blktraces are not allowed on nbd2
[   69.763327][T11523] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})

[   69.778456][T11528] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.796493][T11531] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.806825][T11537] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:31 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:31 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   69.830250][T11542] blktrace: Concurrent blktraces are not allowed on nbd0
[   69.837590][T11547] blktrace: Concurrent blktraces are not allowed on nbd1
[   69.842335][T11546] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.862364][T11553] blktrace: Concurrent blktraces are not allowed on nbd3
[   69.865342][T11554] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   69.872608][T11556] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   69.905346][T11563] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   69.910786][T11565] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.932899][T11576] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:31 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   69.971874][T11584] blktrace: Concurrent blktraces are not allowed on nbd1
[   69.973148][T11586] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   69.991768][T11591] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.008138][T11601] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.050271][T11615] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.104092][T11630] blktrace: Concurrent blktraces are not allowed on nbd1
[   70.115936][T11633] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.167773][T11649] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:31 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.176853][T11654] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.189342][T11658] blktrace: Concurrent blktraces are not allowed on nbd2
[   70.206887][T11666] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:31 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.241013][T11672] blktrace: Concurrent blktraces are not allowed on nbd2
[   70.253146][T11678] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:31 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:31 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.298270][T11694] blktrace: Concurrent blktraces are not allowed on nbd0
[   70.308673][T11698] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:31 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:32 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.352667][T11712] blktrace: Concurrent blktraces are not allowed on nbd0
[   70.352697][T11714] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.369130][T11724] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})

[   70.413638][T11737] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.416450][T11738] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   70.454227][T11752] blktrace: Concurrent blktraces are not allowed on nbd1
[   70.462992][T11755] blktrace: Concurrent blktraces are not allowed on nbd3
[   70.470975][T11761] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.497921][T11766] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.565375][T11796] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.644632][T11818] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.721866][T11844] blktrace: Concurrent blktraces are not allowed on nbd3
[   70.724379][T11843] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   70.748388][T11851] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.774763][T11858] blktrace: Concurrent blktraces are not allowed on nbd0
[   70.778970][T11860] blktrace: Concurrent blktraces are not allowed on nbd3
[   70.781464][T11862] blktrace: Concurrent blktraces are not allowed on nbd2
[   70.785744][ T1339] ieee802154 phy0 wpan0: encryption failed: -22
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.788098][ T1339] ieee802154 phy1 wpan1: encryption failed: -22
06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.808083][T11872] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.854444][T11883] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.877448][T11892] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

[   70.939349][T11910] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.992502][T11927] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   70.997159][T11930] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:32 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   71.016366][T11936] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.042211][T11943] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.081342][T11949] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.126551][T11971] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.241686][T12015] blktrace: Concurrent blktraces are not allowed on nbd2
[   71.241827][T12017] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.277810][T12032] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:32 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:32 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.320059][T12043] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.347197][T12055] blktrace: Concurrent blktraces are not allowed on nbd2
[   71.372604][T12063] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.404015][T12075] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.463559][T12093] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.471358][T12099] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.504844][T12113] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.544190][T12130] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.579308][T12140] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.599362][T12150] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.642560][T12158] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.642806][T12161] blktrace: Concurrent blktraces are not allowed on nbd1
[   71.657624][T12169] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.694004][T12178] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.705410][T12185] blktrace: Concurrent blktraces are not allowed on nbd1
[   71.705424][T12184] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.717700][T12189] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.751377][T12203] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.755936][T12206] blktrace: Concurrent blktraces are not allowed on nbd0
[   71.764217][T12213] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

[   71.786148][T12220] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.809192][T12230] blktrace: Concurrent blktraces are not allowed on nbd0
[   71.815528][T12232] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.848246][T12241] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.857164][T12245] blktrace: Concurrent blktraces are not allowed on nbd0
[   71.870814][T12252] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.886688][T12260] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.924073][T12269] blktrace: Concurrent blktraces are not allowed on nbd2
[   71.924319][T12268] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   71.964071][T12279] blktrace: Concurrent blktraces are not allowed on nbd2
[   71.981334][T12287] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   72.000102][T12295] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.017704][T12300] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.045625][T12305] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   72.052678][T12309] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

