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", 0x1000}, {&(0x7f0000006b00)="a47e78ddf693c5fc76358cb01b31f05d5a1b0a133c4cfeec9def3ea581fdc5789cd1db7465cc8abe5f761378e8a91c67a238ea2e801cf0612f78d8d7a9259f68d2625be861a34db2ec29aee9cebb76a54c5d286b8fd3564146b25a39a149d286dab6038d414acc38a4ceffb1ec1d4fa56fef4cf1a0fcb9b908ca6c3f63946a996c54ff73f0b975b37238540fe3eafb6f9aacec3371362de95f6f331cff2dd36e4ab0d16051df9f3c289946134cc883f912485dfe304b05c14128f1a33ae727c8a8808139ccea17a298581a7026d99f194fd8cd538e3854c21d3e26d0fdac6849862a833b8d4679d0a582c522cfe7", 0xee}], 0x8, &(0x7f0000006e00)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [r0]}}], 0xd8, 0xc000}}, {{&(0x7f0000006f00)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000007400)=[{&(0x7f0000006f80)="dc9e4c671452cd5e7357a40f8a734db352013a7bdd638c555e53bd8453cca17bc2bba6b07553352ec607638cfa4b33b59bfa1412c3a1e02f6eeb48511a5eb835ca601d6686941884bce3794634391d35e13f33244130fb829e690d5b3b921b91f27dc850fbd554daba81c6df9bfdd317d9300b097d016225d8c512cfa9ddab9f92d0dd8746d9f918f96711ce684a9141a43f74dc0c1d8a1a7a1e71a64b3b6f5a7ff6d499d1b2", 0xa6}, {&(0x7f0000007040)="a1c92db3f985103e837d585450999bbdcfd68f8b52c9c140be24665e0acad6287e13fe30f0de82d65535f56930151033a86cbbf1e0247cd2b02b9a24a4f51a07a0108317e593b205a4afef017845d52f0dbe8458d07f2c02ee79d0e7917f1310e9247c5a48526dc1049a97f6e9e26aa6a93239730ab9fd69d187b3173a0db7a1caa0f2b4002fb8986b5f3b4f480902dc20cfc0393f82aaac932e4417c47ee63db896e7bb43361ce3dca8013671aab301e9496d6963b3be066c1c2d62df3848be123897d6acf0c4da55374d08e879df993419b0ba71fa2c737453d439391a8acbe8c93378", 0xe4}, {&(0x7f0000007140)="f442066b160f7f67e6fd0b2f2324676909e75c6db453433d1c37fc6743b5b7b93aea6e1b91dd34042da272417ba2f79e4e95ad1a81c50f14e50bf5f33e6310c8b61b7fa775b2330c03eec8fe1c6654f0f0d1150e14ea0be2c95d5565940fd468539a9912cb10c90ed560369745e924f8c235104ed4f97a1e32b2ee7ebad0bd591c948f475216f8615b91d0fa6dc9815a4a7e4fb3ff0f8edea6e40b5a9f448819ee50f01c310b665fb911cc1663d70ae828f1ca3c15b48dfac01ef08568729e4c1130af4273075d01a8c48fa3f03be913bb3043bd5304d01d0ba6f9d4e1b61705c040e8fa91ee35969b7c968b637727b37f8006aca03d16", 0xf7}, {&(0x7f0000007240)="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", 0xfc}, {&(0x7f0000007340)="3b6e4a8c9330bf1fdfbc55f5a940f261b6bdfa527e98d32854cc9ddbf401a6410cfbf526c84d9e750013defeaae2942594cdada41cff61b5c56a6e7ed6f894f5dfc16ae3eb2321ff6e5043526ac550239fa53c7f387b2d44222ed865356eb6d0a2", 0x61}, {&(0x7f00000073c0)="9fe1f7e59fffb9d500d6b12a7f44e055b017b1e08dd2627470db21befda2475758bda43e", 0x24}], 0x6, &(0x7f0000007500)=[@rights={{0x30, 0x1, 0x1, [r0, 0xffffffffffffffff, r2, r3, 0xffffffffffffffff, r2, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x30, 0xdad589c23adbc3fd}}, {{0x0, 0x0, &(0x7f00000077c0)=[{&(0x7f0000007540)="9fff88649cba7e2febc1dd861d6e186d544f3cf190d3841f4ada88fad4942bdb86132535ff8980268ed405c6f239bda5a3fd913d44cabae2b99eb26d2dc100cb94d8ac84e6eb2dc4476f3924b2bc5c1a2a157ebb74ad6ef989ca973eec79699ce2297e6c303f1c84b63cc9590e8fb5c62c4aef43ff01ea543d61cf70f6eb40260812322ce4f3f9f20362128faa2b56e06f49385ca7efa84d4fa17cc7f8758ece4f9f56b6af623d172fa2bef6a986c92e7a9a2cf9c51833a509f55e2f19a353a23e539218c7343067bdecfadc8765c2fe0cabc1ad2eb80624f633f2fd1c69c46b27", 0xe1}, {&(0x7f0000007640)="63f68920b424701fd2aa98cc7f7aa3b95364ce339201e326b0f8fb9879b71eb2662b85d57197129af42f48b08ede2362bb284e0af66da608fb44bac7c9d66346f6d1f94e9cfd3d625a4ee68f6f72c16adf9485f480d2db2dc240740c9218dc61ec6861db1b88c871c11c0c6526cba0cdb397c3e4e5c9298e7a184ccba5c6", 0x7e}, {&(0x7f00000076c0)="28f8c2c7bb040a21f829f65bb626ffbe5fe03b71ab2942a3bd686527f95fd4103f135629df6659f1e92f8c9170e0ace5edca8f0e9965d1a039d11ec4b08b447706a7bd96fb9322b5f4eac55c8c6f7ecb0fed32f293cd90737e541de92633d64668748e353b0c829a8e14cc4bba7867c709658d334dd259c2363d77a9a289fe16ef10b2bf25a2eb5c1d2fa8890048d5cd260b9cce1d8a4c1637b29d9cb9eef3945f60136c3ec1fcfc6a1b292eb51479fc3a4ce92d48f13e668656b5c05ca0ef2bc4e6c337ca5d51a56968f34a29ee65fd6a3003df5f54277a9af76b25a45eda0e11f6a3c5375b774e28", 0xe9}], 0x3, &(0x7f00000079c0)=[@rights={{0x2c, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r6, 0xee00}}}, @rights={{0x2c, 0x1, 0x1, [r7, r8, 0xffffffffffffffff, r3, r4, r2, r3]}}, @rights={{0x18, 0x1, 0x1, [r9, r2]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @rights={{0x18, 0x1, 0x1, [r10, r4]}}], 0xd0, 0x4000800}}], 0x7, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/spi_host', 0x20c0, 0x80) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f00000000c0)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) 00:16:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xa14000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3f4, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 985.541620][T20720] nbd5: detected capacity change from 0 to 38 [ 985.566361][T20718] block nbd3: Device being setup by another task 00:16:25 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:25 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3f3, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3f8, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xa34000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 986.095186][ T2106] ieee802154 phy0 wpan0: encryption failed: -22 [ 986.097065][ T2106] ieee802154 phy1 wpan1: encryption failed: -22 [ 986.295090][T12014] block nbd3: Receive control failed (result -32) [ 986.296260][T20718] block nbd3: shutting down sockets 00:16:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x80c00) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) 00:16:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xce01000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:26 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xa14000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3fc, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 986.415249][T20748] block nbd3: Device being setup by another task [ 987.183799][ T5502] block nbd3: Receive control failed (result -32) [ 987.188615][T20749] block nbd3: shutting down sockets [ 988.407284][T20711] block nbd5: shutting down sockets [ 988.410382][ T6576] ldm_validate_partition_table(): Disk read failed. [ 988.412323][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.414495][ T6576] nbd5: unable to read partition table [ 988.423266][ T6576] ldm_validate_partition_table(): Disk read failed. 00:16:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) r4 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r6) (async) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r7, 0x0, 0x0, 0x0) (async) r8 = syz_io_uring_setup(0x6257, &(0x7f00000078c0)={0x0, 0x5638, 0x100, 0x2, 0x31b}, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000007940), &(0x7f0000007980)) (async) r9 = socket$alg(0x26, 0x5, 0x0) bind$alg(r9, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r9, 0x0, 0x0, 0x0) (async, rerun: 64) r10 = socket$alg(0x26, 0x5, 0x0) (rerun: 64) bind$alg(r10, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r10, 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000007ac0)=[{{&(0x7f0000000140)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000000240)=[{&(0x7f00000001c0)="58d862bb075a203f310816910fc8ccbdf533903b51ecada61070c1a32ae7228903017045270bc4b2d1adf20db01df4b290c9d05e38471d1a583c8214c30efd426d07", 0x42}], 0x1, &(0x7f0000000440)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r3, r1]}}], 0x130, 0x20000000}}, {{&(0x7f0000000580)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000002a80)=[{&(0x7f0000000600)="6388a7ac37a3c195eb1107d8", 0xc}, {&(0x7f0000002780)="e8eb808c09525d1b5f47d28e78aa1fe78cf89f3b85e2b938fa16e8b4645a14ade66eff0ca83c93d99450d11d903a4e1b8adefcc9a4aa523f218d63cc5d71daee6d6f539e75cc3cef9320b0bc9c2259dda3101d295646f7048e394c17435be069b193c63840bfc9468afb5e172555cbaa073407c6a04c7286d7997ee0443e125f54040835774652f8be4956329d313909ff8612d0389d6540c8d55c7eb4aec7d09fda1d111be0874559faaa08c1e1451a7ce95ff8dc89cc04b1796541428a5cfcea01f45ebc3814c832a0d260f95cdb8f03d0b7aa43", 0xd5}, {&(0x7f0000000640)="d70d7b6c2d431d1167083f8e6c585a86380ea0489ac198fb77a2b79a85a23304973eb3287c39b58c00facc64f4feef30a857313087dd35f1e648", 0x3a}, {&(0x7f0000002880)="3234947b7df23335a06ff9b7da2f6ddb3d307cfdf0f1b3e12ccbff5867e707689274b91ecc869fa06f9e72562a2a13af31abda31051f02d87933c68192c17d74a72adffb2941bf9c36ff3507f321a1a28766898f426547e64d240246717398b74da3622ab03e669809a3f9c4e8a44a827503272bd919b1f70123caaf621b10ada1e5f61418a30626485b7463264bd83495f60fe5ac4ed02731fd34bfe60bf065773437a545e316e99c9084786e826578e876152941ff23fef54bb57fdd0fb7e10db1bc99", 0xc4}, {&(0x7f0000002980)="7a8991e2d79eccd4b1cb916615d2612bd441edc2fee65743b4f8aba269e8429f01d050930121f47f6bf660914869ffd9adb18f23c5c5202c7a5e76e7bd9583807e39e1446dbbb8b5d64da5332e4d0d35681745a7c84887038fe85152b2ed5178f841b5d0b83da5a90a402fa274bd939e5132caaad6dfd2d64b53f241c6430df80a0c4e1bb2011ecad0d2c38927ceb7b969bc1e8c2da72ea6835bc0609f77f7caa2fbfb0a71457d1bd44b2737b3fbcdcfa1e6242ed8c1b249f5d5b525b58ea67622d1f09039030090dce9907916c5d540298025fe85804fa11f2c9a844931c4922b079aafc7", 0xe5}, {&(0x7f0000000680)="af2fbdbe32035c096bb54697b8803523b2ea6f4daea72143621055a0ba871287fe34066f06f09fe017b3929068ea6f0472160c5a3b725016d99b118d9c1bf873243b3e049c13f1048047eacd", 0x4c}], 0x6, &(0x7f0000002dc0)=[@rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, r3]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00, 0xffffffffffffffff}}}, @rights={{0x14, 0x1, 0x1, [r0]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @cred={{0x1c}}], 0xb8, 0x4000040}}, {{&(0x7f0000002e80)=@abs={0x1, 0x0, 0x4e20}, 0x6e, &(0x7f00000031c0)=[{&(0x7f0000002f00)="13eaabbb46ba3c9ca5d6d1d6188270d737524290d757f63e0f067221ab09839dd38a6b7f0f4f2950333ee6c0af4e229bce30f6ecc980b9b1a3ae79c9382f7976981739c74fd5e427a2b905d6df843a9df0604be062ec1580a2ecd0440477928cb7632098f0ea94b4dc1b0d2b12195f07c3324965d791895031ae3d84e4214ae285091d10a931ee9aa32f6678b493c7a0e704e83b650fb1739486d7ffee25ab673433c4ac5930b287210d077ea853d6710980dad213e14ea50aece155421fe9278a3895526aefab2a88", 0xc9}, {&(0x7f0000003000)="5ef4c9cf2078dd3f47e949635c08164fcd8a775e9bdbdf307d55fc3aca4eb247e851f9470a3972d5b8b516096a9b1a73528ecf40a00d60a6a90871cb44ab6d9340af3fb252df3f8c78172b3cf457640b7fadc608738a6e6591f3ef1c2fc109f7b60697d395e6683deb0e124ae03847fd7d427b", 0x73}, {&(0x7f0000003080)="8b204ca2594031d4a7ebc546a39d3eec8870a7af0ee85de30e72cd46fabd539ff99a46ec13f6d397ec24cea8a1350bb5d2392a9f5fad920661b8bec65394395a63f4e90cc4d82031dc3ee634fc4c6ff3dddb940599a717a4a3a619c702467f647655db9ca1009f8cd6a123b9fdef6810488fb7ecd134718124844ec7d9d7ae00753e48d21fc42a5b4a92296fcb7a089e346ccd614b7cfe12b96f795136fe36988a852c77da864bbc58bc88e14e4c013981b9af", 0xb3}, {&(0x7f0000003140)="6a7abe961cada2e167dd8030fbf5b12548ec59a8887915866dea15ee2583bdd26c0f45929eed33ff2e884227cb062ee28581538ed39e7a1acc36a9826bb3f6f5ee19b3c44f760355ff23316440d20c9756fd06f996a90601e0d18e1b1d8abef383886bd98ccf0fb687e9a8ce2ae44bb4be2eb926f43e1d3110952fd1f1", 0x7d}], 0x4, &(0x7f0000003340)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}], 0xa8, 0x80008d4}}, {{&(0x7f0000003400)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000004600)=[{&(0x7f0000003480)="c97445f6c884d16b8c25ce9cfdcfeaf23acea18e5d05675c8a0b8f78583cf6ddb2d2be27f723c83ba6c954fa6838e4de205a32d8e851ccd9494fa65ccc6794b5f98bf9c61501955274822642cdffd4946af596cee855104714627297dc91cc32e386f4ec9ffa2b206c295fd0b03857a7e565a013bcea6d2096c776c3f0dbba78951c2e4607020d05f4f73e1226624d53e16d23b31fac0bd776a14c25c01c6e7ab7b5ae9f5ffd9e44d746fadcae25c037053bdda7ebc04308cacf36062609af12ccb24e317fc893d4a65a86c314c5b2f42beb48d9fee8fa171791e5d18e80a62e76a14434134cfd26b321df6c89895245ab0e2b0e905569fe64", 0xf9}, {&(0x7f0000003580)="9db0", 0x2}, {&(0x7f00000035c0)="832064b5631c63d8f2db492f46e02b62ef519ed528d77e7eece6e4b3fef4ad2f4bf2", 0x22}, {&(0x7f0000003600)="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", 0x1000}, {&(0x7f0000006b00)="a47e78ddf693c5fc76358cb01b31f05d5a1b0a133c4cfeec9def3ea581fdc5789cd1db7465cc8abe5f761378e8a91c67a238ea2e801cf0612f78d8d7a9259f68d2625be861a34db2ec29aee9cebb76a54c5d286b8fd3564146b25a39a149d286dab6038d414acc38a4ceffb1ec1d4fa56fef4cf1a0fcb9b908ca6c3f63946a996c54ff73f0b975b37238540fe3eafb6f9aacec3371362de95f6f331cff2dd36e4ab0d16051df9f3c289946134cc883f912485dfe304b05c14128f1a33ae727c8a8808139ccea17a298581a7026d99f194fd8cd538e3854c21d3e26d0fdac6849862a833b8d4679d0a582c522cfe7", 0xee}], 0x8, &(0x7f0000006e00)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [r0]}}], 0xd8, 0xc000}}, {{&(0x7f0000006f00)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000007400)=[{&(0x7f0000006f80)="dc9e4c671452cd5e7357a40f8a734db352013a7bdd638c555e53bd8453cca17bc2bba6b07553352ec607638cfa4b33b59bfa1412c3a1e02f6eeb48511a5eb835ca601d6686941884bce3794634391d35e13f33244130fb829e690d5b3b921b91f27dc850fbd554daba81c6df9bfdd317d9300b097d016225d8c512cfa9ddab9f92d0dd8746d9f918f96711ce684a9141a43f74dc0c1d8a1a7a1e71a64b3b6f5a7ff6d499d1b2", 0xa6}, {&(0x7f0000007040)="a1c92db3f985103e837d585450999bbdcfd68f8b52c9c140be24665e0acad6287e13fe30f0de82d65535f56930151033a86cbbf1e0247cd2b02b9a24a4f51a07a0108317e593b205a4afef017845d52f0dbe8458d07f2c02ee79d0e7917f1310e9247c5a48526dc1049a97f6e9e26aa6a93239730ab9fd69d187b3173a0db7a1caa0f2b4002fb8986b5f3b4f480902dc20cfc0393f82aaac932e4417c47ee63db896e7bb43361ce3dca8013671aab301e9496d6963b3be066c1c2d62df3848be123897d6acf0c4da55374d08e879df993419b0ba71fa2c737453d439391a8acbe8c93378", 0xe4}, {&(0x7f0000007140)="f442066b160f7f67e6fd0b2f2324676909e75c6db453433d1c37fc6743b5b7b93aea6e1b91dd34042da272417ba2f79e4e95ad1a81c50f14e50bf5f33e6310c8b61b7fa775b2330c03eec8fe1c6654f0f0d1150e14ea0be2c95d5565940fd468539a9912cb10c90ed560369745e924f8c235104ed4f97a1e32b2ee7ebad0bd591c948f475216f8615b91d0fa6dc9815a4a7e4fb3ff0f8edea6e40b5a9f448819ee50f01c310b665fb911cc1663d70ae828f1ca3c15b48dfac01ef08568729e4c1130af4273075d01a8c48fa3f03be913bb3043bd5304d01d0ba6f9d4e1b61705c040e8fa91ee35969b7c968b637727b37f8006aca03d16", 0xf7}, {&(0x7f0000007240)="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", 0xfc}, {&(0x7f0000007340)="3b6e4a8c9330bf1fdfbc55f5a940f261b6bdfa527e98d32854cc9ddbf401a6410cfbf526c84d9e750013defeaae2942594cdada41cff61b5c56a6e7ed6f894f5dfc16ae3eb2321ff6e5043526ac550239fa53c7f387b2d44222ed865356eb6d0a2", 0x61}, {&(0x7f00000073c0)="9fe1f7e59fffb9d500d6b12a7f44e055b017b1e08dd2627470db21befda2475758bda43e", 0x24}], 0x6, &(0x7f0000007500)=[@rights={{0x30, 0x1, 0x1, [r0, 0xffffffffffffffff, r2, r3, 0xffffffffffffffff, r2, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x30, 0xdad589c23adbc3fd}}, {{0x0, 0x0, &(0x7f00000077c0)=[{&(0x7f0000007540)="9fff88649cba7e2febc1dd861d6e186d544f3cf190d3841f4ada88fad4942bdb86132535ff8980268ed405c6f239bda5a3fd913d44cabae2b99eb26d2dc100cb94d8ac84e6eb2dc4476f3924b2bc5c1a2a157ebb74ad6ef989ca973eec79699ce2297e6c303f1c84b63cc9590e8fb5c62c4aef43ff01ea543d61cf70f6eb40260812322ce4f3f9f20362128faa2b56e06f49385ca7efa84d4fa17cc7f8758ece4f9f56b6af623d172fa2bef6a986c92e7a9a2cf9c51833a509f55e2f19a353a23e539218c7343067bdecfadc8765c2fe0cabc1ad2eb80624f633f2fd1c69c46b27", 0xe1}, {&(0x7f0000007640)="63f68920b424701fd2aa98cc7f7aa3b95364ce339201e326b0f8fb9879b71eb2662b85d57197129af42f48b08ede2362bb284e0af66da608fb44bac7c9d66346f6d1f94e9cfd3d625a4ee68f6f72c16adf9485f480d2db2dc240740c9218dc61ec6861db1b88c871c11c0c6526cba0cdb397c3e4e5c9298e7a184ccba5c6", 0x7e}, {&(0x7f00000076c0)="28f8c2c7bb040a21f829f65bb626ffbe5fe03b71ab2942a3bd686527f95fd4103f135629df6659f1e92f8c9170e0ace5edca8f0e9965d1a039d11ec4b08b447706a7bd96fb9322b5f4eac55c8c6f7ecb0fed32f293cd90737e541de92633d64668748e353b0c829a8e14cc4bba7867c709658d334dd259c2363d77a9a289fe16ef10b2bf25a2eb5c1d2fa8890048d5cd260b9cce1d8a4c1637b29d9cb9eef3945f60136c3ec1fcfc6a1b292eb51479fc3a4ce92d48f13e668656b5c05ca0ef2bc4e6c337ca5d51a56968f34a29ee65fd6a3003df5f54277a9af76b25a45eda0e11f6a3c5375b774e28", 0xe9}], 0x3, &(0x7f00000079c0)=[@rights={{0x2c, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r6, 0xee00}}}, @rights={{0x2c, 0x1, 0x1, [r7, r8, 0xffffffffffffffff, r3, r4, r2, r3]}}, @rights={{0x18, 0x1, 0x1, [r9, r2]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @rights={{0x18, 0x1, 0x1, [r10, r4]}}], 0xd0, 0x4000800}}], 0x7, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async, rerun: 32) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/spi_host', 0x20c0, 0x80) (rerun: 32) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f00000000c0)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) 00:16:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x500, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:28 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3fc, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xd00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xd803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:28 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r2, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), r1) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, &(0x7f0000000100)) r4 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x20400) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0xffffffffffffffff) getsockopt$SO_TIMESTAMP(r0, 0x1, 0x40, &(0x7f0000000180), &(0x7f00000001c0)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) r10 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x141500) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) ioctl$NBD_DO_IT(r10, 0xab03) [ 988.467184][T20759] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 988.485098][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.502012][ T6576] nbd5: unable to read partition table [ 988.545234][T20761] ldm_validate_partition_table(): Disk read failed. [ 988.547286][T20761] Dev nbd5: unable to read RDB block 0 [ 988.548910][T20761] nbd5: unable to read partition table 00:16:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xe00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xe0ffffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:28 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3f3, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x600, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 988.604931][T20761] block nbd5: Device being setup by another task [ 988.607474][ T6576] ldm_validate_partition_table(): Disk read failed. [ 988.614118][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.621896][ T6576] nbd5: unable to read partition table [ 988.633178][T20761] ldm_validate_partition_table(): Disk read failed. [ 988.635502][T20761] Dev nbd5: unable to read RDB block 0 [ 988.637301][T20761] nbd5: unable to read partition table 00:16:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 988.704831][T20761] block nbd5: Device being setup by another task [ 988.711041][ T6576] ldm_validate_partition_table(): Disk read failed. [ 988.713044][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.717391][ T6576] nbd5: unable to read partition table 00:16:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xe803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 988.743972][ T6576] ldm_validate_partition_table(): Disk read failed. [ 988.775851][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.780019][ T6576] nbd5: unable to read partition table 00:16:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) r4 = socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r6) (async) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r7, 0x0, 0x0, 0x0) (async) r8 = syz_io_uring_setup(0x6257, &(0x7f00000078c0)={0x0, 0x5638, 0x100, 0x2, 0x31b}, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000007940), &(0x7f0000007980)) (async) r9 = socket$alg(0x26, 0x5, 0x0) bind$alg(r9, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r9, 0x0, 0x0, 0x0) (async) r10 = socket$alg(0x26, 0x5, 0x0) bind$alg(r10, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r10, 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000007ac0)=[{{&(0x7f0000000140)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000000240)=[{&(0x7f00000001c0)="58d862bb075a203f310816910fc8ccbdf533903b51ecada61070c1a32ae7228903017045270bc4b2d1adf20db01df4b290c9d05e38471d1a583c8214c30efd426d07", 0x42}], 0x1, &(0x7f0000000440)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r3, r1]}}], 0x130, 0x20000000}}, {{&(0x7f0000000580)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000002a80)=[{&(0x7f0000000600)="6388a7ac37a3c195eb1107d8", 0xc}, {&(0x7f0000002780)="e8eb808c09525d1b5f47d28e78aa1fe78cf89f3b85e2b938fa16e8b4645a14ade66eff0ca83c93d99450d11d903a4e1b8adefcc9a4aa523f218d63cc5d71daee6d6f539e75cc3cef9320b0bc9c2259dda3101d295646f7048e394c17435be069b193c63840bfc9468afb5e172555cbaa073407c6a04c7286d7997ee0443e125f54040835774652f8be4956329d313909ff8612d0389d6540c8d55c7eb4aec7d09fda1d111be0874559faaa08c1e1451a7ce95ff8dc89cc04b1796541428a5cfcea01f45ebc3814c832a0d260f95cdb8f03d0b7aa43", 0xd5}, {&(0x7f0000000640)="d70d7b6c2d431d1167083f8e6c585a86380ea0489ac198fb77a2b79a85a23304973eb3287c39b58c00facc64f4feef30a857313087dd35f1e648", 0x3a}, {&(0x7f0000002880)="3234947b7df23335a06ff9b7da2f6ddb3d307cfdf0f1b3e12ccbff5867e707689274b91ecc869fa06f9e72562a2a13af31abda31051f02d87933c68192c17d74a72adffb2941bf9c36ff3507f321a1a28766898f426547e64d240246717398b74da3622ab03e669809a3f9c4e8a44a827503272bd919b1f70123caaf621b10ada1e5f61418a30626485b7463264bd83495f60fe5ac4ed02731fd34bfe60bf065773437a545e316e99c9084786e826578e876152941ff23fef54bb57fdd0fb7e10db1bc99", 0xc4}, {&(0x7f0000002980)="7a8991e2d79eccd4b1cb916615d2612bd441edc2fee65743b4f8aba269e8429f01d050930121f47f6bf660914869ffd9adb18f23c5c5202c7a5e76e7bd9583807e39e1446dbbb8b5d64da5332e4d0d35681745a7c84887038fe85152b2ed5178f841b5d0b83da5a90a402fa274bd939e5132caaad6dfd2d64b53f241c6430df80a0c4e1bb2011ecad0d2c38927ceb7b969bc1e8c2da72ea6835bc0609f77f7caa2fbfb0a71457d1bd44b2737b3fbcdcfa1e6242ed8c1b249f5d5b525b58ea67622d1f09039030090dce9907916c5d540298025fe85804fa11f2c9a844931c4922b079aafc7", 0xe5}, {&(0x7f0000000680)="af2fbdbe32035c096bb54697b8803523b2ea6f4daea72143621055a0ba871287fe34066f06f09fe017b3929068ea6f0472160c5a3b725016d99b118d9c1bf873243b3e049c13f1048047eacd", 0x4c}], 0x6, &(0x7f0000002dc0)=[@rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, r3]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00, 0xffffffffffffffff}}}, @rights={{0x14, 0x1, 0x1, [r0]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @cred={{0x1c}}], 0xb8, 0x4000040}}, {{&(0x7f0000002e80)=@abs={0x1, 0x0, 0x4e20}, 0x6e, &(0x7f00000031c0)=[{&(0x7f0000002f00)="13eaabbb46ba3c9ca5d6d1d6188270d737524290d757f63e0f067221ab09839dd38a6b7f0f4f2950333ee6c0af4e229bce30f6ecc980b9b1a3ae79c9382f7976981739c74fd5e427a2b905d6df843a9df0604be062ec1580a2ecd0440477928cb7632098f0ea94b4dc1b0d2b12195f07c3324965d791895031ae3d84e4214ae285091d10a931ee9aa32f6678b493c7a0e704e83b650fb1739486d7ffee25ab673433c4ac5930b287210d077ea853d6710980dad213e14ea50aece155421fe9278a3895526aefab2a88", 0xc9}, {&(0x7f0000003000)="5ef4c9cf2078dd3f47e949635c08164fcd8a775e9bdbdf307d55fc3aca4eb247e851f9470a3972d5b8b516096a9b1a73528ecf40a00d60a6a90871cb44ab6d9340af3fb252df3f8c78172b3cf457640b7fadc608738a6e6591f3ef1c2fc109f7b60697d395e6683deb0e124ae03847fd7d427b", 0x73}, {&(0x7f0000003080)="8b204ca2594031d4a7ebc546a39d3eec8870a7af0ee85de30e72cd46fabd539ff99a46ec13f6d397ec24cea8a1350bb5d2392a9f5fad920661b8bec65394395a63f4e90cc4d82031dc3ee634fc4c6ff3dddb940599a717a4a3a619c702467f647655db9ca1009f8cd6a123b9fdef6810488fb7ecd134718124844ec7d9d7ae00753e48d21fc42a5b4a92296fcb7a089e346ccd614b7cfe12b96f795136fe36988a852c77da864bbc58bc88e14e4c013981b9af", 0xb3}, {&(0x7f0000003140)="6a7abe961cada2e167dd8030fbf5b12548ec59a8887915866dea15ee2583bdd26c0f45929eed33ff2e884227cb062ee28581538ed39e7a1acc36a9826bb3f6f5ee19b3c44f760355ff23316440d20c9756fd06f996a90601e0d18e1b1d8abef383886bd98ccf0fb687e9a8ce2ae44bb4be2eb926f43e1d3110952fd1f1", 0x7d}], 0x4, &(0x7f0000003340)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}], 0xa8, 0x80008d4}}, {{&(0x7f0000003400)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000004600)=[{&(0x7f0000003480)="c97445f6c884d16b8c25ce9cfdcfeaf23acea18e5d05675c8a0b8f78583cf6ddb2d2be27f723c83ba6c954fa6838e4de205a32d8e851ccd9494fa65ccc6794b5f98bf9c61501955274822642cdffd4946af596cee855104714627297dc91cc32e386f4ec9ffa2b206c295fd0b03857a7e565a013bcea6d2096c776c3f0dbba78951c2e4607020d05f4f73e1226624d53e16d23b31fac0bd776a14c25c01c6e7ab7b5ae9f5ffd9e44d746fadcae25c037053bdda7ebc04308cacf36062609af12ccb24e317fc893d4a65a86c314c5b2f42beb48d9fee8fa171791e5d18e80a62e76a14434134cfd26b321df6c89895245ab0e2b0e905569fe64", 0xf9}, {&(0x7f0000003580)="9db0", 0x2}, {&(0x7f00000035c0)="832064b5631c63d8f2db492f46e02b62ef519ed528d77e7eece6e4b3fef4ad2f4bf2", 0x22}, {&(0x7f0000003600)="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", 0x1000}, {&(0x7f0000006b00)="a47e78ddf693c5fc76358cb01b31f05d5a1b0a133c4cfeec9def3ea581fdc5789cd1db7465cc8abe5f761378e8a91c67a238ea2e801cf0612f78d8d7a9259f68d2625be861a34db2ec29aee9cebb76a54c5d286b8fd3564146b25a39a149d286dab6038d414acc38a4ceffb1ec1d4fa56fef4cf1a0fcb9b908ca6c3f63946a996c54ff73f0b975b37238540fe3eafb6f9aacec3371362de95f6f331cff2dd36e4ab0d16051df9f3c289946134cc883f912485dfe304b05c14128f1a33ae727c8a8808139ccea17a298581a7026d99f194fd8cd538e3854c21d3e26d0fdac6849862a833b8d4679d0a582c522cfe7", 0xee}], 0x8, &(0x7f0000006e00)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r4]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [r0]}}], 0xd8, 0xc000}}, {{&(0x7f0000006f00)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000007400)=[{&(0x7f0000006f80)="dc9e4c671452cd5e7357a40f8a734db352013a7bdd638c555e53bd8453cca17bc2bba6b07553352ec607638cfa4b33b59bfa1412c3a1e02f6eeb48511a5eb835ca601d6686941884bce3794634391d35e13f33244130fb829e690d5b3b921b91f27dc850fbd554daba81c6df9bfdd317d9300b097d016225d8c512cfa9ddab9f92d0dd8746d9f918f96711ce684a9141a43f74dc0c1d8a1a7a1e71a64b3b6f5a7ff6d499d1b2", 0xa6}, {&(0x7f0000007040)="a1c92db3f985103e837d585450999bbdcfd68f8b52c9c140be24665e0acad6287e13fe30f0de82d65535f56930151033a86cbbf1e0247cd2b02b9a24a4f51a07a0108317e593b205a4afef017845d52f0dbe8458d07f2c02ee79d0e7917f1310e9247c5a48526dc1049a97f6e9e26aa6a93239730ab9fd69d187b3173a0db7a1caa0f2b4002fb8986b5f3b4f480902dc20cfc0393f82aaac932e4417c47ee63db896e7bb43361ce3dca8013671aab301e9496d6963b3be066c1c2d62df3848be123897d6acf0c4da55374d08e879df993419b0ba71fa2c737453d439391a8acbe8c93378", 0xe4}, {&(0x7f0000007140)="f442066b160f7f67e6fd0b2f2324676909e75c6db453433d1c37fc6743b5b7b93aea6e1b91dd34042da272417ba2f79e4e95ad1a81c50f14e50bf5f33e6310c8b61b7fa775b2330c03eec8fe1c6654f0f0d1150e14ea0be2c95d5565940fd468539a9912cb10c90ed560369745e924f8c235104ed4f97a1e32b2ee7ebad0bd591c948f475216f8615b91d0fa6dc9815a4a7e4fb3ff0f8edea6e40b5a9f448819ee50f01c310b665fb911cc1663d70ae828f1ca3c15b48dfac01ef08568729e4c1130af4273075d01a8c48fa3f03be913bb3043bd5304d01d0ba6f9d4e1b61705c040e8fa91ee35969b7c968b637727b37f8006aca03d16", 0xf7}, {&(0x7f0000007240)="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", 0xfc}, {&(0x7f0000007340)="3b6e4a8c9330bf1fdfbc55f5a940f261b6bdfa527e98d32854cc9ddbf401a6410cfbf526c84d9e750013defeaae2942594cdada41cff61b5c56a6e7ed6f894f5dfc16ae3eb2321ff6e5043526ac550239fa53c7f387b2d44222ed865356eb6d0a2", 0x61}, {&(0x7f00000073c0)="9fe1f7e59fffb9d500d6b12a7f44e055b017b1e08dd2627470db21befda2475758bda43e", 0x24}], 0x6, &(0x7f0000007500)=[@rights={{0x30, 0x1, 0x1, [r0, 0xffffffffffffffff, r2, r3, 0xffffffffffffffff, r2, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x30, 0xdad589c23adbc3fd}}, {{0x0, 0x0, &(0x7f00000077c0)=[{&(0x7f0000007540)="9fff88649cba7e2febc1dd861d6e186d544f3cf190d3841f4ada88fad4942bdb86132535ff8980268ed405c6f239bda5a3fd913d44cabae2b99eb26d2dc100cb94d8ac84e6eb2dc4476f3924b2bc5c1a2a157ebb74ad6ef989ca973eec79699ce2297e6c303f1c84b63cc9590e8fb5c62c4aef43ff01ea543d61cf70f6eb40260812322ce4f3f9f20362128faa2b56e06f49385ca7efa84d4fa17cc7f8758ece4f9f56b6af623d172fa2bef6a986c92e7a9a2cf9c51833a509f55e2f19a353a23e539218c7343067bdecfadc8765c2fe0cabc1ad2eb80624f633f2fd1c69c46b27", 0xe1}, {&(0x7f0000007640)="63f68920b424701fd2aa98cc7f7aa3b95364ce339201e326b0f8fb9879b71eb2662b85d57197129af42f48b08ede2362bb284e0af66da608fb44bac7c9d66346f6d1f94e9cfd3d625a4ee68f6f72c16adf9485f480d2db2dc240740c9218dc61ec6861db1b88c871c11c0c6526cba0cdb397c3e4e5c9298e7a184ccba5c6", 0x7e}, {&(0x7f00000076c0)="28f8c2c7bb040a21f829f65bb626ffbe5fe03b71ab2942a3bd686527f95fd4103f135629df6659f1e92f8c9170e0ace5edca8f0e9965d1a039d11ec4b08b447706a7bd96fb9322b5f4eac55c8c6f7ecb0fed32f293cd90737e541de92633d64668748e353b0c829a8e14cc4bba7867c709658d334dd259c2363d77a9a289fe16ef10b2bf25a2eb5c1d2fa8890048d5cd260b9cce1d8a4c1637b29d9cb9eef3945f60136c3ec1fcfc6a1b292eb51479fc3a4ce92d48f13e668656b5c05ca0ef2bc4e6c337ca5d51a56968f34a29ee65fd6a3003df5f54277a9af76b25a45eda0e11f6a3c5375b774e28", 0xe9}], 0x3, &(0x7f00000079c0)=[@rights={{0x2c, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r6, 0xee00}}}, @rights={{0x2c, 0x1, 0x1, [r7, r8, 0xffffffffffffffff, r3, r4, r2, r3]}}, @rights={{0x18, 0x1, 0x1, [r9, r2]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @rights={{0x18, 0x1, 0x1, [r10, r4]}}], 0xd0, 0x4000800}}], 0x7, 0x0) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/spi_host', 0x20c0, 0x80) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f00000000c0)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) 00:16:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x700, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:28 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc403000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 988.806469][ T6576] ldm_validate_partition_table(): Disk read failed. [ 988.808437][ T6576] Dev nbd5: unable to read RDB block 0 [ 988.810141][ T6576] nbd5: unable to read partition table 00:16:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x1000000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf003000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 988.945034][T20785] block nbd5: Device being setup by another task [ 989.009634][T20786] block nbd5: shutting down sockets [ 989.326729][ T5978] block nbd3: Receive control failed (result -32) [ 989.329205][ T5976] block nbd3: Receive control failed (result -32) [ 989.329747][T20759] block nbd3: shutting down sockets 00:16:29 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r2, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), r1) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, &(0x7f0000000100)) (async) r4 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x20400) (async) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0xffffffffffffffff) getsockopt$SO_TIMESTAMP(r0, 0x1, 0x40, &(0x7f0000000180), &(0x7f00000001c0)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) (async) r10 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x141500) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) ioctl$NBD_DO_IT(r10, 0xab03) 00:16:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x780, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:29 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc6010000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x1004000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf00f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 989.429686][T20806] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:16:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf103000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x78c, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x100f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf203000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$netlink(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r2, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), r1) (async) ioctl$BTRFS_IOC_START_SYNC(r0, 0x80089418, &(0x7f0000000100)) r4 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x20400) (async) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0xffffffffffffffff) (async) getsockopt$SO_TIMESTAMP(r0, 0x1, 0x40, &(0x7f0000000180), &(0x7f00000001c0)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) r10 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x141500) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r9) (async) ioctl$NBD_DO_IT(r10, 0xab03) [ 989.550654][T20816] nbd5: detected capacity change from 0 to 38 [ 989.611121][T20824] block nbd5: shutting down sockets [ 989.627856][T20825] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:16:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x790, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 989.654974][T20824] blk_print_req_error: 260 callbacks suppressed [ 989.655006][T20824] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.659353][T20824] buffer_io_error: 260 callbacks suppressed [ 989.659363][T20824] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.663324][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.666100][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.668376][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.693099][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read 00:16:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x40a00) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:16:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x1100000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 989.701004][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:16:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf303000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 989.719390][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.729685][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:16:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x220100) ioctl$NBD_DO_IT(r6, 0xab03) [ 989.763175][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.771204][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.783268][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.792410][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.799686][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.804363][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.819730][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.828340][ T6576] ldm_validate_partition_table(): Disk read failed. [ 989.839913][T20841] nbd1: detected capacity change from 0 to 38 00:16:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x7c4, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 989.852787][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.866085][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.884958][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 989.890331][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 989.894422][T20845] block nbd1: shutting down sockets [ 989.910269][ T6576] Dev nbd5: unable to read RDB block 0 [ 989.913929][ T6576] nbd5: unable to read partition table [ 989.916424][ T5981] ldm_validate_partition_table(): Disk read failed. [ 989.921935][ T5981] Dev nbd1: unable to read RDB block 0 00:16:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async, rerun: 32) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (rerun: 32) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:16:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf401000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x1c0f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 989.934151][ T5981] nbd1: unable to read partition table [ 989.953642][ T6576] ldm_validate_partition_table(): Disk read failed. [ 989.976607][ T5981] ldm_validate_partition_table(): Disk read failed. [ 989.989802][ T6576] Dev nbd5: unable to read RDB block 0 [ 989.990402][ T5981] Dev nbd1: unable to read RDB block 0 [ 990.000828][ T5981] nbd1: unable to read partition table 00:16:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x7c8, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback, 0x18730100}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 990.049608][ T6576] nbd5: unable to read partition table [ 990.070365][T20853] ldm_validate_partition_table(): Disk read failed. [ 990.072283][T20853] Dev nbd5: unable to read RDB block 0 00:16:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x200f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf403000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 990.097941][T20853] nbd5: unable to read partition table [ 990.131102][T20854] ldm_validate_partition_table(): Disk read failed. [ 990.133054][T20854] Dev nbd5: unable to read RDB block 0 [ 990.134599][T20854] nbd5: unable to read partition table 00:16:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xa00, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 990.170250][ T6576] ldm_validate_partition_table(): Disk read failed. [ 990.178064][ T6576] Dev nbd5: unable to read RDB block 0 [ 990.184460][ T6576] nbd5: unable to read partition table 00:16:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) [ 990.228664][ T6576] ldm_validate_partition_table(): Disk read failed. 00:16:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socket$inet(0x2, 0x4000000805, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 990.246754][ T6576] Dev nbd5: unable to read RDB block 0 [ 990.251959][ T6576] nbd5: unable to read partition table [ 990.264050][T20869] ldm_validate_partition_table(): Disk read failed. [ 990.267815][T20869] Dev nbd5: unable to read RDB block 0 [ 990.278121][T20869] nbd5: unable to read partition table [ 990.315602][T20869] ldm_validate_partition_table(): Disk read failed. [ 990.317759][T20869] Dev nbd5: unable to read RDB block 0 [ 990.319556][T20869] nbd5: unable to read partition table [ 990.335647][T20871] block nbd1: shutting down sockets [ 990.361707][ T6576] ldm_validate_partition_table(): Disk read failed. [ 990.363695][ T6576] Dev nbd5: unable to read RDB block 0 [ 990.365493][ T6576] nbd5: unable to read partition table [ 990.373335][ T6576] ldm_validate_partition_table(): Disk read failed. [ 990.375702][ T6576] Dev nbd5: unable to read RDB block 0 [ 990.377452][ T6576] nbd5: unable to read partition table [ 990.456636][T20874] ldm_validate_partition_table(): Disk read failed. [ 990.458691][T20874] Dev nbd5: unable to read RDB block 0 [ 990.460382][T20874] nbd5: unable to read partition table [ 990.614187][ T5976] block nbd3: Receive control failed (result -32) [ 990.614187][ T5978] block nbd3: Receive control failed (result -32) [ 990.618433][T20837] block nbd3: shutting down sockets 00:16:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x220100) ioctl$NBD_DO_IT(r6, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socket$inet(0x2, 0x4000000805, 0x0) (async) socket$inet_sctp(0x2, 0x5, 0x84) (async) dup3(r1, r2, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xffff) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x220100) (async) ioctl$NBD_DO_IT(r6, 0xab03) (async) 00:16:30 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x3000000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb48, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x3665c4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0) 00:16:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb54, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:30 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfc00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x300f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x3665c4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 990.777796][T20890] nbd5: detected capacity change from 0 to 38 [ 990.825492][T20889] block nbd3: shutting down sockets [ 990.832101][T20907] block nbd5: shutting down sockets [ 990.859018][ T6576] ldm_validate_partition_table(): Disk read failed. [ 990.865108][ T6576] Dev nbd5: unable to read RDB block 0 [ 990.871558][ T6576] nbd5: unable to read partition table [ 990.878066][T20900] block nbd3: Device being setup by another task [ 990.885638][ T6576] ldm_validate_partition_table(): Disk read failed. [ 990.892256][ T6576] Dev nbd5: unable to read RDB block 0 00:16:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) r1 = socket$inet(0x2, 0x4000000805, 0x0) (async) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) (async) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x220100) ioctl$NBD_DO_IT(r6, 0xab03) 00:16:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb58, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 990.931122][ T6576] nbd5: unable to read partition table 00:16:30 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfc03000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x3e03000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0) (async) 00:16:31 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfc00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb64, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:31 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfe80ffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x4000000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb68, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 991.236687][T20933] nbd5: detected capacity change from 0 to 38 00:16:31 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfec0ffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101100) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x125100) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r1, 0x8982, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) [ 991.291855][T20938] block nbd5: shutting down sockets [ 991.301592][ T6576] ldm_validate_partition_table(): Disk read failed. [ 991.316706][ T6576] Dev nbd5: unable to read RDB block 0 [ 991.327654][ T6576] nbd5: unable to read partition table [ 991.336411][T20925] ldm_validate_partition_table(): Disk read failed. [ 991.340963][T20925] Dev nbd5: unable to read RDB block 0 [ 991.362056][T20925] nbd5: unable to read partition table [ 991.383093][T20938] ldm_validate_partition_table(): Disk read failed. [ 991.385997][T20938] Dev nbd5: unable to read RDB block 0 [ 991.392286][T20938] nbd5: unable to read partition table [ 991.401652][ T6576] ldm_validate_partition_table(): Disk read failed. [ 991.403622][ T6576] Dev nbd5: unable to read RDB block 0 [ 991.405545][ T6576] nbd5: unable to read partition table [ 991.425116][T20950] block nbd1: Device being setup by another task [ 991.792116][ T5976] block nbd3: Receive control failed (result -32) [ 991.792117][ T5978] block nbd3: Receive control failed (result -32) [ 991.796092][T20912] block nbd3: shutting down sockets 00:16:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) 00:16:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x4400000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb9c, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:31 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xff00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0) (async) [ 991.904805][T20960] block nbd5: Device being setup by another task 00:16:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xba0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 991.939790][T20961] block nbd3: shutting down sockets [ 991.941878][T20961] block nbd3: server does not support multiple connections per device. 00:16:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x4800000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:31 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffff3b2c0080ffff}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 991.972445][T20960] nbd5: detected capacity change from 0 to 38 00:16:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x6) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) [ 992.033998][T20972] block nbd5: shutting down sockets [ 992.049347][ T6576] ldm_validate_partition_table(): Disk read failed. [ 992.057257][ T6576] Dev nbd5: unable to read RDB block 0 [ 992.065082][ T6576] nbd5: unable to read partition table [ 992.079544][T20956] ldm_validate_partition_table(): Disk read failed. [ 992.112305][T20956] Dev nbd5: unable to read RDB block 0 [ 992.114161][T20956] nbd5: unable to read partition table [ 992.142809][ T5502] block nbd1: Receive control failed (result -32) [ 992.145466][T20942] block nbd1: shutting down sockets [ 992.154802][ T6576] ldm_validate_partition_table(): Disk read failed. [ 992.156816][ T6576] Dev nbd5: unable to read RDB block 0 [ 992.158392][ T6576] nbd5: unable to read partition table 00:16:32 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback, 0x1000000}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 992.194902][ T6576] ldm_validate_partition_table(): Disk read failed. 00:16:32 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffff80002c3bffff}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.203589][ T6576] Dev nbd5: unable to read RDB block 0 00:16:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc00, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x480b000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.247229][ T6576] nbd5: unable to read partition table 00:16:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @multicast2}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r4 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, &(0x7f0000000740)="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", 0x1000) r5 = accept4(r3, 0x0, 0x0, 0x0) write$binfmt_script(r3, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '}\x8f/'}, {0x20, ',,[@!'}, {0x20, '/dev/nbd#\x00'}, {0x20, '*#'}, {0x20, '\'.\'&%'}, {0x20, '\x00'}, {}, {0x20, '{%*},]]\f.\xd1/],\v\'/(\x03^'}], 0xa, "b29382c820ad87f353209aa4b2e954e251d3fca5cf6d44ede21ddb58821c90ed8a091802e0cfcf66858b766f89e20bc369249ba7a93a6c3a26d045c61996d8051b944e2419e4a38109a024ca5780960191b44d914c0b5f90e0031417"}, 0xb2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, &(0x7f0000000180)="6518b9689c70292fa6faefede10458597ef24ebcf075367cdf831e47cdd638fb7c4c25e8cbbf40fc0b781fa2b4aa11730aefae5859171a97cbcc9bb8fd6b7505435af8515cbb91cf83e22faac671b8c83a2d7037d60b088fc5ee331346fe8278ff50e7872c525d2f0cbe373d171f6237986d37e4f85182ce732078121106a8571a98daf1", 0x84) 00:16:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x6) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) ioctl$NBD_DO_IT(r2, 0xab03) [ 992.268189][ T6576] ldm_validate_partition_table(): Disk read failed. [ 992.270190][ T6576] Dev nbd5: unable to read RDB block 0 [ 992.272097][ T6576] nbd5: unable to read partition table [ 992.329295][T20994] ldm_validate_partition_table(): Disk read failed. [ 992.331400][T20994] Dev nbd5: unable to read RDB block 0 [ 992.333260][T20994] nbd5: unable to read partition table 00:16:32 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffff3b2c0080ffff}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xe00, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x540b000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:32 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffffffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.406242][T20994] ldm_validate_partition_table(): Disk read failed. [ 992.408460][T20994] Dev nbd5: unable to read RDB block 0 [ 992.410265][T20994] nbd5: unable to read partition table [ 992.425812][T20996] block nbd3: Device being setup by another task [ 992.427744][T20995] block nbd3: shutting down sockets 00:16:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x5d1000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/module/vhost', 0x101080, 0x17) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00'/16]) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 00:16:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x5d1000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/module/vhost', 0x101080, 0x17) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00'/16]) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x5d1000) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/module/vhost', 0x101080, 0x17) (async) ioctl$NBD_DO_IT(r1, 0xab03) (async) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00'/16]) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) ioctl$NBD_DO_IT(r4, 0xab03) (async) 00:16:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf00, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:32 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffffffffc4653600}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x540f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:32 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x11000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.658067][ T6576] ldm_validate_partition_table(): Disk read failed. [ 992.722194][ T6576] Dev nbd5: unable to read RDB block 0 [ 992.728210][ T6576] nbd5: unable to read partition table 00:16:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @multicast2}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) r4 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, &(0x7f0000000740)="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", 0x1000) r5 = accept4(r3, 0x0, 0x0, 0x0) write$binfmt_script(r3, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '}\x8f/'}, {0x20, ',,[@!'}, {0x20, '/dev/nbd#\x00'}, {0x20, '*#'}, {0x20, '\'.\'&%'}, {0x20, '\x00'}, {}, {0x20, '{%*},]]\f.\xd1/],\v\'/(\x03^'}], 0xa, "b29382c820ad87f353209aa4b2e954e251d3fca5cf6d44ede21ddb58821c90ed8a091802e0cfcf66858b766f89e20bc369249ba7a93a6c3a26d045c61996d8051b944e2419e4a38109a024ca5780960191b44d914c0b5f90e0031417"}, 0xb2) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, &(0x7f0000000180)="6518b9689c70292fa6faefede10458597ef24ebcf075367cdf831e47cdd638fb7c4c25e8cbbf40fc0b781fa2b4aa11730aefae5859171a97cbcc9bb8fd6b7505435af8515cbb91cf83e22faac671b8c83a2d7037d60b088fc5ee331346fe8278ff50e7872c525d2f0cbe373d171f6237986d37e4f85182ce732078121106a8571a98daf1", 0x84) 00:16:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x5d1000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/module/vhost', 0x101080, 0x17) ioctl$NBD_DO_IT(r1, 0xab03) (async) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00'/16]) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 00:16:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf10, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x580b000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.784027][ T6576] ldm_validate_partition_table(): Disk read failed. 00:16:32 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.842191][ T6576] Dev nbd5: unable to read RDB block 0 [ 992.843915][ T6576] nbd5: unable to read partition table 00:16:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) signalfd4(r1, &(0x7f0000000000)={[0x7]}, 0x8, 0x800) ioctl$NBD_DO_IT(r0, 0xab03) [ 992.878920][T21037] ldm_validate_partition_table(): Disk read failed. [ 992.880915][T21037] Dev nbd5: unable to read RDB block 0 [ 992.899030][T21037] nbd5: unable to read partition table 00:16:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf1c, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x95d1) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) openat(r5, &(0x7f0000000000)='./file0\x00', 0x109000, 0x24) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 992.935833][T21042] ldm_validate_partition_table(): Disk read failed. [ 992.938242][T21042] Dev nbd5: unable to read RDB block 0 [ 992.945157][T21042] nbd5: unable to read partition table 00:16:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x6503000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:32 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x2}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 992.993715][T21044] nbd3: detected capacity change from 0 to 6 00:16:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @multicast2}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r4 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, &(0x7f0000000740)="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", 0x1000) (async) r5 = accept4(r3, 0x0, 0x0, 0x0) write$binfmt_script(r3, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '}\x8f/'}, {0x20, ',,[@!'}, {0x20, '/dev/nbd#\x00'}, {0x20, '*#'}, {0x20, '\'.\'&%'}, {0x20, '\x00'}, {}, {0x20, '{%*},]]\f.\xd1/],\v\'/(\x03^'}], 0xa, "b29382c820ad87f353209aa4b2e954e251d3fca5cf6d44ede21ddb58821c90ed8a091802e0cfcf66858b766f89e20bc369249ba7a93a6c3a26d045c61996d8051b944e2419e4a38109a024ca5780960191b44d914c0b5f90e0031417"}, 0xb2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, &(0x7f0000000180)="6518b9689c70292fa6faefede10458597ef24ebcf075367cdf831e47cdd638fb7c4c25e8cbbf40fc0b781fa2b4aa11730aefae5859171a97cbcc9bb8fd6b7505435af8515cbb91cf83e22faac671b8c83a2d7037d60b088fc5ee331346fe8278ff50e7872c525d2f0cbe373d171f6237986d37e4f85182ce732078121106a8571a98daf1", 0x84) [ 993.087621][T21047] nbd1: detected capacity change from 0 to 74 [ 993.089552][T21057] block nbd1: shutting down sockets [ 993.105429][T21056] block nbd5: Device being setup by another task 00:16:33 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x680b000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 993.114306][T21058] nbd5: detected capacity change from 0 to 38 [ 993.114363][T21055] block nbd5: shutting down sockets [ 993.118695][ T5967] ldm_validate_partition_table(): Disk read failed. [ 993.133095][ T5967] Dev nbd1: unable to read RDB block 0 00:16:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf20, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 993.145868][ T5967] nbd1: unable to read partition table [ 993.167611][ T5967] ldm_validate_partition_table(): Disk read failed. [ 993.179011][ T5967] Dev nbd1: unable to read RDB block 0 [ 993.190081][ T5967] nbd1: unable to read partition table 00:16:33 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback, 0x16ba8}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:16:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x680f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:16:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1001, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 993.733629][ T5976] block nbd3: Receive control failed (result -104) [ 993.733629][ T5502] block nbd3: Receive control failed (result -32) [ 1023.215101][ T1992] block nbd3: Connection timed out, retrying (0/2 alive) [ 1023.217166][ T1992] block nbd3: Dead connection, failed to find a fallback [ 1023.219104][ T1992] block nbd3: shutting down sockets [ 1023.220507][ T1992] blk_print_req_error: 552 callbacks suppressed [ 1023.220518][ T1992] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.224563][ T1992] buffer_io_error: 552 callbacks suppressed [ 1023.224573][ T1992] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.228546][ T1992] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.231040][ T1992] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.234378][ T1992] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.237045][ T1992] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.239315][ T1992] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.241688][ T1992] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.243844][ T52] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.246528][ T52] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.248665][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.250603][ T1992] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.253127][ T1992] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.255382][ T52] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.257793][ T52] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.260046][ T52] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.262465][ T52] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.264571][ T52] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.267133][ T52] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.269180][ T6576] Dev nbd3: unable to read RDB block 0 [ 1023.270774][ T52] I/O error, dev nbd3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1023.273287][ T52] Buffer I/O error on dev nbd3, logical block 0, async page read [ 1023.275638][ T6576] nbd3: unable to read partition table [ 1023.277274][ T6576] nbd3: partition table beyond EOD, truncated 00:17:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet_sctp(0x2, 0x0, 0x84) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x3d6a0622621c5bee}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x64, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '&*&a@D\\#@/\\].