[   72.065322][T12313] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.081958][T12316] blktrace: Concurrent blktraces are not allowed on nbd0
[   72.096902][T12321] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.103386][T12325] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.135217][T12334] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.168286][T12342] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

[   72.169788][T12343] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.199244][T12353] blktrace: Concurrent blktraces are not allowed on nbd3
[   72.203492][T12356] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.224868][T12363] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.231353][T12368] blktrace: Concurrent blktraces are not allowed on nbd3
[   72.234987][T12370] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:33 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.254465][T12376] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:33 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:33 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

[   72.291793][T12388] blktrace: Concurrent blktraces are not allowed on nbd3
[   72.296650][T12390] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.300611][T12392] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:33 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

[   72.342224][T12408] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   72.355022][T12413] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.384973][T12428] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.404630][T12437] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   72.431477][T12446] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.437353][T12447] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x0, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.474720][T12458] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.477387][T12459] blktrace: Concurrent blktraces are not allowed on nbd0
[   72.479653][T12461] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   72.513645][T12466] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   72.526356][T12475] blktrace: Concurrent blktraces are not allowed on nbd0
[   72.529389][T12478] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.553417][T12485] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.578006][T12488] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   72.588858][T12493] blktrace: Concurrent blktraces are not allowed on nbd0
[   72.595518][T12494] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   72.618602][T12501] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   72.640319][T12509] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.665078][T12511] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   72.700800][T12521] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   72.713982][T12524] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.755257][T12538] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, 0x0, 0x181542, 0x0)

[   72.784107][T12545] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.797523][T12555] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.822981][T12563] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.827104][T12565] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   72.891748][T12577] blktrace: Concurrent blktraces are not allowed on nbd1
[   72.894424][T12576] blktrace: Concurrent blktraces are not allowed on nbd2
[   72.901254][T12580] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   72.939476][T12589] blktrace: Concurrent blktraces are not allowed on nbd2
[   72.942917][T12591] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.000529][T12606] blktrace: Concurrent blktraces are not allowed on nbd1
[   73.021143][T12615] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.054406][T12623] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.093791][T12635] blktrace: Concurrent blktraces are not allowed on nbd2
[   73.093807][T12636] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.128984][T12648] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:34 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.160690][T12660] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.189554][T12672] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   73.219855][T12679] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.258078][T12693] blktrace: Concurrent blktraces are not allowed on nbd1
[   73.259208][T12695] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:34 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.299263][T12711] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:34 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:34 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   73.309211][T12717] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   73.344717][T12731] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   73.450114][T12782] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.495367][T12803] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.534101][T12818] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.645601][T12859] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   73.668428][T12871] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.710148][T12882] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.771238][T12907] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.778269][T12911] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.805616][T12922] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.832321][T12927] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   73.871838][T12942] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.069483][T13015] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.159984][T13040] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.203134][T13059] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.225934][T13067] blktrace: Concurrent blktraces are not allowed on nbd2
[   74.229004][T13069] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.257577][T13079] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:35 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.294813][T13088] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:35 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:35 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.309794][T13099] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.349331][T13112] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.375210][T13119] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.410924][T13132] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.435979][T13144] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.462861][T13157] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.484152][T13162] blktrace: Concurrent blktraces are not allowed on nbd0
[   74.496130][T13165] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.522787][T13179] blktrace: Concurrent blktraces are not allowed on nbd2
[   74.527117][T13178] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.537647][T13184] blktrace: Concurrent blktraces are not allowed on nbd1
[   74.539789][T13186] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.568748][T13194] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.578415][T13196] blktrace: Concurrent blktraces are not allowed on nbd1
[   74.581325][T13198] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.591654][T13201] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.614288][T13205] blktrace: Concurrent blktraces are not allowed on nbd3
[   74.617002][T13207] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.645104][T13212] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.656368][T13214] blktrace: Concurrent blktraces are not allowed on nbd1
[   74.668018][T13222] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.695737][T13229] blktrace: Concurrent blktraces are not allowed on nbd1
[   74.702397][T13238] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.740101][T13249] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.760110][T13257] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

[   74.792752][T13265] blktrace: Concurrent blktraces are not allowed on nbd1
[   74.801743][T13270] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.833185][T13285] blktrace: Concurrent blktraces are not allowed on nbd3
[   74.853866][T13287] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.877818][T13294] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   74.906806][T13304] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   74.932598][T13315] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   74.992071][T13335] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:36 executing program 3:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x0)

[   75.068122][T13370] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   75.080601][T13374] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   75.092345][T13380] blktrace: Concurrent blktraces are not allowed on nbd2
[   75.102575][T13388] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   75.132032][T13391] blktrace: Concurrent blktraces are not allowed on nbd3
[   75.132425][T13392] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   75.158632][T13405] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   75.180104][T13411] blktrace: Concurrent blktraces are not allowed on nbd1
[   75.183940][T13414] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   75.219795][T13425] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   75.225161][T13427] blktrace: Concurrent blktraces are not allowed on nbd2
[   75.236578][T13435] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   75.260429][T13440] blktrace: Concurrent blktraces are not allowed on nbd2
[   75.267338][T13442] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:36 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   75.288114][T13450] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:36 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:36 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   75.308803][T13456] blktrace: Concurrent blktraces are not allowed on nbd0
[   75.310096][T13457] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   75.349218][T13474] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(0x0, 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   75.838356][T13588] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   75.889015][T13610] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   75.929071][T13622] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   75.951357][T13630] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   75.972322][T13634] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.019247][T13636] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

[   76.031782][T13647] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

06:36:37 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:37 executing program 3:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:37 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:37 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:37 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x0)

[   76.291478][T13745] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:37 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:37 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:37 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.318340][T13757] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   76.328377][T13761] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.337986][T13764] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.352505][T13770] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

[   76.358270][T13772] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.369524][T13776] blktrace: Concurrent blktraces are not allowed on nbd3
[   76.371638][T13778] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   76.389964][T13786] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.419424][T13790] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.460340][T13801] blktrace: Concurrent blktraces are not allowed on nbd0
[   76.465771][T13803] blktrace: Concurrent blktraces are not allowed on nbd2
[   76.476149][T13813] blktrace: Concurrent blktraces are not allowed on nbd3
[   76.502908][T13822] blktrace: Concurrent blktraces are not allowed on nbd2
[   76.503827][T13818] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.546941][T13834] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

[   76.599239][T13844] blktrace: Concurrent blktraces are not allowed on nbd0
[   76.599474][T13846] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.645325][T13863] blktrace: Concurrent blktraces are not allowed on nbd2
[   76.651036][T13868] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.679615][T13873] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   76.778205][T13915] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   76.810602][T13927] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)

[   76.830113][T13932] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.841744][T13939] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.847177][T13941] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.866324][T13946] blktrace: Concurrent blktraces are not allowed on nbd3
[   76.873551][T13951] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.900264][T13960] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   76.918272][T13968] blktrace: Concurrent blktraces are not allowed on nbd0
[   76.921955][T13965] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.947908][T13975] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   76.973161][T13984] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.018556][T14003] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.076468][T14032] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.117365][T14047] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:38 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.293160][T14115] blktrace: Concurrent blktraces are not allowed on nbd1
[   77.299615][T14121] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:38 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:38 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.325017][T14126] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:39 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