\''}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000800}, 0x8010) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@private0}}, &(0x7f00000001c0)=0xe8) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r7, 0x0, 0x0, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)={0x1478, 0x10, 0x4, 0x201, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x4}, [@nested={0xc4, 0x4, 0x0, 0x1, [@typed={0x8, 0x59, 0x0, 0x0, @ipv4=@multicast2}, @typed={0x8, 0x92, 0x0, 0x0, @uid=r6}, @generic="75e791cfebe46476c72223c2abe20b0b6da9e1fbb6d2177535c3a03450c45db656013a460670f186c0599cdbefbf3a1a04d84c48299679f096ff12c79b7416c3e6510f6501571c5365dab984439f3dbcd7c773905825b9ed5a94611ff255548a6a01d7a2652f93e180aa663df5e930dd8b11a69a112ecc349e5da12d55a573f9f6bf6286ee7243ed394bb4d669b9bc6688ffd39368ba3ce9d7e60b5bac452537407ab68d03ff5aee86fc830f48ae4086"]}, @nested={0x1021, 0x82, 0x0, 0x1, [@generic="461ddda9279f5f8ec38bface83289e155167511b2eb31785d55a54196e", @generic="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"]}, @typed={0x8, 0x77, 0x0, 0x0, @fd}, @generic="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", @typed={0x5, 0x3, 0x0, 0x0, @str='\x00'}, @nested={0xca, 0x68, 0x0, 0x1, [@generic="9792c5aeac0878431d77ee511738e8cbe548b472ff0a6ecefd5aba6d82a2e4ba72", @typed={0xc, 0x2a, 0x0, 0x0, @u64=0xae}, @generic="a1", @generic="77993bfef23dc5bfa80ba51cd76b95f4d97636fc590e3df946b183e7f07c667ee87cb359977045ae25288286d6953d7d93161e5c2ac889134139056109a1ad6a1cf0c4a3adf761c7be91cbe59828d3c120ceb4a60ae6d74d4e6889fc9c2ccc3ba42da9828b66e2672f1169aa3ccfe30c26a4b46eca5f06071dd87ff6fc753a090d4b915fe34b91b2cc3d1bfc5a09e34e9aee23192df6de3a"]}, @generic="83ae8e04decff0f1420a67a344f8288c239b76b931446dd536fc0700fbd19e50273fd08fc83cb4f48ab24a596771c06f2dbe98a6bd81e0b00de5c6ef23697b0dcfebc11bedf39e7044add3e3985961bb30ac8014ac3f3aba672d89741cb972c8bfe2d5b1d5cfb250179ac598b162b60ab3908ef073ea7d30140b2368734b15fe866b5982c0b7214997a43ed1865c09ac8d2d892d7d0db4de5ffd4581f5063093cd089c8b7467bc6ac48958d25f34e21cce5ae2529d4771dacf870f645e0751701162755306317179eb8a21daec7b66e1b76f7d654b376482aa87c3e7294afe1e9fc28a3a85b9c6231c21528ac6a5", @typed={0x8, 0x89, 0x0, 0x0, @fd=r7}, @generic="a04462756c7e65266d30e934f34b3436ad44414dca705df4f4591e0af8b4fb51e88e8c1d9b3e1120b36b3f36f3251abe557a2293ae0f466970a52020358c290adb1c21208b1566b953f4d5280bda406dc4f2d5d2c206f9a05825d662c59df2a63eadea3b2990d2a5b4f78d6e53e588eaf21ad45e90ddf5363d9a62e73bc39bded0a8dc634298e574a074384dbc6d593dde56ffe350e2389b9ca9fa26f946d54add58f1d9975a86d050b852959990"]}, 0x1478}}, 0x4040811) 00:17:03 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x9701}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x6a01000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x100f, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) signalfd4(r1, &(0x7f0000000000)={[0x7]}, 0x8, 0x800) (async) ioctl$NBD_DO_IT(r0, 0xab03) [ 1023.322622][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.331931][ T6576] Dev nbd3: unable to read RDB block 0 [ 1023.335178][ T6576] nbd3: unable to read partition table [ 1023.342585][ T6576] nbd3: partition table beyond EOD, truncated [ 1023.358769][T21084] ldm_validate_partition_table(): Disk read failed. [ 1023.361069][T21084] Dev nbd3: unable to read RDB block 0 [ 1023.362960][T21084] nbd3: unable to read partition table [ 1023.367125][T21084] nbd3: partition table beyond EOD, truncated [ 1023.372905][T21086] ldm_validate_partition_table(): Disk read failed. 00:17:03 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x5}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1023.385174][T21086] Dev nbd3: unable to read RDB block 0 [ 1023.387151][T21086] nbd3: unable to read partition table [ 1023.388917][T21086] nbd3: partition table beyond EOD, truncated [ 1023.392309][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.394575][ T6576] Dev nbd3: unable to read RDB block 0 00:17:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1100, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1023.424886][T21086] block nbd3: Device being setup by another task [ 1023.426995][ T6576] nbd3: unable to read partition table [ 1023.428562][ T6576] nbd3: partition table beyond EOD, truncated 00:17:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x6a11000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) signalfd4(r1, &(0x7f0000000000)={[0x7]}, 0x8, 0x800) ioctl$NBD_DO_IT(r0, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) signalfd4(r1, &(0x7f0000000000)={[0x7]}, 0x8, 0x800) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) [ 1023.470394][T21090] nbd5: detected capacity change from 0 to 38 00:17:03 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x6a01000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1023.475162][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.482619][ T6576] Dev nbd3: unable to read RDB block 0 [ 1023.492481][ T6576] nbd3: unable to read partition table [ 1023.494122][ T6576] nbd3: partition table beyond EOD, truncated 00:17:03 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1023.545699][T21099] block nbd5: NBD_DISCONNECT [ 1023.545922][T21095] ldm_validate_partition_table(): Disk read failed. [ 1023.548024][T21099] block nbd5: Disconnected due to user request. [ 1023.550585][T21099] block nbd5: shutting down sockets [ 1023.550874][T21095] Dev nbd3: unable to read RDB block 0 [ 1023.561702][T21095] nbd3: unable to read partition table [ 1023.563344][T21095] nbd3: partition table beyond EOD, truncated [ 1023.566214][T21100] ldm_validate_partition_table(): Disk read failed. [ 1023.568326][T21100] Dev nbd3: unable to read RDB block 0 [ 1023.570062][T21100] nbd3: unable to read partition table [ 1023.571591][T21100] nbd3: partition table beyond EOD, truncated [ 1023.576450][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.593540][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1023.595628][ T6948] Dev nbd5: unable to read RDB block 0 [ 1023.614952][T21095] block nbd3: Device being setup by another task [ 1023.623204][ T6576] Dev nbd3: unable to read RDB block 0 [ 1023.625216][ T6576] nbd3: unable to read partition table [ 1023.626788][ T6576] nbd3: partition table beyond EOD, truncated [ 1023.635427][ T6948] nbd5: unable to read partition table [ 1023.644562][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1023.645521][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1023.651058][ T6948] Dev nbd5: unable to read RDB block 0 [ 1023.653483][ T6576] Dev nbd3: unable to read RDB block 0 [ 1023.657161][ T6576] nbd3: unable to read partition table [ 1023.661046][ T6576] nbd3: partition table beyond EOD, truncated [ 1023.669226][T21095] ldm_validate_partition_table(): Disk read failed. [ 1023.671509][T21095] Dev nbd3: unable to read RDB block 0 [ 1023.673326][T21095] nbd3: unable to read partition table [ 1023.678811][T21095] nbd3: partition table beyond EOD, truncated [ 1023.694034][ T6948] nbd5: unable to read partition table 00:17:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async, rerun: 32) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async, rerun: 32) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) r3 = socket$inet_sctp(0x2, 0x0, 0x84) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x3d6a0622621c5bee}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x64, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '&*&a@D\\#@/\\].\''}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000800}, 0x8010) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async, rerun: 64) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@private0}}, &(0x7f00000001c0)=0xe8) (async, rerun: 64) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r7, 0x0, 0x0, 0x0) (async, rerun: 32) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)={0x1478, 0x10, 0x4, 0x201, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x4}, [@nested={0xc4, 0x4, 0x0, 0x1, [@typed={0x8, 0x59, 0x0, 0x0, @ipv4=@multicast2}, @typed={0x8, 0x92, 0x0, 0x0, @uid=r6}, @generic="75e791cfebe46476c72223c2abe20b0b6da9e1fbb6d2177535c3a03450c45db656013a460670f186c0599cdbefbf3a1a04d84c48299679f096ff12c79b7416c3e6510f6501571c5365dab984439f3dbcd7c773905825b9ed5a94611ff255548a6a01d7a2652f93e180aa663df5e930dd8b11a69a112ecc349e5da12d55a573f9f6bf6286ee7243ed394bb4d669b9bc6688ffd39368ba3ce9d7e60b5bac452537407ab68d03ff5aee86fc830f48ae4086"]}, @nested={0x1021, 0x82, 0x0, 0x1, [@generic="461ddda9279f5f8ec38bface83289e155167511b2eb31785d55a54196e", @generic="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@typed={0x8, 0x77, 0x0, 0x0, @fd}, @generic="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", @typed={0x5, 0x3, 0x0, 0x0, @str='\x00'}, @nested={0xca, 0x68, 0x0, 0x1, [@generic="9792c5aeac0878431d77ee511738e8cbe548b472ff0a6ecefd5aba6d82a2e4ba72", @typed={0xc, 0x2a, 0x0, 0x0, @u64=0xae}, @generic="a1", @generic="77993bfef23dc5bfa80ba51cd76b95f4d97636fc590e3df946b183e7f07c667ee87cb359977045ae25288286d6953d7d93161e5c2ac889134139056109a1ad6a1cf0c4a3adf761c7be91cbe59828d3c120ceb4a60ae6d74d4e6889fc9c2ccc3ba42da9828b66e2672f1169aa3ccfe30c26a4b46eca5f06071dd87ff6fc753a090d4b915fe34b91b2cc3d1bfc5a09e34e9aee23192df6de3a"]}, @generic="83ae8e04decff0f1420a67a344f8288c239b76b931446dd536fc0700fbd19e50273fd08fc83cb4f48ab24a596771c06f2dbe98a6bd81e0b00de5c6ef23697b0dcfebc11bedf39e7044add3e3985961bb30ac8014ac3f3aba672d89741cb972c8bfe2d5b1d5cfb250179ac598b162b60ab3908ef073ea7d30140b2368734b15fe866b5982c0b7214997a43ed1865c09ac8d2d892d7d0db4de5ffd4581f5063093cd089c8b7467bc6ac48958d25f34e21cce5ae2529d4771dacf870f645e0751701162755306317179eb8a21daec7b66e1b76f7d654b376482aa87c3e7294afe1e9fc28a3a85b9c6231c21528ac6a5", @typed={0x8, 0x89, 0x0, 0x0, @fd=r7}, @generic="a04462756c7e65266d30e934f34b3436ad44414dca705df4f4591e0af8b4fb51e88e8c1d9b3e1120b36b3f36f3251abe557a2293ae0f466970a52020358c290adb1c21208b1566b953f4d5280bda406dc4f2d5d2c206f9a05825d662c59df2a63eadea3b2990d2a5b4f78d6e53e588eaf21ad45e90ddf5363d9a62e73bc39bded0a8dc634298e574a074384dbc6d593dde56ffe350e2389b9ca9fa26f946d54add58f1d9975a86d050b852959990"]}, 0x1478}}, 0x4040811) (rerun: 32) 00:17:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x12d8, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:03 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x7}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x5000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x8007000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r1 = pidfd_getfd(0xffffffffffffffff, r0, 0x0) ioctl$NBD_PRINT_DEBUG(r1, 0xab06) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c1040) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 00:17:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x12e4, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x8c07000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet_sctp(0x2, 0x0, 0x84) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x3d6a0622621c5bee}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x64, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '&*&a@D\\#@/\\].\''}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000800}, 0x8010) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@private0}}, &(0x7f00000001c0)=0xe8) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r7, 0x0, 0x0, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)={0x1478, 0x10, 0x4, 0x201, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x4}, [@nested={0xc4, 0x4, 0x0, 0x1, [@typed={0x8, 0x59, 0x0, 0x0, @ipv4=@multicast2}, @typed={0x8, 0x92, 0x0, 0x0, @uid=r6}, @generic="75e791cfebe46476c72223c2abe20b0b6da9e1fbb6d2177535c3a03450c45db656013a460670f186c0599cdbefbf3a1a04d84c48299679f096ff12c79b7416c3e6510f6501571c5365dab984439f3dbcd7c773905825b9ed5a94611ff255548a6a01d7a2652f93e180aa663df5e930dd8b11a69a112ecc349e5da12d55a573f9f6bf6286ee7243ed394bb4d669b9bc6688ffd39368ba3ce9d7e60b5bac452537407ab68d03ff5aee86fc830f48ae4086"]}, @nested={0x1021, 0x82, 0x0, 0x1, [@generic="461ddda9279f5f8ec38bface83289e155167511b2eb31785d55a54196e", @generic="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@typed={0x8, 0x77, 0x0, 0x0, @fd}, @generic="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", @typed={0x5, 0x3, 0x0, 0x0, @str='\x00'}, @nested={0xca, 0x68, 0x0, 0x1, [@generic="9792c5aeac0878431d77ee511738e8cbe548b472ff0a6ecefd5aba6d82a2e4ba72", @typed={0xc, 0x2a, 0x0, 0x0, @u64=0xae}, @generic="a1", @generic="77993bfef23dc5bfa80ba51cd76b95f4d97636fc590e3df946b183e7f07c667ee87cb359977045ae25288286d6953d7d93161e5c2ac889134139056109a1ad6a1cf0c4a3adf761c7be91cbe59828d3c120ceb4a60ae6d74d4e6889fc9c2ccc3ba42da9828b66e2672f1169aa3ccfe30c26a4b46eca5f06071dd87ff6fc753a090d4b915fe34b91b2cc3d1bfc5a09e34e9aee23192df6de3a"]}, @generic="83ae8e04decff0f1420a67a344f8288c239b76b931446dd536fc0700fbd19e50273fd08fc83cb4f48ab24a596771c06f2dbe98a6bd81e0b00de5c6ef23697b0dcfebc11bedf39e7044add3e3985961bb30ac8014ac3f3aba672d89741cb972c8bfe2d5b1d5cfb250179ac598b162b60ab3908ef073ea7d30140b2368734b15fe866b5982c0b7214997a43ed1865c09ac8d2d892d7d0db4de5ffd4581f5063093cd089c8b7467bc6ac48958d25f34e21cce5ae2529d4771dacf870f645e0751701162755306317179eb8a21daec7b66e1b76f7d654b376482aa87c3e7294afe1e9fc28a3a85b9c6231c21528ac6a5", @typed={0x8, 0x89, 0x0, 0x0, @fd=r7}, @generic="a04462756c7e65266d30e934f34b3436ad44414dca705df4f4591e0af8b4fb51e88e8c1d9b3e1120b36b3f36f3251abe557a2293ae0f466970a52020358c290adb1c21208b1566b953f4d5280bda406dc4f2d5d2c206f9a05825d662c59df2a63eadea3b2990d2a5b4f78d6e53e588eaf21ad45e90ddf5363d9a62e73bc39bded0a8dc634298e574a074384dbc6d593dde56ffe350e2389b9ca9fa26f946d54add58f1d9975a86d050b852959990"]}, 0x1478}}, 0x4040811) [ 1023.914818][T21127] block nbd3: Device being setup by another task [ 1023.916819][T21125] block nbd5: Device being setup by another task 00:17:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x12e8, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1023.973972][T21124] block nbd5: shutting down sockets [ 1023.975658][T21129] nbd5: detected capacity change from 0 to 38 00:17:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet_sctp(0x2, 0x0, 0x84) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x3d6a0622621c5bee}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x64, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '&*&a@D\\#@/\\].\''}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000800}, 0x8010) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@private0}}, &(0x7f00000001c0)=0xe8) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async) accept4(r7, 0x0, 0x0, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)={0x1478, 0x10, 0x4, 0x201, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x4}, [@nested={0xc4, 0x4, 0x0, 0x1, [@typed={0x8, 0x59, 0x0, 0x0, @ipv4=@multicast2}, @typed={0x8, 0x92, 0x0, 0x0, @uid=r6}, @generic="75e791cfebe46476c72223c2abe20b0b6da9e1fbb6d2177535c3a03450c45db656013a460670f186c0599cdbefbf3a1a04d84c48299679f096ff12c79b7416c3e6510f6501571c5365dab984439f3dbcd7c773905825b9ed5a94611ff255548a6a01d7a2652f93e180aa663df5e930dd8b11a69a112ecc349e5da12d55a573f9f6bf6286ee7243ed394bb4d669b9bc6688ffd39368ba3ce9d7e60b5bac452537407ab68d03ff5aee86fc830f48ae4086"]}, @nested={0x1021, 0x82, 0x0, 0x1, [@generic="461ddda9279f5f8ec38bface83289e155167511b2eb31785d55a54196e", @generic="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"]}, @typed={0x8, 0x77, 0x0, 0x0, @fd}, @generic="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", @typed={0x5, 0x3, 0x0, 0x0, @str='\x00'}, @nested={0xca, 0x68, 0x0, 0x1, [@generic="9792c5aeac0878431d77ee511738e8cbe548b472ff0a6ecefd5aba6d82a2e4ba72", @typed={0xc, 0x2a, 0x0, 0x0, @u64=0xae}, @generic="a1", @generic="77993bfef23dc5bfa80ba51cd76b95f4d97636fc590e3df946b183e7f07c667ee87cb359977045ae25288286d6953d7d93161e5c2ac889134139056109a1ad6a1cf0c4a3adf761c7be91cbe59828d3c120ceb4a60ae6d74d4e6889fc9c2ccc3ba42da9828b66e2672f1169aa3ccfe30c26a4b46eca5f06071dd87ff6fc753a090d4b915fe34b91b2cc3d1bfc5a09e34e9aee23192df6de3a"]}, @generic="83ae8e04decff0f1420a67a344f8288c239b76b931446dd536fc0700fbd19e50273fd08fc83cb4f48ab24a596771c06f2dbe98a6bd81e0b00de5c6ef23697b0dcfebc11bedf39e7044add3e3985961bb30ac8014ac3f3aba672d89741cb972c8bfe2d5b1d5cfb250179ac598b162b60ab3908ef073ea7d30140b2368734b15fe866b5982c0b7214997a43ed1865c09ac8d2d892d7d0db4de5ffd4581f5063093cd089c8b7467bc6ac48958d25f34e21cce5ae2529d4771dacf870f645e0751701162755306317179eb8a21daec7b66e1b76f7d654b376482aa87c3e7294afe1e9fc28a3a85b9c6231c21528ac6a5", @typed={0x8, 0x89, 0x0, 0x0, @fd=r7}, @generic="a04462756c7e65266d30e934f34b3436ad44414dca705df4f4591e0af8b4fb51e88e8c1d9b3e1120b36b3f36f3251abe557a2293ae0f466970a52020358c290adb1c21208b1566b953f4d5280bda406dc4f2d5d2c206f9a05825d662c59df2a63eadea3b2990d2a5b4f78d6e53e588eaf21ad45e90ddf5363d9a62e73bc39bded0a8dc634298e574a074384dbc6d593dde56ffe350e2389b9ca9fa26f946d54add58f1d9975a86d050b852959990"]}, 0x1478}}, 0x4040811) 00:17:04 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x8dffffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x12f8, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1024.086619][T21152] nbd1: detected capacity change from 0 to 38 00:17:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x2, 0x8000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1024.113471][ T6948] block nbd5: shutting down sockets [ 1024.142662][T21155] block nbd1: NBD_DISCONNECT [ 1024.145021][T21155] block nbd1: Disconnected due to user request. [ 1024.150411][T21155] block nbd1: shutting down sockets [ 1024.163870][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1024.175212][ T5981] Dev nbd1: unable to read RDB block 0 00:17:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x131c, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1024.192387][ T5981] nbd1: unable to read partition table [ 1024.225882][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1024.237554][ T5981] Dev nbd1: unable to read RDB block 0 [ 1024.241973][ T5981] nbd1: unable to read partition table [ 1024.298549][T21160] nbd5: detected capacity change from 0 to 38 [ 1024.603638][ T5976] block nbd3: Receive control failed (result -32) [ 1024.604066][T21122] block nbd3: shutting down sockets 00:17:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r1 = pidfd_getfd(0xffffffffffffffff, r0, 0x0) ioctl$NBD_PRINT_DEBUG(r1, 0xab06) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c1040) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 00:17:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x9007000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:04 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet_sctp(0x2, 0x0, 0x84) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x3d6a0622621c5bee}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x64, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x12, 0xa, '&*&a@D\\#@/\\].\''}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000800}, 0x8010) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@private0}}, &(0x7f00000001c0)=0xe8) r7 = socket$alg(0x26, 0x5, 0x0) bind$alg(r7, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r7, 0x0, 0x0, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)={0x1478, 0x10, 0x4, 0x201, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x4}, [@nested={0xc4, 0x4, 0x0, 0x1, [@typed={0x8, 0x59, 0x0, 0x0, @ipv4=@multicast2}, @typed={0x8, 0x92, 0x0, 0x0, @uid=r6}, @generic="75e791cfebe46476c72223c2abe20b0b6da9e1fbb6d2177535c3a03450c45db656013a460670f186c0599cdbefbf3a1a04d84c48299679f096ff12c79b7416c3e6510f6501571c5365dab984439f3dbcd7c773905825b9ed5a94611ff255548a6a01d7a2652f93e180aa663df5e930dd8b11a69a112ecc349e5da12d55a573f9f6bf6286ee7243ed394bb4d669b9bc6688ffd39368ba3ce9d7e60b5bac452537407ab68d03ff5aee86fc830f48ae4086"]}, @nested={0x1021, 0x82, 0x0, 0x1, [@generic="461ddda9279f5f8ec38bface83289e155167511b2eb31785d55a54196e", @generic="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"]}, @typed={0x8, 0x77, 0x0, 0x0, @fd}, @generic="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", @typed={0x5, 0x3, 0x0, 0x0, @str='\x00'}, @nested={0xca, 0x68, 0x0, 0x1, [@generic="9792c5aeac0878431d77ee511738e8cbe548b472ff0a6ecefd5aba6d82a2e4ba72", @typed={0xc, 0x2a, 0x0, 0x0, @u64=0xae}, @generic="a1", @generic="77993bfef23dc5bfa80ba51cd76b95f4d97636fc590e3df946b183e7f07c667ee87cb359977045ae25288286d6953d7d93161e5c2ac889134139056109a1ad6a1cf0c4a3adf761c7be91cbe59828d3c120ceb4a60ae6d74d4e6889fc9c2ccc3ba42da9828b66e2672f1169aa3ccfe30c26a4b46eca5f06071dd87ff6fc753a090d4b915fe34b91b2cc3d1bfc5a09e34e9aee23192df6de3a"]}, @generic="83ae8e04decff0f1420a67a344f8288c239b76b931446dd536fc0700fbd19e50273fd08fc83cb4f48ab24a596771c06f2dbe98a6bd81e0b00de5c6ef23697b0dcfebc11bedf39e7044add3e3985961bb30ac8014ac3f3aba672d89741cb972c8bfe2d5b1d5cfb250179ac598b162b60ab3908ef073ea7d30140b2368734b15fe866b5982c0b7214997a43ed1865c09ac8d2d892d7d0db4de5ffd4581f5063093cd089c8b7467bc6ac48958d25f34e21cce5ae2529d4771dacf870f645e0751701162755306317179eb8a21daec7b66e1b76f7d654b376482aa87c3e7294afe1e9fc28a3a85b9c6231c21528ac6a5", @typed={0x8, 0x89, 0x0, 0x0, @fd=r7}, @generic="a04462756c7e65266d30e934f34b3436ad44414dca705df4f4591e0af8b4fb51e88e8c1d9b3e1120b36b3f36f3251abe557a2293ae0f466970a52020358c290adb1c21208b1566b953f4d5280bda406dc4f2d5d2c206f9a05825d662c59df2a63eadea3b2990d2a5b4f78d6e53e588eaf21ad45e90ddf5363d9a62e73bc39bded0a8dc634298e574a074384dbc6d593dde56ffe350e2389b9ca9fa26f946d54add58f1d9975a86d050b852959990"]}, 0x1478}}, 0x4040811) 00:17:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1330, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1024.703555][T21176] block nbd3: shutting down sockets 00:17:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1400, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x9701000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1024.724830][T21175] block nbd1: Device being setup by another task 00:17:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r1 = pidfd_getfd(0xffffffffffffffff, r0, 0x0) ioctl$NBD_PRINT_DEBUG(r1, 0xab06) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c1040) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) pidfd_getfd(0xffffffffffffffff, r0, 0x0) (async) ioctl$NBD_PRINT_DEBUG(r1, 0xab06) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c1040) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x800) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) 00:17:04 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xd}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1024.779786][T21175] nbd1: detected capacity change from 0 to 38 00:17:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1c0f, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1024.848766][T21186] block nbd1: NBD_DISCONNECT [ 1024.861646][T21186] block nbd1: Disconnected due to user request. [ 1024.870809][T21186] block nbd1: shutting down sockets [ 1024.897112][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1024.904353][ T6948] Dev nbd1: unable to read RDB block 0 [ 1024.919812][ T6948] nbd1: unable to read partition table [ 1024.923295][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1024.935988][T21183] block nbd3: shutting down sockets [ 1024.948130][ T6948] Dev nbd1: unable to read RDB block 0 [ 1024.950238][ T6948] nbd1: unable to read partition table [ 1027.133966][T21156] block nbd5: shutting down sockets [ 1027.136998][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.139043][ T6576] Dev nbd5: unable to read RDB block 0 [ 1027.140995][ T6576] nbd5: unable to read partition table 00:17:07 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xa002000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:07 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x9701000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1c13, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) r5 = openat2(r4, &(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x4000, 0xc9, 0x10}, 0x18) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f00000002c0)=[@in={0x2, 0x4e24, @multicast1}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) openat2(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0xc00, 0x0, 0x12}, 0x18) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x3, 0x3}}, './file0\x00'}) r11 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r11, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r11, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) bpf$ITER_CREATE(0x21, &(0x7f0000000180)={r4}, 0x8) r12 = syz_open_dev$mouse(&(0x7f00000001c0), 0x1e, 0x400b01) ioctl$NBD_SET_SOCK(r12, 0xab00, r11) r13 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r13, 0xab03) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) 00:17:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x2, 0x8000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1027.192014][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.233326][ T6576] Dev nbd5: unable to read RDB block 0 [ 1027.239874][ T6576] nbd5: unable to read partition table 00:17:07 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1027.249899][T21207] ldm_validate_partition_table(): Disk read failed. [ 1027.251996][T21207] Dev nbd5: unable to read RDB block 0 [ 1027.253847][T21207] nbd5: unable to read partition table 00:17:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x200f, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xa00b000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1027.317230][T21207] block nbd5: Device being setup by another task 00:17:07 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x4000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1027.364785][T21208] block nbd5: Device being setup by another task [ 1027.366944][T21214] ldm_validate_partition_table(): Disk read failed. [ 1027.395102][T21207] block nbd5: Device being setup by another task 00:17:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xae00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1027.397839][T21214] Dev nbd5: unable to read RDB block 0 [ 1027.399820][T21214] nbd5: unable to read partition table [ 1027.420672][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.427281][ T6576] Dev nbd5: unable to read RDB block 0 00:17:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1027.435184][ T6576] nbd5: unable to read partition table [ 1027.467482][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.491380][ T6576] Dev nbd5: unable to read RDB block 0 [ 1027.502190][ T6576] nbd5: unable to read partition table 00:17:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xb803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async, rerun: 64) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async, rerun: 64) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x2, 0x8000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 00:17:07 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x10}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3013, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1027.645671][T21228] block nbd5: Device being setup by another task [ 1027.706161][T21226] nbd5: detected capacity change from 0 to 38 [ 1027.708308][T21229] block nbd5: shutting down sockets [ 1027.717128][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.719219][ T6576] Dev nbd5: unable to read RDB block 0 [ 1027.720967][ T6576] nbd5: unable to read partition table [ 1027.728543][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1027.730615][ T6576] Dev nbd5: unable to read RDB block 0 [ 1027.732319][ T6576] nbd5: unable to read partition table [ 1028.006399][ T5502] block nbd3: Receive control failed (result -32) [ 1028.009353][T21200] block nbd3: shutting down sockets 00:17:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) r5 = openat2(r4, &(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x4000, 0xc9, 0x10}, 0x18) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f00000002c0)=[@in={0x2, 0x4e24, @multicast1}], 0x10) (async) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) r7 = socket$inet(0x2, 0x4000000805, 0x0) (async) r8 = socket$inet_sctp(0x2, 0x5, 0x84) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) (async) openat2(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0xc00, 0x0, 0x12}, 0x18) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x3, 0x3}}, './file0\x00'}) r11 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r11, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r11, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) bpf$ITER_CREATE(0x21, &(0x7f0000000180)={r4}, 0x8) r12 = syz_open_dev$mouse(&(0x7f00000001c0), 0x1e, 0x400b01) ioctl$NBD_SET_SOCK(r12, 0xab00, r11) (async) r13 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r13, 0xab03) (async) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) 00:17:08 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback, 0xf403}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc403000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x11}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x4000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x181080) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000), 0x280000, 0x0) r4 = fsmount(r3, 0x0, 0x80) ioctl$NBD_DO_IT(r4, 0xab03) r5 = socket$inet(0x2, 0x6, 0x3) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0xfffffffffffffeb6, 0x4000, &(0x7f0000000140)={0x2, 0x4e20, @loopback}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000100), 