[   77.354608][T14134] blktrace: Concurrent blktraces are not allowed on nbd3
[   77.374122][T14143] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.402128][T14151] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x0, 0x1)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.649428][T14242] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x0, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.732115][T14265] blktrace: Concurrent blktraces are not allowed on nbd2
[   77.734987][T14266] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.787690][T14284] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.798652][T14288] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.866458][T14308] blktrace: Concurrent blktraces are not allowed on nbd2
[   77.871728][T14313] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.915087][T14325] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.938757][T14336] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   77.973228][T14347] blktrace: Concurrent blktraces are not allowed on nbd1
[   77.981428][T14351] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.009971][T14359] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.035747][T14372] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.078025][T14384] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.078190][T14385] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.087775][T14390] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.137674][T14404] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.149126][T14409] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.171275][T14419] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.206004][T14424] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.210230][T14426] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(0x0, 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.216150][T14431] blktrace: Concurrent blktraces are not allowed on nbd3
[   78.224658][T14437] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.251811][T14442] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.258339][T14447] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:39 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

[   78.270881][T14452] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:39 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.293287][T14460] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:39 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.308108][T14465] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:39 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.310540][T14467] blktrace: Concurrent blktraces are not allowed on nbd2
[   78.324915][T14472] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x0, 0x80000, 0x1)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.353155][T14480] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.362571][T14485] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.375760][T14493] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.406190][T14498] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.409441][T14502] blktrace: Concurrent blktraces are not allowed on nbd2
[   78.412410][T14505] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.456707][T14519] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.460864][T14518] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.480000][T14527] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.514573][T14533] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 1:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   78.520186][T14537] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.521674][T14538] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.575304][T14555] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   78.592858][T14562] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   78.607839][T14567] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.616014][T14573] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   78.640414][T14581] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.664736][T14588] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.672690][T14591] blktrace: Concurrent blktraces are not allowed on nbd3
[   78.693136][T14598] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.707861][T14603] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.741773][T14612] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

[   78.745239][T14614] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.778282][T14621] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.781730][T14625] blktrace: Concurrent blktraces are not allowed on nbd2
[   78.789131][T14627] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})

[   78.802350][T14632] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.805123][T14635] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   78.833246][T14639] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.835032][T14640] blktrace: Concurrent blktraces are not allowed on nbd3
[   78.839779][T14642] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.895245][T14655] blktrace: Concurrent blktraces are not allowed on nbd0
[   78.896305][T14656] blktrace: Concurrent blktraces are not allowed on nbd3
[   78.903923][T14660] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.943483][T14670] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})

[   78.950265][T14672] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   78.963193][T14679] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   78.979393][T14681] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   78.988603][T14683] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0x0, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   79.018989][T14691] blktrace: Concurrent blktraces are not allowed on nbd2
[   79.020493][T14692] blktrace: Concurrent blktraces are not allowed on nbd0
[   79.025790][T14687] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   79.039261][T14697] blktrace: Concurrent blktraces are not allowed on nbd0
[   79.040363][T14699] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, 0x0, 0x2, 0x0)

[   79.059381][T14704] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   79.087724][T14715] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

[   79.112074][T14727] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x0, 0x0, 0xffffffffffffffff})
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:40 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   79.141573][T14737] blktrace: Concurrent blktraces are not allowed on nbd3
[   79.147725][T14742] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:40 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

[   79.185559][T14757] blktrace: Concurrent blktraces are not allowed on nbd2
[   79.189724][T14760] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:40 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)

[   79.228409][T14773] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:40 executing program 0:
syz_open_dev$ndb(0x0, 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x0, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   79.248286][T14780] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:40 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:40 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:40 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:40 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:40 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:40 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(0x0, 0x0, 0x40080)

06:36:40 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)

06:36:41 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:41 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 2:
syz_open_dev$ndb(0x0, 0x0, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

[   79.461620][T14860] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

[   79.586792][T14918] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

06:36:41 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x6, 0x0, 0x0, 0x0, 0xffffffffffffffff})