0x3, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r9) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$inet(0x2, 0x4000000805, 0x0) (async) r2 = socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) (async) r3 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r2, r3, 0x0) (async) r4 = dup3(r2, r3, 0x0) r5 = openat2(r4, &(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x4000, 0xc9, 0x10}, 0x18) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f00000002c0)=[@in={0x2, 0x4e24, @multicast1}], 0x10) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f00000002c0)=[@in={0x2, 0x4e24, @multicast1}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) (async) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) openat2(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0xc00, 0x0, 0x12}, 0x18) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x3, 0x3}}, './file0\x00'}) r11 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r11, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r11, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) bpf$ITER_CREATE(0x21, &(0x7f0000000180)={r4}, 0x8) syz_open_dev$mouse(&(0x7f00000001c0), 0x1e, 0x400b01) (async) r12 = syz_open_dev$mouse(&(0x7f00000001c0), 0x1e, 0x400b01) ioctl$NBD_SET_SOCK(r12, 0xab00, r11) r13 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r13, 0xab03) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) (async) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) 00:17:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x4400, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc601000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x30}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x10}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1028.264924][T21265] block nbd5: Device being setup by another task [ 1028.267674][T21265] block nbd5: shutting down sockets 00:17:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x181080) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000), 0x280000, 0x0) r4 = fsmount(r3, 0x0, 0x80) ioctl$NBD_DO_IT(r4, 0xab03) (async, rerun: 64) r5 = socket$inet(0x2, 0x6, 0x3) (rerun: 64) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r6, &(0x7f00003cef9f)='7', 0xfffffffffffffeb6, 0x4000, &(0x7f0000000140)={0x2, 0x4e20, @loopback}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) (async) r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000100), 0x3, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r9) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) (async, rerun: 32) ioctl$NBD_SET_SOCK(r9, 0xab00, 0xffffffffffffffff) (rerun: 32) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:08 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x44}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xc803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x480b, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:08 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x48}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:08 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback, 0xf003}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1028.485008][T21279] block nbd5: Device being setup by another task [ 1028.509241][T21279] block nbd5: shutting down sockets 00:17:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x4c00, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1029.007885][ T5502] block nbd3: Receive control failed (result -32) [ 1029.013383][T21256] block nbd3: shutting down sockets 00:17:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x23c800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x410200) 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xce01000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xae}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x95d1) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) openat(r5, &(0x7f0000000000)='./file0\x00', 0x109000, 0x24) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x540b, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x181080) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000), 0x280000, 0x0) r4 = fsmount(r3, 0x0, 0x80) ioctl$NBD_DO_IT(r4, 0xab03) (async) r5 = socket$inet(0x2, 0x6, 0x3) (async) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r6, &(0x7f00003cef9f)='7', 0xfffffffffffffeb6, 0x4000, &(0x7f0000000140)={0x2, 0x4e20, @loopback}, 0x10) (async) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000100), 0x3, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r9) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x580b, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xfc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x23c800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x410200) 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xd803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x640b, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1029.194928][T21303] block nbd5: Device being setup by another task [ 1029.200099][T21303] block nbd5: shutting down sockets [ 1029.228771][T21300] nbd1: detected capacity change from 0 to 74 [ 1029.231839][T21319] nbd1: detected capacity change from 74 to 38 00:17:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c4}, 0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x0, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1c76834c}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x23c800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) ioctl$NBD_DO_IT(r2, 0xab03) (rerun: 32) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x410200) 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x110}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.295236][T21326] block nbd1: shutting down sockets [ 1029.310625][T21326] blk_print_req_error: 391 callbacks suppressed [ 1029.310638][T21326] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.315133][T21326] buffer_io_error: 391 callbacks suppressed [ 1029.315144][T21326] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.326144][ T1992] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.328635][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.335588][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.338202][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xe0ffffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.347110][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.349459][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.351612][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.354050][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.356409][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.358786][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.361395][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.363776][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.366367][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.368850][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.370940][T21319] ldm_validate_partition_table(): Disk read failed. [ 1029.372775][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.375302][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.379965][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1029.382470][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1029.384797][T21319] Dev nbd1: unable to read RDB block 0 [ 1029.386663][T21319] nbd1: unable to read partition table [ 1029.390013][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.392129][ T6576] Dev nbd1: unable to read RDB block 0 [ 1029.393965][ T6576] nbd1: unable to read partition table [ 1029.397256][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.399461][ T6576] Dev nbd1: unable to read RDB block 0 [ 1029.401285][ T6576] nbd1: unable to read partition table [ 1029.417410][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.429218][T21331] nbd5: detected capacity change from 0 to 38 [ 1029.458592][ T6576] Dev nbd1: unable to read RDB block 0 [ 1029.460557][ T6576] nbd1: unable to read partition table [ 1029.465463][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.467594][ T6576] Dev nbd1: unable to read RDB block 0 [ 1029.469466][ T6576] nbd1: unable to read partition table 00:17:09 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x22}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x680b, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1029.487731][T21338] block nbd5: shutting down sockets [ 1029.505027][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1029.517657][ T5981] Dev nbd5: unable to read RDB block 0 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x16a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.536683][ T5981] nbd5: unable to read partition table 00:17:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c4}, 0x1) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c4}, 0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x0, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1c76834c}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1029.575409][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1029.582971][ T5981] Dev nbd5: unable to read RDB block 0 [ 1029.621867][ T5981] nbd5: unable to read partition table 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xe803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.638311][T21348] ldm_validate_partition_table(): Disk read failed. [ 1029.645168][T21348] Dev nbd5: unable to read RDB block 0 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x8007, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1029.659584][T21348] nbd5: unable to read partition table 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x197}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.725578][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.728823][ T6576] Dev nbd5: unable to read RDB block 0 [ 1029.738287][ T6576] nbd5: unable to read partition table [ 1029.745695][T21355] ldm_validate_partition_table(): Disk read failed. [ 1029.747727][T21355] Dev nbd5: unable to read RDB block 0 00:17:09 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x21}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.755844][T21355] nbd5: unable to read partition table 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf003000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x8400, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1029.796082][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.798586][ T6576] Dev nbd5: unable to read RDB block 0 [ 1029.800333][ T6576] nbd5: unable to read partition table [ 1029.863073][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.882460][ T6576] Dev nbd5: unable to read RDB block 0 00:17:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1c6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1029.899860][ T6576] nbd5: unable to read partition table [ 1029.916362][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1029.918717][ T6576] Dev nbd5: unable to read RDB block 0 [ 1029.923896][ T6576] nbd5: unable to read partition table 00:17:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf00f000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1030.328358][T12014] block nbd3: Receive control failed (result -32) [ 1030.329619][ T5502] block nbd3: Receive control failed (result -32) [ 1030.331305][T21341] block nbd3: shutting down sockets 00:17:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c4}, 0x1) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x0, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1c76834c}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x8c07, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:10 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x21}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:10 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1ce}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf103000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:10 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1f4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1030.464858][T21385] block nbd5: Device being setup by another task 00:17:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x9007, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf203000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:10 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x43}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1030.516269][T21388] block nbd3: Device being setup by another task [ 1030.519509][T21380] block nbd5: shutting down sockets [ 1030.521191][T21384] nbd5: detected capacity change from 0 to 38 [ 1030.545362][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1030.547313][ T6576] Dev nbd5: unable to read RDB block 0 [ 1030.548900][ T6576] nbd5: unable to read partition table 00:17:10 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x2a0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1030.608227][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1030.615889][ T6576] Dev nbd5: unable to read RDB block 0 [ 1030.623308][ T6576] nbd5: unable to read partition table 00:17:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x9c0b, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1031.242398][T12014] block nbd3: Receive control failed (result -32) [ 1031.242398][ T5502] block nbd3: Receive control failed (result -32) [ 1031.244358][T21388] block nbd3: shutting down sockets 00:17:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) 00:17:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x20800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0xfffd, @broadcast}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf303000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_DO_IT(r0, 0xab03) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) r3 = socket(0x10, 0x803, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe3b2d25d59d13004) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:11 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x300}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xa00b, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xb803, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf401000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x33e}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc403, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1031.426756][T21426] nbd5: detected capacity change from 0 to 38 [ 1031.435369][T21428] nbd1: detected capacity change from 0 to 38 [ 1031.464573][T21418] block nbd3: shutting down sockets [ 1031.481954][T21438] block nbd5: shutting down sockets [ 1031.484268][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1031.490825][T21439] block nbd1: Unsupported socket: shutdown callout must be supported. [ 1031.498413][T21439] block nbd1: shutting down sockets [ 1031.500375][ T6576] Dev nbd5: unable to read RDB block 0 [ 1031.502152][ T6576] nbd5: unable to read partition table [ 1031.518251][T21428] ldm_validate_partition_table(): Disk read failed. 00:17:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) [ 1031.527718][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1031.529773][ T6576] Dev nbd5: unable to read RDB block 0 [ 1031.531468][ T6576] nbd5: unable to read partition table [ 1031.536721][T21428] Dev nbd1: unable to read RDB block 0 00:17:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x20800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0xfffd, @broadcast}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc407, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1031.572114][T21428] nbd1: unable to read partition table 00:17:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf403000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x365}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_DO_IT(r0, 0xab03) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) r3 = socket(0x10, 0x803, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe3b2d25d59d13004) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc803, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1031.714838][T21447] block nbd5: Device being setup by another task 00:17:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xf803000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:11 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3b8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1031.787648][T21447] nbd5: detected capacity change from 0 to 38 [ 1031.819820][T21462] nbd1: detected capacity change from 0 to 38 00:17:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc807, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1031.842181][T21443] block nbd5: shutting down sockets [ 1031.856857][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1031.867332][ T6576] Dev nbd5: unable to read RDB block 0 [ 1031.875626][T21465] block nbd1: Unsupported socket: shutdown callout must be supported. [ 1031.877750][ T6576] nbd5: unable to read partition table [ 1031.878379][T21465] block nbd1: shutting down sockets 00:17:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfc00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1031.908231][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1031.915292][ T6948] Dev nbd1: unable to read RDB block 0 00:17:11 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3c4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1031.928905][ T6948] nbd1: unable to read partition table [ 1031.938904][T21462] ldm_validate_partition_table(): Disk read failed. [ 1031.941414][T21462] Dev nbd1: unable to read RDB block 0 [ 1031.963118][T21462] nbd1: unable to read partition table [ 1031.971202][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1031.981583][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1031.989656][ T6948] Dev nbd1: unable to read RDB block 0 [ 1031.990202][ T6576] Dev nbd5: unable to read RDB block 0 [ 1031.992806][ T6576] nbd5: unable to read partition table [ 1031.996486][ T6948] nbd1: unable to read partition table [ 1032.455427][T12014] block nbd3: Receive control failed (result -32) [ 1032.455692][T21445] block nbd3: shutting down sockets 00:17:12 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3b8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x20800) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async, rerun: 64) socket$inet_sctp(0x2, 0x0, 0x84) (rerun: 64) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0xfffd, @broadcast}, 0x10) (async, rerun: 64) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (rerun: 64) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xd812, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfc03000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3c8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 64) ioctl$NBD_DO_IT(r2, 0xab03) (rerun: 64) 00:17:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xe412, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:12 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3d8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfe80ffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$LOOP_GET_STATUS64(r5, 0x4c05, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:12 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x14}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xe803, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:12 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3e8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xfec0ffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1032.836718][T21504] nbd5: detected capacity change from 0 to 38 00:17:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xe812, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:12 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x3a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1032.895251][T21509] block nbd5: shutting down sockets 00:17:12 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1032.937447][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1032.945482][ T6576] Dev nbd5: unable to read RDB block 0 [ 1032.950737][ T6576] nbd5: unable to read partition table [ 1032.965458][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1033.002521][ T6576] Dev nbd5: unable to read RDB block 0 [ 1033.007738][ T6576] nbd5: unable to read partition table [ 1033.349724][ T5976] block nbd3: Receive control failed (result -32) [ 1033.350024][T21484] block nbd3: shutting down sockets 00:17:13 executing program 3: syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xff00000000000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf003, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) r3 = socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$LOOP_GET_STATUS64(r5, 0x4c05, &(0x7f00000000c0)) (async) ioctl$LOOP_GET_STATUS64(r5, 0x4c05, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:13 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x11}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:13 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f1}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffff46200080ffff}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:13 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f2}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf103, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1033.555015][T21529] block nbd3: Device being setup by another task [ 1033.557114][T21524] block nbd5: Device being setup by another task [ 1033.587754][T21524] nbd5: detected capacity change from 0 to 38 00:17:13 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f1}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1033.617578][T21523] block nbd5: shutting down sockets [ 1033.624515][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1033.626641][ T6576] Dev nbd5: unable to read RDB block 0 [ 1033.628225][ T6576] nbd5: unable to read partition table [ 1033.656114][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffff80002046ffff}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1033.667696][ T6576] Dev nbd5: unable to read RDB block 0 [ 1033.677387][ T6576] nbd5: unable to read partition table 00:17:13 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f3}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1034.307760][ T5502] block nbd3: Receive control failed (result -32) [ 1034.308021][T21528] block nbd3: shutting down sockets 00:17:14 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SOCK(r4, 0xab00, r0) ioctl$NBD_DO_IT(r1, 0xab03) 00:17:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf203, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:14 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) ioctl$LOOP_GET_STATUS64(r5, 0x4c05, &(0x7f00000000c0)) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffffffff00000000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:14 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SOCK(r4, 0xab00, r0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) socket$inet(0x2, 0x4000000805, 0x0) (async) socket$inet_sctp(0x2, 0x5, 0x84) (async) dup3(r2, r3, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r0) (async) ioctl$NBD_DO_IT(r1, 0xab03) (async) 00:17:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf303, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1034.445101][T21556] block nbd5: Device being setup by another task 00:17:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0xffffffffc4653600}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1034.490003][T21548] block nbd5: shutting down sockets [ 1034.496903][T21569] nbd1: detected capacity change from 0 to 38 [ 1034.501432][T21556] nbd5: detected capacity change from 0 to 38 [ 1034.522879][ T1992] blk_print_req_error: 477 callbacks suppressed [ 1034.522895][ T1992] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.528173][ T1992] buffer_io_error: 477 callbacks suppressed [ 1034.528183][ T1992] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1034.534952][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.537498][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1034.539612][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.541824][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1034.543768][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.552290][T21572] block nbd1: shutting down sockets 00:17:14 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async, rerun: 32) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (rerun: 32) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x7a, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r0) ioctl$NBD_DO_IT(r1, 0xab03) [ 1034.563318][T21572] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.585128][T21572] Buffer I/O error on dev nbd1, logical block 0, async page read 00:17:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf401, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1034.599525][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read 00:17:14 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3fc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1034.621286][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.623802][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1034.627529][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.630053][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1034.632198][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.634817][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1034.637322][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1034.639781][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1034.642156][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:17:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf403, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1034.644568][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1034.650447][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1034.652332][T21569] ldm_validate_partition_table(): Disk read failed. [ 1034.662456][T21569] Dev nbd1: unable to read RDB block 0 [ 1034.675775][T21569] nbd1: unable to read partition table [ 1034.687973][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1034.704702][ T6948] Dev nbd1: unable to read RDB block 0 [ 1034.708603][ T6576] Dev nbd5: unable to read RDB block 0 [ 1034.710482][ T6576] nbd5: unable to read partition table [ 1034.713491][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1034.715590][ T6576] Dev nbd5: unable to read RDB block 0 [ 1034.717319][ T6576] nbd5: unable to read partition table 00:17:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r3, @ANYRES32=r2, @ANYBLOB="000000002e2f66696c4530006aa62de51159400d42e79407fa0b002cfcda64d233c9a624cbb44828e2d2868664"]) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xb78f) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SIZE_BLOCKS(r7, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1034.733239][ T6948] nbd1: unable to read partition table [ 1034.749097][T21587] ldm_validate_partition_table(): Disk read failed. [ 1034.751062][T21587] Dev nbd5: unable to read RDB block 0 [ 1034.752732][T21587] nbd5: unable to read partition table 00:17:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xaa801) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x12000) ioctl$NBD_DO_IT(r2, 0xab03) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) [ 1034.801383][T21587] block nbd5: Device being setup by another task [ 1034.814262][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1034.834043][T21587] ldm_validate_partition_table(): Disk read failed. [ 1034.836115][T21587] Dev nbd5: unable to read RDB block 0 [ 1034.837718][T21587] nbd5: unable to read partition table [ 1034.849742][ T6948] Dev nbd1: unable to read RDB block 0 [ 1034.856056][ T6948] nbd1: unable to read partition table 00:17:14 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x33}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x410}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf803, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1034.885057][T21587] block nbd5: Device being setup by another task [ 1034.891892][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1034.893733][ T6576] Dev nbd5: unable to read RDB block 0 [ 1034.915026][ T6576] nbd5: unable to read partition table 00:17:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x2}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1034.924961][T21595] block nbd3: Device being setup by another task [ 1034.947337][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1034.952112][ T6576] Dev nbd5: unable to read RDB block 0 [ 1034.965227][ T6576] nbd5: unable to read partition table 00:17:14 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x500}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf812, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r3, @ANYRES32=r2, @ANYBLOB="000000002e2f66696c4530006aa62de51159400d42e79407fa0b002cfcda64d233c9a624cbb44828e2d2868664"]) (async) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xb78f) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_SET_SIZE_BLOCKS(r7, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0xa}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x600}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xfc00, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1035.224898][T21613] block nbd5: Device being setup by another task [ 1035.227662][T21614] block nbd5: shutting down sockets [ 1035.658154][ T5502] block nbd3: Receive control failed (result -32) [ 1035.660333][T21593] block nbd3: shutting down sockets 00:17:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xaa801) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x12000) ioctl$NBD_DO_IT(r2, 0xab03) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_DO_IT(r5, 0xab03) 00:17:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r3, @ANYRES32=r2, @ANYBLOB="000000002e2f66696c4530006aa62de51159400d42e79407fa0b002cfcda64d233c9a624cbb44828e2d2868664"]) (async) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xb78f) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x7a, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b005) (async, rerun: 64) ioctl$NBD_SET_SIZE_BLOCKS(r7, 0xab07, 0x13) (rerun: 64) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x700}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xfc03, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0xa}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1035.773420][T21634] block nbd5: Device being setup by another task [ 1035.780171][T21628] block nbd5: shutting down sockets [ 1035.782202][T21637] block nbd3: shutting down sockets 00:17:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x5}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x780}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_RESEND_IGMP={0x8}, @IFLA_BOND_XMIT_HASH_POLICY={0x5}]}}}]}, 0x44}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xff00, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xaa801) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x12000) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) ioctl$NBD_DO_IT(r5, 0xab03) 00:17:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x700}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1035.935085][T21646] block nbd3: Device being setup by another task [ 1035.941312][T21646] block nbd3: shutting down sockets 00:17:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x80) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'veth0_vlan\x00'}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) fallocate(r3, 0x65, 0x4e94, 0x100000001) 00:17:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1036.041512][T21666] nbd5: detected capacity change from 0 to 38 00:17:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x10740, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:16 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x78c}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1036.095592][T21672] block nbd5: shutting down sockets 00:17:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x7}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1036.135240][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.137262][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.138954][ T6576] nbd5: unable to read partition table [ 1036.142143][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.144166][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.165101][ T6576] nbd5: unable to read partition table [ 1036.176120][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.179319][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.182239][ T6576] nbd5: unable to read partition table [ 1036.190055][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.194400][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.197540][ T6576] nbd5: unable to read partition table 00:17:16 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x790}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback={0x3000000000000000}}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_RESEND_IGMP={0x8}, @IFLA_BOND_XMIT_HASH_POLICY={0x5}]}}}]}, 0x44}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socket$nl_route(0x10, 0x3, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_RESEND_IGMP={0x8}, @IFLA_BOND_XMIT_HASH_POLICY={0x5}]}}}]}, 0x44}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) 00:17:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x10af8, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x2d}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1036.437418][T21693] nbd5: detected capacity change from 0 to 38 [ 1036.490926][T21696] block nbd5: shutting down sockets [ 1036.496892][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.508359][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.530394][ T6576] nbd5: unable to read partition table [ 1036.533170][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1036.535101][ T6576] Dev nbd5: unable to read RDB block 0 [ 1036.536694][ T6576] nbd5: unable to read partition table [ 1036.540005][T21696] ldm_validate_partition_table(): Disk read failed. [ 1036.542111][T21696] Dev nbd5: unable to read RDB block 0 [ 1036.543930][T21696] nbd5: unable to read partition table [ 1036.833138][T12014] block nbd3: Receive control failed (result -32) [ 1036.833138][ T5502] block nbd3: Receive control failed (result -32) [ 1036.834804][T21664] block nbd3: shutting down sockets 00:17:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x80) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'veth0_vlan\x00'}) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) fallocate(r3, 0x65, 0x4e94, 0x100000001) 00:17:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x10eb0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa14}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x2a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async, rerun: 32) r1 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 32) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_RESEND_IGMP={0x8}, @IFLA_BOND_XMIT_HASH_POLICY={0x5}]}}}]}, 0x44}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async, rerun: 32) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async, rerun: 32) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async, rerun: 32) ioctl$NBD_DO_IT(r0, 0xab03) (async, rerun: 32) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x11268, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:16 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa34}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1036.997517][T21719] block nbd5: shutting down sockets [ 1037.005510][T21715] block nbd3: Device being setup by another task 00:17:16 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x27}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x11620, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0xc8201, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0xcf25) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r4, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$PPPIOCGMRU(r4, 0x80047453, &(0x7f00000000c0)) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1037.095046][T21717] block nbd3: shutting down sockets 00:17:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x80) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'veth0_vlan\x00'}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) fallocate(r3, 0x65, 0x4e94, 0x100000001) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x80) (async) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'veth0_vlan\x00'}) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) fallocate(r3, 0x65, 0x4e94, 0x100000001) (async) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x151a0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:17 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1000000000000}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xd}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb48}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x15558, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1037.280429][T21746] nbd5: detected capacity change from 0 to 38 [ 1037.335401][T21756] block nbd5: shutting down sockets [ 1037.358728][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1037.360787][T21745] block nbd3: shutting down sockets 00:17:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1037.378082][ T6948] Dev nbd5: unable to read RDB block 0 [ 1037.385154][ T6948] nbd5: unable to read partition table 00:17:17 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback={0x800000000000000}}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1037.436739][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:17 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb54}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1037.450394][ T6576] Dev nbd5: unable to read RDB block 0 00:17:17 executing program 3: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0xfff, 0x2) fcntl$notify(r0, 0x402, 0x80000002) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) ioctl$I2C_RDWR(r3, 0x707, &(0x7f00000000c0)) r5 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$inet_sctp(0x2, 0x1, 0x84) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000140)=[@in6={0xa, 0x4e24, 0x7, @dev={0xfe, 0x80, '\x00', 0x22}, 0x7}, @in6={0xa, 0x4e23, 0x4, @private2, 0x7}, @in6={0xa, 0x4e20, 0x1, @private0={0xfc, 0x0, '\x00', 0x1}, 0x80000000}, @in6={0xa, 0x4e24, 0x5, @loopback, 0x8}, @in6={0xa, 0x4e23, 0x1, @dev={0xfe, 0x80, '\x00', 0x42}, 0x10b}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x36}}, @in6={0xa, 0x4e24, 0x2, @rand_addr=' \x01\x00', 0xa6b}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x20}}, @in6={0xa, 0x4e24, 0x8001, @empty, 0x1}], 0xe4) ioctl$NBD_DO_IT(r7, 0xab03) [ 1037.471219][ T6576] nbd5: unable to read partition table 00:17:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0xc8201, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0xcf25) (async) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r4, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$PPPIOCGMRU(r4, 0x80047453, &(0x7f00000000c0)) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x15910, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1037.525126][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1037.527149][ T6576] Dev nbd5: unable to read RDB block 0 [ 1037.528704][ T6576] nbd5: unable to read partition table [ 1037.530743][T21770] ldm_validate_partition_table(): Disk read failed. [ 1037.532937][T21770] Dev nbd5: unable to read RDB block 0 [ 1037.540906][T21770] nbd5: unable to read partition table 00:17:17 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x15558, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1037.586374][T21770] ldm_validate_partition_table(): Disk read failed. [ 1037.588382][T21770] Dev nbd5: unable to read RDB block 0 [ 1037.590162][T21770] nbd5: unable to read partition table 00:17:17 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb58}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0xc8201, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0xcf25) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) sendmsg$IPSET_CMD_LIST(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r4, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$PPPIOCGMRU(r4, 0x80047453, &(0x7f00000000c0)) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x15cc8, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:17 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x1a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb68}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x16080, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1037.857690][T21786] nbd5: detected capacity change from 0 to 38 [ 1037.861937][T21785] block nbd5: shutting down sockets [ 1037.889945][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x10}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1037.904406][ T6576] Dev nbd5: unable to read RDB block 0 [ 1037.908769][ T6576] nbd5: unable to read partition table [ 1037.945412][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1037.947644][ T6576] Dev nbd5: unable to read RDB block 0 [ 1037.958486][ T6576] nbd5: unable to read partition table [ 1038.318964][ T5976] block nbd3: Receive control failed (result -32) [ 1038.319004][ T5978] block nbd3: Receive control failed (result -32) [ 1038.322017][T21766] block nbd3: shutting down sockets 00:17:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x1ff}}, './file0\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) r4 = socket$inet(0x2, 0x4000000805, 0x0) r5 = socket$inet_sctp(0x2, 0x5, 0x84) r6 = dup3(r4, r5, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r5, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x7a, &(0x7f000059aff8)={r7}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x13) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) close(r5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r8 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x212000, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r8, 0x84, 0x73, &(0x7f0000000100)={r7, 0x8001, 0x10, 0x2, 0x2}, &(0x7f0000000140)=0x18) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x9) 00:17:18 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xba0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x11}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x16438, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:18 executing program 3: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0xfff, 0x2) fcntl$notify(r0, 0x402, 0x80000002) (async) fcntl$notify(r0, 0x402, 0x80000002) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) ioctl$I2C_RDWR(r3, 0x707, &(0x7f00000000c0)) r5 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$inet_sctp(0x2, 0x1, 0x84) (async) socket$inet_sctp(0x2, 0x1, 0x84) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000140)=[@in6={0xa, 0x4e24, 0x7, @dev={0xfe, 0x80, '\x00', 0x22}, 0x7}, @in6={0xa, 0x4e23, 0x4, @private2, 0x7}, @in6={0xa, 0x4e20, 0x1, @private0={0xfc, 0x0, '\x00', 0x1}, 0x80000000}, @in6={0xa, 0x4e24, 0x5, @loopback, 0x8}, @in6={0xa, 0x4e23, 0x1, @dev={0xfe, 0x80, '\x00', 0x42}, 0x10b}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x36}}, @in6={0xa, 0x4e24, 0x2, @rand_addr=' \x01\x00', 0xa6b}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x20}}, @in6={0xa, 0x4e24, 0x8001, @empty, 0x1}], 0xe4) ioctl$NBD_DO_IT(r7, 0xab03) (async) ioctl$NBD_DO_IT(r7, 0xab03) 00:17:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x30}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:18 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x167f0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1038.488312][T21812] block nbd3: Device being setup by another task [ 1038.491272][T21817] nbd5: detected capacity change from 0 to 38 [ 1038.527301][T21821] nbd1: detected capacity change from 0 to 38 [ 1038.531810][T21821] nbd1: detected capacity change from 38 to 2 [ 1038.553353][T21823] block nbd5: shutting down sockets 00:17:18 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xd00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1038.572644][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1038.573015][T21806] nbd5: detected capacity change from 38 to 18 [ 1038.574573][ T5981] Dev nbd5: unable to read RDB block 0 [ 1038.582039][ T5981] nbd5: unable to read partition table [ 1038.587402][ T5981] nbd5: partition table beyond EOD, truncated 00:17:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x44}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1038.600006][ T5981] ldm_validate_partition_table(): Disk read failed. [ 1038.607799][T21827] block nbd1: shutting down sockets [ 1038.615750][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1038.617414][ T5981] Dev nbd5: unable to read RDB block 0 [ 1038.618221][ T6576] Dev nbd1: unable to read RDB block 0 [ 1038.620752][ T6576] nbd1: unable to read partition table [ 1038.626641][ T5981] nbd5: unable to read partition table [ 1038.626928][ T6576] nbd1: partition table beyond EOD, truncated [ 1038.639730][ T5981] nbd5: partition table beyond EOD, truncated [ 1038.646703][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1038.649430][ T6576] Dev nbd1: unable to read RDB block 0 00:17:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x16ba8, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1038.692719][ T6576] nbd1: unable to read partition table [ 1038.695579][ T6576] nbd1: partition table beyond EOD, truncated [ 1038.700520][T21821] ldm_validate_partition_table(): Disk read failed. [ 1038.703935][T21821] Dev nbd1: unable to read RDB block 0 [ 1038.716829][T21821] nbd1: unable to read partition table [ 1038.720862][T21821] nbd1: partition table beyond EOD, truncated [ 1038.737379][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1038.740817][ T6576] Dev nbd1: unable to read RDB block 0 [ 1038.743227][ T6576] nbd1: unable to read partition table [ 1038.753350][ T6576] nbd1: partition table beyond EOD, truncated [ 1038.756751][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1038.759050][ T6576] Dev nbd1: unable to read RDB block 0 [ 1038.761386][ T6576] nbd1: unable to read partition table [ 1038.763735][ T6576] nbd1: partition table beyond EOD, truncated 00:17:18 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0xffffc0fe, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x13) r3 = socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) close(r5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r8 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x212000, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r8, 0x84, 0x73, &(0x7f0000000100)={r7, 0x8001, 0x10, 0x2, 0x2}, &(0x7f0000000140)=0x18) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x9) 00:17:18 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1038.885210][T21839] block nbd5: Device being setup by another task [ 1038.966832][T21839] nbd5: detected capacity change from 0 to 38 [ 1039.021270][T21839] block nbd5: shutting down sockets [ 1039.045550][T21838] nbd5: detected capacity change from 38 to 18 [ 1039.046081][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1039.049487][ T6576] Dev nbd5: unable to read RDB block 0 [ 1039.051233][ T6576] nbd5: unable to read partition table [ 1039.052756][ T6576] nbd5: partition table beyond EOD, truncated [ 1039.056547][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1039.058403][ T6576] Dev nbd5: unable to read RDB block 0 [ 1039.059920][ T6576] nbd5: unable to read partition table [ 1039.061502][ T6576] nbd5: partition table beyond EOD, truncated [ 1039.221522][ T48] block nbd3: Receive control failed (result -32) [ 1039.221525][ T5969] block nbd3: Receive control failed (result -32) [ 1039.222435][T21812] block nbd3: shutting down sockets 00:17:19 executing program 3: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0xfff, 0x2) fcntl$notify(r0, 0x402, 0x80000002) (async) r1 = socket$inet(0x2, 0x4000000805, 0x0) (async) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b005) (async) ioctl$I2C_RDWR(r3, 0x707, &(0x7f00000000c0)) (async) r5 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$inet_sctp(0x2, 0x1, 0x84) (async) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000140)=[@in6={0xa, 0x4e24, 0x7, @dev={0xfe, 0x80, '\x00', 0x22}, 0x7}, @in6={0xa, 0x4e23, 0x4, @private2, 0x7}, @in6={0xa, 0x4e20, 0x1, @private0={0xfc, 0x0, '\x00', 0x1}, 0x80000000}, @in6={0xa, 0x4e24, 0x5, @loopback, 0x8}, @in6={0xa, 0x4e23, 0x1, @dev={0xfe, 0x80, '\x00', 0x42}, 0x10b}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x36}}, @in6={0xa, 0x4e24, 0x2, @rand_addr=' \x01\x00', 0xa6b}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x20}}, @in6={0xa, 0x4e24, 0x8001, @empty, 0x1}], 0xe4) ioctl$NBD_DO_IT(r7, 0xab03) 00:17:19 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x48}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x16f60, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x13) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = dup3(r3, r4, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) close(r5) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) r8 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x212000, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r8, 0x84, 0x73, &(0x7f0000000100)={r7, 0x8001, 0x10, 0x2, 0x2}, &(0x7f0000000140)=0x18) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x9) 00:17:19 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x480, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) [ 1039.344747][T21855] block nbd5: Device being setup by another task 00:17:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xae}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x17318, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) fsync(r0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x40000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:19 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf10}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1039.388861][T21853] block nbd5: shutting down sockets [ 1039.419874][T21854] nbd5: detected capacity change from 0 to 38 00:17:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xfc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf1c}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x176d0, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x110}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1039.577677][T21883] nbd1: detected capacity change from 0 to 38 [ 1039.617473][T21886] nbd5: detected capacity change from 0 to 38 00:17:19 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf20}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x17a88, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1039.672078][T21891] block nbd5: shutting down sockets [ 1039.686816][T21891] blk_print_req_error: 543 callbacks suppressed [ 1039.686831][T21891] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.687964][T21892] block nbd1: shutting down sockets [ 1039.688664][T21891] buffer_io_error: 543 callbacks suppressed [ 1039.688676][T21891] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1039.721735][ T6948] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.724213][T21892] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.727092][ T6948] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1039.729295][ T6948] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.731691][T21892] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.737180][ T6948] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1039.742896][T21892] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 [ 1039.750429][ T6948] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.754453][ T52] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.757196][ T52] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.759910][ T1992] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.762339][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.764596][ T1992] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.767149][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.769482][ T1992] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1039.772009][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.775305][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.777528][ T1992] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1039.779763][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1039.789384][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1039.790000][ T6576] Dev nbd1: unable to read RDB block 0 [ 1039.791373][ T6948] Dev nbd5: unable to read RDB block 0 [ 1039.794297][ T6948] nbd5: unable to read partition table [ 1039.795398][ T6576] nbd1: unable to read partition table [ 1039.803797][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1039.807252][ T6576] Dev nbd1: unable to read RDB block 0 [ 1039.809176][ T6576] nbd1: unable to read partition table [ 1039.812113][T21888] ldm_validate_partition_table(): Disk read failed. [ 1039.814462][T21888] Dev nbd1: unable to read RDB block 0 [ 1039.822110][T21888] nbd1: unable to read partition table [ 1039.824220][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1039.854992][ T6948] Dev nbd5: unable to read RDB block 0 [ 1039.856778][ T6948] nbd5: unable to read partition table [ 1040.233321][ T48] block nbd3: Receive control failed (result -32) [ 1040.233330][ T5969] block nbd3: Receive control failed (result -32) [ 1040.238030][T21867] block nbd3: shutting down sockets 00:17:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x480, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, &(0x7f00000000c0)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) 00:17:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x16a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x17e40, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:20 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf30}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) fsync(r0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x40000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x181f8, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1040.406889][T21906] block nbd5: Device being setup by another task [ 1040.413520][T21906] block nbd5: shutting down sockets 00:17:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x197}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1040.425232][T21909] block nbd3: Device being setup by another task [ 1040.427371][T21914] block nbd1: Device being setup by another task 00:17:20 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf54}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1040.504062][T21914] nbd1: detected capacity change from 0 to 38 00:17:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x185b0, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1040.584938][T21923] block nbd5: Device being setup by another task [ 1040.593960][T21923] block nbd5: shutting down sockets [ 1040.622439][T21932] block nbd1: shutting down sockets [ 1040.625574][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1040.639071][ T6948] Dev nbd1: unable to read RDB block 0 00:17:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1c6}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1040.653206][ T6948] nbd1: unable to read partition table [ 1040.664890][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1040.667118][ T6948] Dev nbd1: unable to read RDB block 0 [ 1040.673430][ T6948] nbd1: unable to read partition table [ 1040.679447][T21929] ldm_validate_partition_table(): Disk read failed. [ 1040.681720][T21929] Dev nbd1: unable to read RDB block 0 [ 1040.683598][T21929] nbd1: unable to read partition table [ 1040.697017][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1040.699165][ T6576] Dev nbd1: unable to read RDB block 0 [ 1040.718909][ T6576] nbd1: unable to read partition table [ 1040.736043][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1040.742805][ T6576] Dev nbd1: unable to read RDB block 0 [ 1040.746928][ T6576] nbd1: unable to read partition table [ 1041.144303][ T48] block nbd3: Receive control failed (result -32) [ 1041.144772][T21913] block nbd3: shutting down sockets 00:17:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 64) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x480, 0x0) (rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 64) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) 00:17:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r2, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000000)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf68}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x18968, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) fsync(r0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x40000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1ce}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1f4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x80000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xff0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.305821][T21954] nbd5: detected capacity change from 0 to 38 [ 1041.336897][T21956] nbd1: detected capacity change from 0 to 38 [ 1041.360365][T21958] block nbd5: shutting down sockets [ 1041.367268][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1041.369309][ T6576] Dev nbd5: unable to read RDB block 0 [ 1041.370943][ T6576] nbd5: unable to read partition table [ 1041.375471][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x300000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r1, {0x2}}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = accept4(r2, 0x0, &(0x7f0000000000), 0x80000) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r5, 0xab03) [ 1041.401928][ T6576] Dev nbd5: unable to read RDB block 0 [ 1041.407287][ T6576] nbd5: unable to read partition table 00:17:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x2a0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.444105][T21965] block nbd1: shutting down sockets [ 1041.475133][ T6948] ldm_validate_partition_table(): Disk read failed. 