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x2, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff})

06:36:41 executing program 2:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)

06:36:41 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

[   80.076923][T15107] blktrace: Concurrent blktraces are not allowed on nbd0
06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   80.099176][T15119] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:41 executing program 2:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:41 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:41 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:42 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 1:
r0 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:42 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:42 executing program 1:
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)

[   80.646966][T15240] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   80.695140][T15258] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

[   80.863888][T15289] blktrace: Concurrent blktraces are not allowed on nbd2
[   80.865785][T15291] blktrace: Concurrent blktraces are not allowed on nbd1
06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

[   80.929409][T15308] blktrace: Concurrent blktraces are not allowed on nbd2
[   80.932089][T15310] blktrace: Concurrent blktraces are not allowed on nbd3
06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)

[   80.985982][T15324] blktrace: Concurrent blktraces are not allowed on nbd2
06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

[   81.031609][T15344] blktrace: Concurrent blktraces are not allowed on nbd2
[   81.038351][   T52] cfg80211: failed to load regulatory.db
06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, 0x0)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:42 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:42 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:42 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:42 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 3:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 0:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x10001)
r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r2 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r2, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 0:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

06:36:43 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE(r1, 0xab02, 0xe93a)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:43 executing program 1:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
r1 = openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3ff)
socket(0x37, 0x80000, 0x1)

[   82.199179][T15651] list_del corruption. prev->next should be ffff88801cf62000, but was ffff888026bc1000. (prev=ffffffff8e5b1560)
[   82.203760][T15651] ------------[ cut here ]------------
[   82.205781][T15651] kernel BUG at lib/list_debug.c:59!
[   82.210435][T15651] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   82.212647][T15651] CPU: 0 PID: 15651 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller-00078-g929ed21dfdb6 #0
[   82.217743][T15651] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
[   82.220918][T15651] RIP: 0010:__list_del_entry_valid+0x11f/0x1b0
[   82.223135][T15651] Code: 18 a7 8a e8 43 e2 50 fd 0f 0b 48 89 ca 48 c7 c7 a0 18 a7 8a e8 32 e2 50 fd 0f 0b 4c 89 c2 48 c7 c7 00 19 a7 8a e8 21 e2 50 fd <0f> 0b 48 89 d1 48 c7 c7 80 19 a7 8a 4c 89 c2 e8 0d e2 50 fd 0f 0b
[   82.230052][T15651] RSP: 0018:ffffc9002a11fd38 EFLAGS: 00010286
[   82.232235][T15651] RAX: 000000000000006d RBX: 0000000000000001 RCX: 0000000000000000
[   82.235046][T15651] RDX: 0000000000000000 RSI: ffffffff8168ba4c RDI: 0000000000000005
[   82.237847][T15651] RBP: ffff88801cf62000 R08: 0000000000000005 R09: 0000000000000000
[   82.240665][T15651] R10: 0000000080000000 R11: 6c65645f7473696c R12: ffff88801cf62008
[   82.243495][T15651] R13: ffff88801d156098 R14: ffff88801cf64000 R15: ffff88801d1565f0
[   82.246342][T15651] FS:  0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:000000005710b380
[   82.249521][T15651] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   82.251887][T15651] CR2: 000000002d321000 CR3: 000000005b932000 CR4: 0000000000350ef0
[   82.254703][T15651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.257521][T15651] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.260332][T15651] Call Trace:
[   82.261527][T15651]  <TASK>
[   82.262584][T15651]  ? die+0x32/0x90
[   82.263984][T15651]  ? do_trap+0x1b2/0x3f0
[   82.265561][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.267542][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.269502][T15651]  ? do_error_trap+0xb1/0x170
[   82.271209][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.273169][T15651]  ? handle_invalid_op+0x2c/0x30
[   82.274939][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.276910][T15651]  ? exc_invalid_op+0x2f/0x50
[   82.278628][T15651]  ? asm_exc_invalid_op+0x1a/0x20
[   82.280451][T15651]  ? vprintk+0x8c/0xa0
[   82.281915][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.283905][T15651]  ? __list_del_entry_valid+0x11f/0x1b0
[   82.285881][T15651]  nfc_llcp_unregister_device+0xb8/0x260
[   82.287889][T15651]  nfc_unregister_device+0x196/0x330
[   82.289762][T15651]  virtual_ncidev_close+0x52/0xb0
[   82.291583][T15651]  __fput+0x27c/0xa90
[   82.293012][T15651]  ? virtual_nci_open+0x10/0x10
[   82.294749][T15651]  task_work_run+0x16f/0x270
[   82.296422][T15651]  ? task_work_cancel+0x30/0x30
[   82.298154][T15651]  exit_to_user_mode_prepare+0x210/0x240
[   82.300164][T15651]  syscall_exit_to_user_mode+0x1d/0x50
[   82.302098][T15651]  __do_fast_syscall_32+0x72/0xf0
[   82.303934][T15651]  do_fast_syscall_32+0x33/0x70
[   82.305667][T15651]  entry_SYSENTER_compat_after_hwframe+0x70/0x82
[   82.307887][T15651] RIP: 0023:0xf7f9a579
[   82.309337][T15651] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
[   82.316137][T15651] RSP: 002b:00000000fffbce70 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
[   82.319077][T15651] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000002
[   82.321879][T15651] RDX: 0000000000000000 RSI: 00000000f734e000 RDI: 0000000000000000
[   82.324710][T15651] RBP: 00000000f6e00628 R08: 0000000000000000 R09: 0000000000000000
[   82.327488][T15651] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[   82.330065][T15651] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   82.332883][T15651]  </TASK>
[   82.333987][T15651] Modules linked in:
06:36:44 executing program 3:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfa6c)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

06:36:44 executing program 2:
ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200000)
ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000040)={'\x00', 0x7, 0x6, 0x1, 0x2, 0xffffffff, 0xffffffffffffffff})
ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x10001)
syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x40080)
openat$nci(0xffffff9c, &(0x7f00000000c0), 0x2, 0x0)
ioctl$BLKTRACETEARDOWN(r0, 0x1276, 0x0)
openat$nullb(0xffffff9c, &(0x7f0000000100), 0x181542, 0x0)
setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000140)=0x1, 0x4)

[   82.337833][T15651] ---[ end trace 0000000000000000 ]---
[   82.340095][T15651] RIP: 0010:__list_del_entry_valid+0x11f/0x1b0
[   82.342426][T15651] Code: 18 a7 8a e8 43 e2 50 fd 0f 0b 48 89 ca 48 c7 c7 a0 18 a7 8a e8 32 e2 50 fd 0f 0b 4c 89 c2 48 c7 c7 00 19 a7 8a e8 21 e2 50 fd <0f> 0b 48 89 d1 48 c7 c7 80 19 a7 8a 4c 89 c2 e8 0d e2 50 fd 0f 0b
[   82.349578][T15651] RSP: 0018:ffffc9002a11fd38 EFLAGS: 00010286
[   82.351832][T15651] RAX: 000000000000006d RBX: 0000000000000001 RCX: 0000000000000000
[   82.354931][T15651] RDX: 0000000000000000 RSI: ffffffff8168ba4c RDI: 0000000000000005
[   82.357775][T15651] RBP: ffff88801cf62000 R08: 0000000000000005 R09: 0000000000000000
[   82.360617][T15651] R10: 0000000080000000 R11: 6c65645f7473696c R12: ffff88801cf62008
[   82.363461][T15651] R13: ffff88801d156098 R14: ffff88801cf64000 R15: ffff88801d1565f0
[   82.366439][T15651] FS:  0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:000000005710b380
[   82.369664][T15651] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   82.372055][T15651] CR2: 000000002d321000 CR3: 000000005b932000 CR4: 0000000000350ef0
[   82.375078][T15651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.377902][T15651] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.380727][T15651] Kernel panic - not syncing: Fatal exception
[   82.383264][T15651] Kernel Offset: disabled
[   82.384857][T15651] Rebooting in 86400 seconds..