00:17:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r2, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000000)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socket(0x10, 0x803, 0x0) (async) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r2, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000000)=0x14) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) [ 1041.487448][ T6948] Dev nbd1: unable to read RDB block 0 00:17:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1001}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.497202][ T6948] nbd1: unable to read partition table [ 1041.503571][T21960] ldm_validate_partition_table(): Disk read failed. [ 1041.506862][T21960] Dev nbd1: unable to read RDB block 0 [ 1041.512044][T21960] nbd1: unable to read partition table [ 1041.516408][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1041.528948][ T6948] Dev nbd1: unable to read RDB block 0 [ 1041.534271][ T6948] nbd1: unable to read partition table 00:17:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x400000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1004}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x300}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.635003][T21977] block nbd5: Device being setup by another task [ 1041.689233][T21977] nbd5: detected capacity change from 0 to 38 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1041.736762][T21986] nbd1: detected capacity change from 0 to 38 [ 1041.743148][T21987] block nbd5: shutting down sockets [ 1041.764353][ T5967] ldm_validate_partition_table(): Disk read failed. 00:17:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x100f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.785092][ T5967] Dev nbd5: unable to read RDB block 0 [ 1041.790952][T22000] block nbd1: shutting down sockets [ 1041.799863][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1041.811428][ T6576] Dev nbd1: unable to read RDB block 0 [ 1041.817707][ T5967] nbd5: unable to read partition table [ 1041.823818][ T6576] nbd1: unable to read partition table 00:17:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x33e}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1041.834578][T21972] ldm_validate_partition_table(): Disk read failed. [ 1041.837056][T21972] Dev nbd5: unable to read RDB block 0 [ 1041.838759][T21972] nbd5: unable to read partition table 00:17:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1100000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1041.867125][ T5967] ldm_validate_partition_table(): Disk read failed. [ 1041.880164][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1041.888865][ T5967] Dev nbd5: unable to read RDB block 0 [ 1041.899193][ T6576] Dev nbd1: unable to read RDB block 0 [ 1041.904581][ T5967] nbd5: unable to read partition table [ 1041.911337][ T6576] nbd1: unable to read partition table [ 1042.253143][T12014] block nbd3: Receive control failed (result -32) [ 1042.253143][ T5502] block nbd3: Receive control failed (result -32) [ 1042.257718][T21963] block nbd3: shutting down sockets 00:17:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r1, {0x2}}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = accept4(r2, 0x0, &(0x7f0000000000), 0x80000) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r5, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r1, {0x2}}, './file0\x00'}) (async) openat$cgroup_ro(r3, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) accept4(r2, 0x0, &(0x7f0000000000), 0x80000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r5, 0xab03) (async) 00:17:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r2, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000000)=0x14) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1100}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x365}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x2000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1042.319108][T22015] block nbd5: shutting down sockets 00:17:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x3000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3b8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x116a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1042.417288][T22023] block nbd5: Unsupported socket: shutdown callout must be supported. [ 1042.436817][T22039] nbd1: detected capacity change from 0 to 38 [ 1042.439856][T22039] block nbd1: shutting down sockets [ 1042.445674][T22019] block nbd3: shutting down sockets [ 1042.471949][T22041] nbd5: detected capacity change from 0 to 38 [ 1042.472635][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1042.477642][ T6576] Dev nbd1: unable to read RDB block 0 [ 1042.483963][ T6576] nbd1: unable to read partition table [ 1042.499384][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1042.509175][ T6576] Dev nbd1: unable to read RDB block 0 00:17:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x4000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1042.515878][ T6576] nbd1: unable to read partition table [ 1042.527060][T22045] block nbd5: shutting down sockets [ 1042.528265][T22044] ldm_validate_partition_table(): Disk read failed. [ 1042.536238][T22044] Dev nbd1: unable to read RDB block 0 [ 1042.545449][T22044] nbd1: unable to read partition table 00:17:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r1, {0x2}}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = accept4(r2, 0x0, &(0x7f0000000000), 0x80000) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r5, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r1, {0x2}}, './file0\x00'}) (async) openat$cgroup_ro(r3, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) accept4(r2, 0x0, &(0x7f0000000000), 0x80000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r5, 0xab03) (async) 00:17:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3c4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1042.562377][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1042.564352][ T6948] Dev nbd5: unable to read RDB block 0 [ 1042.576939][T22044] ldm_validate_partition_table(): Disk read failed. [ 1042.580395][T22044] Dev nbd1: unable to read RDB block 0 [ 1042.581736][ T6948] nbd5: unable to read partition table 00:17:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x140a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1042.590478][T22044] nbd1: unable to read partition table [ 1042.612703][ T6948] ldm_validate_partition_table(): Disk read failed. 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x5000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1042.635470][ T6948] Dev nbd5: unable to read RDB block 0 00:17:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1042.665794][ T6948] nbd5: unable to read partition table 00:17:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async, rerun: 32) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (rerun: 32) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1042.716401][T22049] block nbd3: shutting down sockets [ 1042.735516][T22061] block nbd3: Device being setup by another task [ 1042.759373][T22063] block nbd5: shutting down sockets 00:17:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1c0f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) r7 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r7, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r7, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x6000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3c8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1042.858840][T22058] nbd1: detected capacity change from 0 to 38 [ 1042.861155][T22058] block nbd1: shutting down sockets 00:17:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x7000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1042.936740][T22080] block nbd5: Unsupported socket: shutdown callout must be supported. [ 1042.939703][T22081] block nbd5: shutting down sockets 00:17:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3d8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x8000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:23 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x2000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3e8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xa000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1043.131047][T22097] block nbd1: shutting down sockets [ 1043.156837][T22099] nbd5: detected capacity change from 0 to 38 [ 1043.212899][T22103] block nbd5: shutting down sockets [ 1043.245716][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1043.247777][ T6948] Dev nbd5: unable to read RDB block 0 [ 1043.249479][ T6948] nbd5: unable to read partition table [ 1043.258717][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1043.263298][ T6576] Dev nbd5: unable to read RDB block 0 [ 1043.275551][ T6576] nbd5: unable to read partition table [ 1043.285551][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1043.287614][ T6576] Dev nbd5: unable to read RDB block 0 [ 1043.289309][ T6576] nbd5: unable to read partition table [ 1043.627153][ T5502] block nbd3: Receive control failed (result -32) [ 1043.627159][ T5978] block nbd3: Receive control failed (result -32) [ 1043.629497][T22070] block nbd3: shutting down sockets 00:17:23 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x200f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) (async) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async, rerun: 64) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async, rerun: 64) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) r7 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r7, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r7, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async, rerun: 32) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) (async, rerun: 32) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xc000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f1}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xe000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:23 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1043.785220][T22118] block nbd3: Device being setup by another task [ 1043.792664][T22118] block nbd3: shutting down sockets [ 1043.802155][T22120] block nbd5: shutting down sockets [ 1043.805091][T22121] nbd5: detected capacity change from 0 to 38 00:17:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = socket$inet(0x2, 0x4000000805, 0x0) (async) r4 = socket$inet_sctp(0x2, 0x5, 0x84) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) (async) r5 = dup3(r3, r4, 0x0) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async) r7 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r7, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r7, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) (async) ioctl$NBD_DO_IT(r2, 0xab03) [ 1043.819638][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1043.826210][ T6576] Dev nbd5: unable to read RDB block 0 [ 1043.832565][ T6576] nbd5: unable to read partition table [ 1043.836776][T22130] block nbd1: shutting down sockets 00:17:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async, rerun: 32) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (rerun: 32) 00:17:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1043.885791][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f2}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1043.897031][ T6576] Dev nbd5: unable to read RDB block 0 [ 1043.909726][ T6576] nbd5: unable to read partition table [ 1043.914317][T22141] ldm_validate_partition_table(): Disk read failed. 00:17:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0xf000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:23 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x300f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1043.929901][T22141] Dev nbd5: unable to read RDB block 0 [ 1043.931644][T22141] nbd5: unable to read partition table [ 1043.954888][T22135] block nbd3: Device being setup by another task [ 1043.959876][T22135] block nbd3: shutting down sockets [ 1043.986675][T22148] block nbd1: shutting down sockets 00:17:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @ipv4={'\x00', '\xff\xff', @loopback}, @private1, 0x0, 0x1, 0x5881, 0x0, 0x3ff, 0x8113010a}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1044.017188][T22141] block nbd5: Device being setup by another task 00:17:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x10000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1044.045379][T22141] block nbd5: Device being setup by another task [ 1044.047618][T22146] ldm_validate_partition_table(): Disk read failed. [ 1044.049736][T22146] Dev nbd5: unable to read RDB block 0 00:17:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f3}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1044.054332][T22146] nbd5: unable to read partition table [ 1044.081227][ T52] block nbd1: Attempted send on invalid socket [ 1044.083483][T22154] block nbd1: shutting down sockets 00:17:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) getsockopt$IP_SET_OP_GET_FNAME(r2, 0x1, 0x53, &(0x7f0000000000)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f00000000c0)=0x2c) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:24 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x340a}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x100f0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1044.191277][T22160] block nbd5: server does not support multiple connections per device. [ 1044.245929][T22169] block nbd5: shutting down sockets [ 1044.265392][ T52] block nbd1: Attempted send on invalid socket [ 1044.267670][T22164] block nbd1: shutting down sockets 00:17:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f4}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:24 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3e03}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3f8}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1044.466802][T22182] block nbd1: shutting down sockets [ 1044.876794][ T5502] block nbd3: Receive control failed (result -32) [ 1044.877046][T22153] block nbd3: shutting down sockets 00:17:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x10590100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @ipv4={'\x00', '\xff\xff', @loopback}, @private1, 0x0, 0x1, 0x5881, 0x0, 0x3ff, 0x8113010a}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @ipv4={'\x00', '\xff\xff', @loopback}, @private1, 0x0, 0x1, 0x5881, 0x0, 0x3ff, 0x8113010a}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) 00:17:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) getsockopt$IP_SET_OP_GET_FNAME(r2, 0x1, 0x53, &(0x7f0000000000)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f00000000c0)=0x2c) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) getsockopt$IP_SET_OP_GET_FNAME(r2, 0x1, 0x53, &(0x7f0000000000)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f00000000c0)=0x2c) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) 00:17:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:24 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x4000}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x3fc}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1044.925282][ T1992] block nbd1: Attempted send on invalid socket [ 1044.927068][ T1992] blk_print_req_error: 593 callbacks suppressed [ 1044.927077][ T1992] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 00:17:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x410}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x11000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1045.005836][T22192] block nbd5: server does not support multiple connections per device. [ 1045.023724][ T52] block nbd1: Attempted send on invalid socket [ 1045.025929][ T52] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 00:17:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x500}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:25 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x4400}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1045.061994][T22205] block nbd5: shutting down sockets [ 1045.075412][T22194] block nbd3: shutting down sockets 00:17:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1045.098438][T22202] block nbd3: Device being setup by another task 00:17:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @ipv4={'\x00', '\xff\xff', @loopback}, @private1, 0x0, 0x1, 0x5881, 0x0, 0x3ff, 0x8113010a}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async, rerun: 64) socket$inet_sctp(0x2, 0x0, 0x84) (async, rerun: 64) getsockopt$IP_SET_OP_GET_FNAME(r2, 0x1, 0x53, &(0x7f0000000000)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f00000000c0)=0x2c) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x14000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1045.214635][ T52] block nbd1: Attempted send on invalid socket [ 1045.216594][ T52] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 00:17:25 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x4800}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x600}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1045.308031][ T52] block nbd1: Attempted send on invalid socket [ 1045.309844][ T52] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 00:17:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x18730100, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1045.365397][T22231] block nbd3: Device being setup by another task 00:17:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SIZE(r4, 0xab02, 0xd4c2a05) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140), 0x4000, 0x0) r6 = openat$incfs(r5, &(0x7f0000000180)='.pending_reads\x00', 0x480000, 0x100) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SOCK(r9, 0xab00, r1) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) sendmsg$NL80211_CMD_STOP_P2P_DEVICE(r6, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd27, 0x25dfdbfb, {{}, {@void, @val={0xc, 0x99, {0x1, 0x43}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x2000c880}, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:25 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x480b}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1045.413518][ T1992] block nbd1: Attempted send on invalid socket [ 1045.415346][ T1992] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 00:17:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x700}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1045.474276][ T1992] block nbd1: Attempted send on invalid socket [ 1045.476451][ T1992] I/O error, dev nbd1, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 [ 1045.604767][T22248] nbd5: detected capacity change from 0 to 38 [ 1045.649890][T22248] block nbd5: shutting down sockets [ 1045.652690][T22248] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1045.655580][T22248] buffer_io_error: 583 callbacks suppressed [ 1045.655591][T22248] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.659245][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1045.661659][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.663615][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1045.666124][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.668176][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1045.670479][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.672474][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.674533][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.677745][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.679859][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.681799][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1045.683563][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.687735][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1045.689925][ T6576] Dev nbd5: unable to read RDB block 0 [ 1045.691936][ T6576] nbd5: unable to read partition table [ 1045.695227][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1045.697393][ T6576] Dev nbd5: unable to read RDB block 0 [ 1045.712254][ T6576] nbd5: unable to read partition table [ 1046.068744][T12014] block nbd3: Receive control failed (result -32) [ 1046.070205][T22233] block nbd3: shutting down sockets 00:17:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = socket$tipc(0x1e, 0x5, 0x0) getsockopt$sock_int(r3, 0x1, 0x26, 0x0, &(0x7f0000000040)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1c0f0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x540b}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x780}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SIZE(r4, 0xab02, 0xd4c2a05) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140), 0x4000, 0x0) r6 = openat$incfs(r5, &(0x7f0000000180)='.pending_reads\x00', 0x480000, 0x100) (async, rerun: 64) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) (async, rerun: 64) socket$inet_sctp(0x2, 0x0, 0x84) (async) r7 = socket$inet(0x2, 0x4000000805, 0x0) (async, rerun: 32) r8 = socket$inet_sctp(0x2, 0x5, 0x84) (rerun: 32) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async, rerun: 32) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async, rerun: 32) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SOCK(r9, 0xab00, r1) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async, rerun: 64) sendmsg$NL80211_CMD_STOP_P2P_DEVICE(r6, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd27, 0x25dfdbfb, {{}, {@void, @val={0xc, 0x99, {0x1, 0x43}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x2000c880}, 0x0) (async, rerun: 64) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x540f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.158060][ T52] block nbd1: Attempted send on invalid socket [ 1046.159955][T22265] block nbd1: shutting down sockets [ 1046.169094][T22272] nbd5: detected capacity change from 0 to 38 00:17:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x78c}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.184737][T22264] block nbd5: shutting down sockets [ 1046.185575][T22269] block nbd3: shutting down sockets 00:17:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1046.196124][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1046.198211][ T6576] Dev nbd5: unable to read RDB block 0 [ 1046.199813][ T6576] nbd5: unable to read partition table [ 1046.204335][ T6576] ldm_validate_partition_table(): Disk read failed. 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x1c130000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1046.262339][ T6576] Dev nbd5: unable to read RDB block 0 [ 1046.266749][ T6576] nbd5: unable to read partition table 00:17:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SIZE(r4, 0xab02, 0xd4c2a05) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140), 0x4000, 0x0) r6 = openat$incfs(r5, &(0x7f0000000180)='.pending_reads\x00', 0x480000, 0x100) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) socket$inet_sctp(0x2, 0x0, 0x84) socket$inet(0x2, 0x4000000805, 0x0) (async) r7 = socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) (async) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) (async) r9 = dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x7a, &(0x7f000059aff8)={r10}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_SET_SOCK(r9, 0xab00, r1) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) sendmsg$NL80211_CMD_STOP_P2P_DEVICE(r6, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd27, 0x25dfdbfb, {{}, {@void, @val={0xc, 0x99, {0x1, 0x43}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x2000c880}, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x580b}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = socket$tipc(0x1e, 0x5, 0x0) getsockopt$sock_int(r3, 0x1, 0x26, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x200f0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1046.360895][T22278] block nbd1: shutting down sockets [ 1046.384879][T22285] block nbd5: Device being setup by another task 00:17:26 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1046.418798][T22285] nbd5: detected capacity change from 0 to 38 00:17:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x790}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:26 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x6503}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.479797][T22283] block nbd5: shutting down sockets [ 1046.488114][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1046.489995][ T6576] Dev nbd5: unable to read RDB block 0 [ 1046.491565][ T6576] nbd5: unable to read partition table [ 1046.495017][T22305] block nbd3: shutting down sockets 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x20160100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socket$tipc(0x1e, 0x5, 0x0) (async) r3 = socket$tipc(0x1e, 0x5, 0x0) getsockopt$sock_int(r3, 0x1, 0x26, 0x0, &(0x7f0000000040)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_DO_IT(r2, 0xab03) [ 1046.553212][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1046.566550][ T6576] Dev nbd5: unable to read RDB block 0 00:17:26 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:17:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.644382][ T6576] nbd5: unable to read partition table 00:17:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) ioctl$NBD_DO_IT(r0, 0xab03) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:26 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x680b}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x30000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:26 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1046.747566][T22322] block nbd3: shutting down sockets 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x680f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.785136][T22330] block nbd5: Device being setup by another task 00:17:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10001) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) connect$tipc(r4, &(0x7f00000000c0)=@name={0x1e, 0x2, 0x3, {{0x1, 0x3}, 0x1}}, 0x10) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r0, 0xab03) r5 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x10900, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa14}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.837811][T22330] nbd5: detected capacity change from 0 to 38 00:17:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x30130000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:26 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1046.892094][T22342] block nbd5: shutting down sockets [ 1046.917861][T22345] block nbd3: Unsupported socket: shutdown callout must be supported. 00:17:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1046.925644][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1046.927709][ T6948] Dev nbd5: unable to read RDB block 0 00:17:26 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x6a01}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1046.929372][ T6948] nbd5: unable to read partition table [ 1046.965240][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1046.971752][ T52] block nbd1: Attempted send on invalid socket [ 1047.009468][ T6948] Dev nbd5: unable to read RDB block 0 [ 1047.027655][ T6948] nbd5: unable to read partition table 00:17:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x38640100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) ioctl$NBD_DO_IT(r0, 0xab03) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa34}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x6a11}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1047.166596][T22362] nbd5: detected capacity change from 0 to 38 [ 1047.224055][T22366] block nbd5: shutting down sockets [ 1047.246023][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1047.261058][ T6576] Dev nbd5: unable to read RDB block 0 [ 1047.266268][ T6576] nbd5: unable to read partition table [ 1047.269846][T22355] ldm_validate_partition_table(): Disk read failed. [ 1047.272026][T22355] Dev nbd5: unable to read RDB block 0 [ 1047.273723][T22355] nbd5: unable to read partition table [ 1047.283875][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1047.286393][ T6576] Dev nbd5: unable to read RDB block 0 [ 1047.288228][ T6576] nbd5: unable to read partition table [ 1047.293283][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1047.296182][ T6576] Dev nbd5: unable to read RDB block 0 [ 1047.297993][ T6576] nbd5: unable to read partition table [ 1047.300966][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1047.303087][ T6576] Dev nbd5: unable to read RDB block 0 [ 1047.306482][ T6576] nbd5: unable to read partition table [ 1047.535202][ T2106] ieee802154 phy0 wpan0: encryption failed: -22 [ 1047.536998][ T2106] ieee802154 phy1 wpan1: encryption failed: -22 [ 1047.677583][T12014] block nbd3: Receive control failed (result -32) [ 1047.678002][T22337] block nbd3: shutting down sockets 00:17:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb48}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) ioctl$NBD_DO_IT(r0, 0xab03) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) 00:17:27 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x8007}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x40000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10001) (async) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) connect$tipc(r4, &(0x7f00000000c0)=@name={0x1e, 0x2, 0x3, {{0x1, 0x3}, 0x1}}, 0x10) (async) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) r5 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x10900, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x40070100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1047.768034][T22386] block nbd3: shutting down sockets 00:17:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10001) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) connect$tipc(r4, &(0x7f00000000c0)=@name={0x1e, 0x2, 0x3, {{0x1, 0x3}, 0x1}}, 0x10) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r0, 0xab03) r5 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x10900, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10001) (async) socket(0x10, 0x803, 0x0) (async) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) (async) connect$tipc(r4, &(0x7f00000000c0)=@name={0x1e, 0x2, 0x3, {{0x1, 0x3}, 0x1}}, 0x10) (async) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x10900, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) 00:17:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb54}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x8c07}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1047.856213][T22394] block nbd3: Unsupported socket: shutdown callout must be supported. [ 1047.856692][T22396] nbd5: detected capacity change from 0 to 38 [ 1047.911975][T22404] block nbd5: shutting down sockets 00:17:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1047.940818][ T6948] ldm_validate_partition_table(): Disk read failed. 00:17:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x407e0100, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1047.959609][T22394] block nbd3: shutting down sockets [ 1047.972176][ T6948] Dev nbd5: unable to read RDB block 0 [ 1047.973925][ T6948] nbd5: unable to read partition table [ 1048.022993][T22381] ldm_validate_partition_table(): Disk read failed. [ 1048.026279][T22381] Dev nbd5: unable to read RDB block 0 [ 1048.028109][T22381] nbd5: unable to read partition table [ 1048.030534][ T6948] ldm_validate_partition_table(): Disk read failed. [ 1048.034230][ T6948] Dev nbd5: unable to read RDB block 0 [ 1048.076841][ T6948] nbd5: unable to read partition table 00:17:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r4, 0x0, 0x0, 0x44051, &(0x7f0000000080)={0x2, 0x3, @multicast1}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 00:17:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x9007}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x44000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb58}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fsync(r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb68}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x480b0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x9701}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1048.285180][T22452] block nbd1: shutting down sockets 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1048.376516][T22458] block nbd1: shutting down sockets 00:17:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_DO_IT(r0, 0xab03) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r4, 0x0, 0x0, 0x44051, &(0x7f0000000080)={0x2, 0x3, @multicast1}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1048.429500][T22460] block nbd5: shutting down sockets [ 1048.926360][T12014] block nbd3: Receive control failed (result -32) [ 1048.926359][ T5978] block nbd3: Receive control failed (result -32) [ 1048.930296][T22430] block nbd3: shutting down sockets 00:17:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xba0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x4c000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:28 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa002}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:17:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socket(0x10, 0x803, 0x0) (async) r3 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r3, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_DO_IT(r0, 0xab03) (async) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) (async) r4 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r4, 0x0, 0x0, 0x44051, &(0x7f0000000080)={0x2, 0x3, @multicast1}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1048.995120][T22472] block nbd1: shutting down sockets 00:17:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:17:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xa00b}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x540b0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1049.055333][T22478] block nbd3: Device being setup by another task 00:17:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1049.086803][T22479] block nbd5: Unsupported socket: shutdown callout must be supported. [ 1049.090088][T22479] nbd5: detected capacity change from 0 to 38 [ 1049.113424][T22475] block nbd5: shutting down sockets [ 1049.144011][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1049.151768][ T6576] Dev nbd5: unable to read RDB block 0 [ 1049.160274][ T6576] nbd5: unable to read partition table [ 1049.172337][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1049.180031][ T6576] Dev nbd5: unable to read RDB block 0 00:17:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xae00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1049.186472][ T6576] nbd5: unable to read partition table 00:17:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1049.349154][T22497] nbd5: detected capacity change from 0 to 38 [ 1049.804417][ T5978] block nbd3: Receive control failed (result -32) [ 1049.808612][T22476] block nbd3: shutting down sockets 00:17:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 00:17:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x580b0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:17:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xd00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:29 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xb803}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:17:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x58550100, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1049.914877][T22510] block nbd3: Device being setup by another task [ 1050.067239][ T5502] block nbd5: Receive control failed (result -104) [ 1050.067250][T12014] block nbd5: Receive control failed (result -32) [ 1050.680816][ T5978] block nbd3: Receive control failed (result -32) [ 1050.681096][T22508] block nbd3: shutting down sockets [ 1079.535693][ T52] block nbd5: Connection timed out, retrying (0/2 alive) [ 1079.535703][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 30 seconds [ 1079.541014][ T1992] block nbd5: Dead connection, failed to find a fallback [ 1079.542925][ T1992] block nbd5: shutting down sockets [ 1079.544377][ T1992] blk_print_req_error: 335 callbacks suppressed [ 1079.544387][ T1992] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.548749][ T1992] buffer_io_error: 318 callbacks suppressed [ 1079.548760][ T1992] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.555377][T22497] block nbd5: Device being setup by another task [ 1079.557330][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.559902][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.562062][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.564513][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.584876][ T1992] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.587446][ T1992] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.589670][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.592283][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.594473][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.597244][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.599442][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.601934][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.604127][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.606730][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.608853][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1079.610722][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.613198][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.615490][ T6576] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1079.617957][ T6576] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1079.620692][ T6576] Dev nbd5: unable to read RDB block 0 [ 1079.622384][ T6576] nbd5: unable to read partition table [ 1079.625441][ T6576] ldm_validate_partition_table(): Disk read failed. [ 1079.627447][ T6576] Dev nbd5: unable to read RDB block 0 [ 1079.629132][ T6576] nbd5: unable to read partition table 00:18:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:18:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf00}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:18:24 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc403}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:18:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x606f0100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:18:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x100) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r4, 0x0, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) r5 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r7, 0xab03) 00:18:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 00:18:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x640b0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1104.150816][T22526] block nbd3: server does not support multiple connections per device. [ 1104.154387][T22519] block nbd3: shutting down sockets [ 1104.157811][T22529] nbd5: detected capacity change from 0 to 38 [ 1104.170177][T22530] block nbd5: shutting down sockets [ 1104.211595][T22530] blk_print_req_error: 27 callbacks suppressed [ 1104.211610][T22530] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:18:24 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc601}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1104.224100][T22530] buffer_io_error: 27 callbacks suppressed 00:18:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf10}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1104.224113][T22530] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.230155][T22532] block nbd5: Device being setup by another task [ 1104.232347][ T1992] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:18:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x100) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = socket$inet(0x2, 0x4000000805, 0x0) (async) r3 = socket$inet_sctp(0x2, 0x5, 0x84) (async) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) (async, rerun: 64) accept4(r4, 0x0, 0x0, 0x0) (rerun: 64) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) r5 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async, rerun: 32) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) (async, rerun: 32) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) (async, rerun: 32) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) ioctl$NBD_DO_IT(r7, 0xab03) (rerun: 32) [ 1104.234966][ T1992] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.237558][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.240078][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.242202][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.244768][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.246927][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.249475][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.251970][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.254901][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.257124][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:18:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x680b0000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1104.275220][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.277538][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.279975][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.282144][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.284083][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.287509][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.289668][T22531] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1104.292134][T22531] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1104.294274][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.296345][T22531] nbd5: unable to read partition table 00:18:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1104.319758][T22542] block nbd3: shutting down sockets [ 1104.341930][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.343886][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.365549][T22531] nbd5: unable to read partition table [ 1104.367761][T22550] ldm_validate_partition_table(): Disk read failed. [ 1104.369887][T22550] Dev nbd5: unable to read RDB block 0 [ 1104.371715][T22550] nbd5: unable to read partition table [ 1104.415084][T22550] block nbd5: Device being setup by another task [ 1104.435477][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.437473][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.439012][T22531] nbd5: unable to read partition table [ 1104.445566][T22550] ldm_validate_partition_table(): Disk read failed. [ 1104.447679][T22550] Dev nbd5: unable to read RDB block 0 [ 1104.449496][T22550] nbd5: unable to read partition table [ 1104.451758][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.453752][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.514943][T22550] block nbd5: Device being setup by another task [ 1104.517710][T22531] nbd5: unable to read partition table [ 1104.523432][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.530562][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.532327][T22531] nbd5: unable to read partition table [ 1104.545260][T22531] ldm_validate_partition_table(): Disk read failed. [ 1104.547094][T22531] Dev nbd5: unable to read RDB block 0 [ 1104.548702][T22531] nbd5: unable to read partition table [ 1106.207140][ T5502] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 1106.209895][ T5502] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 1106.212761][ T5502] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 1106.215982][ T5502] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 1106.218252][ T5502] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 1106.296239][T22558] chnl_net:caif_netlink_parms(): no params data found [ 1106.324554][T22558] bridge0: port 1(bridge_slave_0) entered blocking state [ 1106.326807][T22558] bridge0: port 1(bridge_slave_0) entered disabled state [ 1106.328921][T22558] bridge_slave_0: entered allmulticast mode [ 1106.330976][T22558] bridge_slave_0: entered promiscuous mode [ 1106.334167][T22558] bridge0: port 2(bridge_slave_1) entered blocking state [ 1106.336784][T22558] bridge0: port 2(bridge_slave_1) entered disabled state [ 1106.338828][T22558] bridge_slave_1: entered allmulticast mode [ 1106.341020][T22558] bridge_slave_1: entered promiscuous mode [ 1106.355079][T22558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1106.359328][T22558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1106.373039][T22558] team0: Port device team_slave_0 added [ 1106.376717][T22558] team0: Port device team_slave_1 added [ 1106.389155][T22558] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1106.391119][T22558] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1106.398049][T22558] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1106.402135][T22558] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1106.403935][T22558] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1106.410864][T22558] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1106.466508][T22558] hsr_slave_0: entered promiscuous mode [ 1106.505032][T22558] hsr_slave_1: entered promiscuous mode [ 1106.554768][T22558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1106.556850][T22558] Cannot create hsr debugfs directory [ 1106.625416][T22558] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1106.683430][T22558] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1106.736860][T22558] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1106.806429][T22558] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1106.948434][T22558] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1106.976973][T22558] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1107.026347][T22558] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1107.056567][T22558] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1107.128378][T22558] bridge0: port 2(bridge_slave_1) entered blocking state [ 1107.130710][T22558] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1107.133297][T22558] bridge0: port 1(bridge_slave_0) entered blocking state [ 1107.135265][T22558] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1107.168042][T22558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1107.174354][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1107.178795][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 1107.181639][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 1107.185062][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1107.192452][T22558] 8021q: adding VLAN 0 to HW filter on device team0 [ 1107.207234][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1107.209663][ T7782] bridge0: port 1(bridge_slave_0) entered blocking state [ 1107.211586][ T7782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1107.213690][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1107.216341][ T7782] bridge0: port 2(bridge_slave_1) entered blocking state [ 1107.218281][ T7782] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1107.223035][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1107.226529][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1107.233371][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1107.241508][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1107.244430][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1107.248949][T22558] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1107.324304][T22558] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1107.327031][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1107.329155][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1107.339384][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1107.342003][ T7782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1107.353096][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1107.355596][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1107.358356][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1107.360621][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1107.364640][T22558] veth0_vlan: entered promiscuous mode [ 1107.371852][T22558] veth1_vlan: entered promiscuous mode [ 1107.384846][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1107.387238][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1107.389650][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1107.392228][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1107.396041][T22558] veth0_macvtap: entered promiscuous mode [ 1107.400282][T22558] veth1_macvtap: entered promiscuous mode [ 1107.415963][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.418794][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.421315][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.423955][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.429427][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.432180][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.434932][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.437498][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.439963][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.442640][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.445697][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1107.448488][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.452180][T22558] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1107.454348][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1107.457137][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1107.459606][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1107.462209][ T5509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1107.473187][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.476324][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.478907][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.481443][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.483965][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.486719][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.489378][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.492126][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.494619][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.497564][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.500197][T22558] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1107.502885][T22558] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1107.506651][T22558] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1107.509498][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1107.512793][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1107.518179][T22558] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1107.520500][T22558] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1107.522834][T22558] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1107.525489][T22558] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1107.568026][T19954] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1107.570358][T19954] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1107.584315][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1107.585828][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1107.586932][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1107.594570][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1108.255386][ T5502] Bluetooth: hci6: command 0x0409 tx timeout [ 1108.975541][ T2106] ieee802154 phy0 wpan0: encryption failed: -22 [ 1108.977227][ T2106] ieee802154 phy1 wpan1: encryption failed: -22 [ 1109.615089][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 60 seconds [ 1110.334766][ T5502] Bluetooth: hci6: command 0x041b tx timeout [ 1112.415795][ T5502] Bluetooth: hci6: command 0x040f tx timeout [ 1114.494763][ T5978] Bluetooth: hci6: command 0x0419 tx timeout [ 1139.695177][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 90 seconds 00:19:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x68120100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:19:22 executing program 5: semctl$IPC_RMID(0x0, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = dup3(r1, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x41, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b005) r4 = memfd_secret(0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r7 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0xc0000, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r8, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r8, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) 00:19:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x100) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = socket$inet(0x2, 0x4000000805, 0x0) (async) r3 = socket$inet_sctp(0x2, 0x5, 0x84) (async) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) accept4(r4, 0x0, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) (async) r5 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x7a, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b005) ioctl$NBD_DO_IT(r5, 0xab03) (async) ioctl$NBD_DO_IT(r5, 0xab03) (async) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r7, 0xab03) 00:19:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) fsync(r0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 00:19:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xc803}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:19:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf1c}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1162.918650][T22586] block nbd3: shutting down sockets 00:19:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x68890100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:19:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xce01}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:19:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf20}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:19:22 executing program 3: setsockopt$RDS_CONG_MONITOR(0xffffffffffffffff, 0x114, 0x6, &(0x7f00000000c0), 0x4) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) listen(r3, 0x5) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1162.996678][T22599] nbd5: detected capacity change from 0 to 38 [ 1163.051141][T22602] block nbd5: shutting down sockets 00:19:23 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xd803}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:19:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf30}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:19:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x80070000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1163.091567][T22602] blk_print_req_error: 133 callbacks suppressed [ 1163.091655][T22602] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.096488][T22602] buffer_io_error: 133 callbacks suppressed [ 1163.096499][T22602] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.122779][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.162625][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.171128][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.182337][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.190690][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.198394][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.203025][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.209019][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.213240][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.219394][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.235046][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.240002][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.245706][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.251545][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.256284][T22595] ldm_validate_partition_table(): Disk