VM DIAGNOSIS:
06:36:43  Registers:
info registers vcpu 0
RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff84880f95 RDI=ffffffff920c51c0 RBP=ffffffff920c5180 RSP=ffffc9002a11f6d0
R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=502030203a555043
R12=0000000000000000 R13=0000000000000072 R14=ffffffff84880f30 R15=0000000000000000
RIP=ffffffff84880fbf RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS   [-WA]
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS   [-WA]
FS =0000 0000000000000000 ffffffff 00c00000
GS =0063 ffff88802c600000 ffffffff 00d0f300 DPL=3 DS   [-WA]
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000001000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=000000002d321000 CR3=000000005b932000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=69253a69256325003d45444f4d564544 XMM01=00007fff92f3de000000003000000018
XMM02=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM03=000000ff00000000ff000000ff000000
XMM04=000000000000000000000000ff000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=0000000000000000000000000000ff00 XMM09=61b7585704552dfc737325507c02ebbd
XMM10=7373737373737142734a4a7343434373 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000000 RBX=ffff88802c645060 RCX=0000000000000000 RDX=ffff8880190ac800
RSI=ffffffff8179036d RDI=0000000000000005 RBP=0000000000000003 RSP=ffffc90024287a10
R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000094001
R12=ffffed10058c8a0d R13=0000000000000000 R14=dffffc0000000000 R15=0000000000000001
RIP=ffffffff8179036f RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88802c700000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000048000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=0000000020000000 CR3=000000001cbd1000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000001 XMM01=00007ffdbd09ba800000003000000010
XMM02=65656565656565656565656565656565 XMM03=00000000000000000000000000000000
XMM04=ff00ff00000000000000000000000000 XMM05=ffffffffffffffffffffffffffff0000
XMM06=ff00ff00000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 2
RAX=dffffc0000000000 RBX=ffff8880572e8f00 RCX=0000000000000000 RDX=0000000000000000
RSI=0000000000000002 RDI=ffffffff91fc197c RBP=ffffffff91fc1978 RSP=ffffc90002ad77d8
R8 =0000000000000000 R9 =ffffffff8e7a7c57 R10=fffffbfff1cf4f8a R11=0000000000094001
R12=0000000000000a06 R13=ffff8880572e8f00 R14=dead000000000100 R15=dffffc0000000000
RIP=ffffffff81664ffc RFL=00000082 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 00007fe13aadc280 ffffffff 00c00000
GS =0000 ffff88802c800000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe000008f000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=000000002d227000 CR3=00000000243a7000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=4b5f5455504e495f4449006b636f6c62 XMM01=00007fff92f3de000000003000000018
XMM02=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM03=0000000000ff000000ff000000000000
XMM04=000000000000000000ff000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=0000000000000000000000000000ff00 XMM09=61b7585704552dfc737325507c02ebbd
XMM10=7373737373737142734a4a7343434373 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 3
RAX=0000000000000000 RBX=000000000004f311 RCX=0000000000000000 RDX=ffff88801ee52400
RSI=ffffffff81e1d528 RDI=0000000000000007 RBP=0000000000000009 RSP=ffffc90029e2f5d0
R8 =0000000000000007 R9 =000000000007ffff R10=0000000000000009 R11=0000000000094001
R12=000000000004f311 R13=0000000000000000 R14=0000000000000001 R15=00000000f6e00000
RIP=ffffffff81844480 RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS   [-WA]
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS   [-WA]
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88802c900000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe00000d6000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00000000f737b028 CR3=000000000c571000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000