read failed. [ 1163.260643][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.293868][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.306669][T22595] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1163.309203][T22595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1163.311349][T22595] Dev nbd5: unable to read RDB block 0 [ 1163.313005][T22595] nbd5: unable to read partition table [ 1163.819638][ T5978] block nbd3: Receive control failed (result -32) [ 1163.819636][ T5502] block nbd3: Receive control failed (result -32) [ 1163.823797][T22597] block nbd3: shutting down sockets [ 1164.693677][ T5502] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 1164.698095][ T5502] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 1164.700805][ T5502] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 1164.703508][ T5502] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 1164.706735][ T5502] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 1164.708903][ T5502] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 1164.788039][T22613] chnl_net:caif_netlink_parms(): no params data found [ 1164.817516][T22613] bridge0: port 1(bridge_slave_0) entered blocking state [ 1164.819593][T22613] bridge0: port 1(bridge_slave_0) entered disabled state [ 1164.821667][T22613] bridge_slave_0: entered allmulticast mode [ 1164.823742][T22613] bridge_slave_0: entered promiscuous mode [ 1164.827302][T22613] bridge0: port 2(bridge_slave_1) entered blocking state [ 1164.829267][T22613] bridge0: port 2(bridge_slave_1) entered disabled state [ 1164.831227][T22613] bridge_slave_1: entered allmulticast mode [ 1164.833330][T22613] bridge_slave_1: entered promiscuous mode [ 1164.855843][T22613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1164.860099][T22613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1164.875256][T22613] team0: Port device team_slave_0 added [ 1164.878277][T22613] team0: Port device team_slave_1 added [ 1164.888602][T22613] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1164.890458][T22613] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1164.897826][T22613] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1164.902943][T22613] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1164.904974][T22613] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1164.911572][T22613] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1164.996862][T22613] hsr_slave_0: entered promiscuous mode [ 1165.035030][T22613] hsr_slave_1: entered promiscuous mode [ 1165.074755][T22613] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1165.076741][T22613] Cannot create hsr debugfs directory [ 1165.138013][T22613] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1165.193191][T22613] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1165.270603][T22613] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1165.341467][T22613] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1165.496124][T22613] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1165.528296][T22613] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1165.566396][T22613] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1165.606846][T22613] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1165.677775][T22613] bridge0: port 2(bridge_slave_1) entered blocking state [ 1165.679766][T22613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1165.681834][T22613] bridge0: port 1(bridge_slave_0) entered blocking state [ 1165.683731][T22613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1165.715383][T22613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1165.722087][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1165.726507][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 1165.729474][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 1165.732910][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1165.749793][T22613] 8021q: adding VLAN 0 to HW filter on device team0 [ 1165.757262][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1165.759868][ T9128] bridge0: port 1(bridge_slave_0) entered blocking state [ 1165.761768][ T9128] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1165.768016][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1165.770873][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1165.773312][T20765] bridge0: port 2(bridge_slave_1) entered blocking state [ 1165.775275][T20765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1165.788625][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1165.793921][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1165.804938][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1165.808186][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1165.810771][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1165.813373][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1165.816573][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1165.819253][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1165.824341][T22613] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1165.828317][T22613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1165.832420][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1165.835123][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1165.837643][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1165.933176][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1165.935830][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1165.940739][T22613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1165.954602][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1165.957452][T20765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1165.970211][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1165.972918][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1165.976592][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1165.979194][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1165.985381][T22613] veth0_vlan: entered promiscuous mode [ 1165.992436][T22613] veth1_vlan: entered promiscuous mode [ 1166.005797][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1166.008384][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1166.010934][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1166.013928][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1166.018447][T22613] veth0_macvtap: entered promiscuous mode [ 1166.022192][T22613] veth1_macvtap: entered promiscuous mode [ 1166.032370][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.036490][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.039095][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.041850][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.045248][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.048018][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.050616][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.053248][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.057219][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.060040][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.062669][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.065731][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.068387][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1166.071138][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.075833][T22613] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1166.079403][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.082303][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.085082][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.087771][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.090290][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.093103][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.096664][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.099699][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.103034][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.106832][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.109442][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.112210][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.114985][T22613] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1166.117802][T22613] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1166.121362][T22613] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1166.123881][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1166.126744][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1166.129297][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1166.131935][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1166.134769][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1166.137379][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1166.142594][T22613] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1166.145177][T22613] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1166.148244][T22613] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1166.150545][T22613] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1166.193579][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1166.196614][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1166.203340][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1166.218908][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1166.221590][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1166.227887][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1166.745380][ T5978] Bluetooth: hci7: command 0x0409 tx timeout [ 1168.815000][ T5978] Bluetooth: hci7: command 0x041b tx timeout [ 1169.775828][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 120 seconds [ 1170.425416][ T2106] ieee802154 phy0 wpan0: encryption failed: -22 [ 1170.427029][ T2106] ieee802154 phy1 wpan1: encryption failed: -22 [ 1170.894765][ T5978] Bluetooth: hci7: command 0x040f tx timeout [ 1172.975131][ T5978] Bluetooth: hci7: command 0x0419 tx timeout [ 1199.855427][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 150 seconds 00:20:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf54}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:20:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xe803}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:20:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x80600100, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:20:21 executing program 5: semctl$IPC_RMID(0x0, 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = dup3(r1, 0xffffffffffffffff, 0x0) (async, rerun: 32) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) (async, rerun: 32) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) (async) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x41, 0x0) (async, rerun: 64) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (rerun: 64) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b005) (async, rerun: 64) r4 = memfd_secret(0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) (async) ioctl$NBD_DO_IT(r6, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) (async) socket$inet_sctp(0x2, 0x0, 0x84) (async) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async, rerun: 32) r7 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0xc0000, 0x0) (async, rerun: 32) r8 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r8, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) (async, rerun: 64) getsockname$packet(r8, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (rerun: 64) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) 00:20:21 executing program 3: setsockopt$RDS_CONG_MONITOR(0xffffffffffffffff, 0x114, 0x6, &(0x7f00000000c0), 0x4) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) (async) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) listen(r3, 0x5) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 00:20:21 executing program 1: setsockopt$RDS_CONG_MONITOR(0xffffffffffffffff, 0x114, 0x6, &(0x7f00000000c0), 0x4) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) listen(r3, 0x5) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1221.540429][T22636] block nbd5: shutting down sockets [ 1221.564746][T22642] block nbd3: Device being setup by another task 00:20:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf68}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1221.636544][T22641] block nbd3: shutting down sockets 00:20:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf003}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:20:21 executing program 5: semctl$IPC_RMID(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = dup3(r1, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x41, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b005) (async) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b005) r4 = memfd_secret(0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x13) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) (async) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r7 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0xc0000, 0x0) socket(0x10, 0x803, 0x0) (async) r8 = socket(0x10, 0x803, 0x0) sendmsg$IPSET_CMD_LIST(r8, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x14}}, 0x0) getsockname$packet(r8, &(0x7f0000000380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) (async) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) 00:20:21 executing program 3: setsockopt$RDS_CONG_MONITOR(0xffffffffffffffff, 0x114, 0x6, &(0x7f00000000c0), 0x4) (async) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 64) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2000) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) listen(r3, 0x5) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 00:20:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x84000000, 0x0, 0x0, 0x0, 0x54}, 0x9c) 00:20:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xff0}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) 00:20:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf00f}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1221.784876][T22653] block nbd5: Device being setup by another task 00:20:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x887a0100, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1221.811161][T22653] nbd5: detected capacity change from 0 to 38 [ 1221.866035][T22658] block nbd3: Device being setup by another task [ 1221.871444][T22652] block nbd5: shutting down sockets 00:20:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0x1001}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1221.897954][ C0] blk_print_req_error: 11 callbacks suppressed [ 1221.897967][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.902038][ C0] buffer_io_error: 11 callbacks suppressed [ 1221.902047][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.905747][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.908232][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.910363][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.912773][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.925398][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.928111][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.930239][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.932622][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.944815][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.947345][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.949303][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1221.951635][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.953657][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 00:20:21 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000007c0)={0x0, 0x5}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x54}, 0x9c) recvmmsg(r0, &(0x7f0000008a40)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000240)=""/189, 0xbd}, {&(0x7f0000000300)=""/41, 0x29}, {&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000400)=""/235, 0xeb}, {&(0x7f0000000640)=""/244, 0xf4}, {&(0x7f0000000500)=""/96, 0x60}], 0x6, 0x0, 0x0, 0xf103}}, {{0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/228, 0xe4}, {&(0x7f0000000380)=""/19, 0x13}, {&(0x7f0000000940)=""/160, 0xa0}], 0x3}}, {{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f00000014c0)=""/4096, 0x1000}], 0x1}}, {{0x0, 0x0, &(0x7f00000010c0)=[{&(0x7f0000000d40)=""/153, 0x99}, {&(0x7f0000000e40)=""/50, 0x32}, {&(0x7f0000000ec0)=""/226, 0xe2}, {&(0x7f0000000fc0)=""/243, 0xf3}], 0x4}}, {{0x0, 0x0, &(0x7f0000005580)=[{&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x2}}], 0x5, 0x0, 0x0) [ 1221.970892][T22660] block nbd3: shutting down sockets 00:20:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback}}, 0x8c070000, 0x0, 0x0, 0x0, 0x54}, 0x9c) [ 1221.994792][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1221.996899][T22647] ldm_validate_partition_table(): Disk read failed. [ 1221.998668][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1222.001092][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1222.078613][T22647] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1222.081202][T22647] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1222.083417][T22647] Dev nbd5: unable to read RDB block 0 [ 1222.103122][T22647] nbd5: unable to read partition table [ 1222.135388][T22647] ldm_validate_partition_table(): Disk read failed. [ 1222.137361][T22647] Dev nbd5: unable to read RDB block 0 [ 1222.138937][T22647] nbd5: unable to read partition table [ 1223.579145][ T5978] Bluetooth: hci8: unexpected cc 0x1003 length: 249 > 9 [ 1223.582239][ T5978] Bluetooth: hci8: unexpected cc 0x1001 length: 249 > 9 [ 1223.584849][ T5978] Bluetooth: hci8: unexpected cc 0x0c23 length: 249 > 4 [ 1223.587120][ T5978] Bluetooth: hci8: unexpected cc 0x0c25 length: 249 > 3 [ 1223.589296][ T5978] Bluetooth: hci8: unexpected cc 0x0c38 length: 249 > 2 [ 1223.664783][T22683] chnl_net:caif_netlink_parms(): no params data found [ 1223.692879][T22683] bridge0: port 1(bridge_slave_0) entered blocking state [ 1223.695737][T22683] bridge0: port 1(bridge_slave_0) entered disabled state [ 1223.697791][T22683] bridge_slave_0: entered allmulticast mode [ 1223.699952][T22683] bridge_slave_0: entered promiscuous mode [ 1223.703832][T22683] bridge0: port 2(bridge_slave_1) entered blocking state [ 1223.706356][T22683] bridge0: port 2(bridge_slave_1) entered disabled state [ 1223.708348][T22683] bridge_slave_1: entered allmulticast mode [ 1223.710412][T22683] bridge_slave_1: entered promiscuous mode [ 1223.725206][T22683] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1223.729722][T22683] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1223.743267][T22683] team0: Port device team_slave_0 added [ 1223.748685][T22683] team0: Port device team_slave_1 added [ 1223.759456][T22683] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1223.761375][T22683] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1223.768446][T22683] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1223.772423][T22683] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1223.774323][T22683] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1223.781597][T22683] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1223.846304][T22683] hsr_slave_0: entered promiscuous mode [ 1223.885082][T22683] hsr_slave_1: entered promiscuous mode [ 1223.924913][T22683] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1223.926963][T22683] Cannot create hsr debugfs directory [ 1223.995337][T22683] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1224.053252][T22683] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1224.136265][T22683] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1224.206414][T22683] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1224.369086][T22683] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1224.406956][T22683] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1224.446374][T22683] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1224.486940][T22683] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1224.537063][T22683] bridge0: port 2(bridge_slave_1) entered blocking state [ 1224.538955][T22683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1224.540837][T22683] bridge0: port 1(bridge_slave_0) entered blocking state [ 1224.542720][T22683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1224.574458][T22683] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1224.581417][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1224.584619][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 1224.587498][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 1224.591157][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1224.599195][T22683] 8021q: adding VLAN 0 to HW filter on device team0 [ 1224.607514][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1224.609985][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 1224.611856][ T8336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1224.613983][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1224.617672][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 1224.619545][ T8336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1224.639720][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1224.642569][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1224.645617][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1224.648093][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1224.650671][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1224.655046][T22683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1224.749055][T22683] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1224.755295][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1224.757454][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1224.764478][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1224.767428][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1224.779731][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1224.782332][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1224.785640][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1224.788041][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1224.791633][T22683] veth0_vlan: entered promiscuous mode [ 1224.797508][T22683] veth1_vlan: entered promiscuous mode [ 1224.810055][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1224.812583][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1224.815696][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1224.818155][ T9128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1224.823461][T22683] veth0_macvtap: entered promiscuous mode [ 1224.829657][T22683] veth1_macvtap: entered promiscuous mode [ 1224.837914][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.840745][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.843257][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.846789][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.849409][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.852141][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.854708][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.857450][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.859897][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.862536][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.865883][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.868617][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.871118][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.873797][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.876097][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 1224.878763][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.882341][T22683] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1224.885577][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1224.888089][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1224.890471][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1224.893197][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1224.905450][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.908252][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.910687][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.913358][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.917221][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.919897][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.922354][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.926649][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.929236][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.931841][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.934281][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.938828][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.941432][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.944100][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.946800][T22683] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 1224.949444][T22683] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1224.953047][T22683] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1224.955943][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1224.958647][ T8336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1224.963762][T22683] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1224.966497][T22683] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1224.968811][T22683] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1224.971096][T22683] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1225.018109][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1225.020479][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1225.028883][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1225.040524][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1225.042768][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1225.049501][T22567] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1225.626017][ T5502] Bluetooth: hci8: command 0x0409 tx timeout [ 1227.694781][ T5978] Bluetooth: hci8: command 0x041b tx timeout [ 1228.824809][ T5978] Bluetooth: hci6: command 0x0406 tx timeout [ 1229.775012][ T5502] Bluetooth: hci8: command 0x040f tx timeout [ 1229.935778][ T1992] block nbd1: Possible stuck request 00000000f9cca379: control (flush@18446744073709551104,0B). Runtime 180 seconds [ 1231.855194][ T5978] Bluetooth: hci8: command 0x0419 tx timeout [ 1231.869528][ T2106] ieee802154 phy0 wpan0: encryption failed: -22 [ 1231.871320][ T2106] ieee802154 phy1 wpan1: encryption failed: -22 [ 1255.534923][ T28] INFO: task syz-executor.1:22573 blocked for more than 143 seconds. [ 1255.537290][ T28] Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 1255.539150][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1255.542685][ T28] task:syz-executor.1 state:D stack:0 pid:22573 ppid:22558 flags:0x00000001 [ 1255.545265][ T28] Call trace: [ 1255.546141][ T28] __switch_to+0x320/0x754 [ 1255.547345][ T28] __schedule+0x103c/0x1e2c [ 1255.548633][ T28] schedule+0xc4/0x170 [ 1255.549706][ T28] blk_mq_freeze_queue_wait+0xf4/0x174 [ 1255.551321][ T28] blk_freeze_queue+0xc8/0x104 [ 1255.552648][ T28] blk_mq_freeze_queue+0x20/0x30 [ 1255.554024][ T28] nbd_add_socket+0x154/0x76c [ 1255.555493][ T28] nbd_ioctl+0x20c/0xc40 [ 1255.556705][ T28] blkdev_ioctl+0x408/0xb40 [ 1255.557953][ T28] __arm64_sys_ioctl+0x14c/0x1c8 [ 1255.559289][ T28] invoke_syscall+0x98/0x2c0 [ 1255.560552][ T28] el0_svc_common+0x138/0x258 [ 1255.561821][ T28] do_el0_svc+0x64/0x198 [ 1255.563027][ T28] el0_svc+0x4c/0x15c [ 1255.564105][ T28] el0t_64_sync_handler+0x84/0xf0 [ 1255.565753][ T28] el0t_64_sync+0x190/0x194 [ 1255.567218][ T28] INFO: task syz-executor.1:22574 blocked for more than 143 seconds. [ 1255.569428][ T28] Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 1255.571275][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1255.573662][ T28] task:syz-executor.1 state:D stack:0 pid:22574 ppid:22558 flags:0x00000001 [ 1255.576312][ T28] Call trace: [ 1255.577253][ T28] __switch_to+0x320/0x754 [ 1255.578415][ T28] __schedule+0x103c/0x1e2c [ 1255.579635][ T28] schedule+0xc4/0x170 [ 1255.580726][ T28] __bio_queue_enter+0x22c/0x554 [ 1255.582017][ T28] blk_mq_submit_bio+0xa24/0x1d20 [ 1255.583439][ T28] __submit_bio+0x214/0x2a0 [ 1255.584768][ T28] submit_bio_noacct_nocheck+0x770/0xb60 [ 1255.586337][ T28] submit_bio_noacct+0xce0/0x1648 [ 1255.587717][ T28] submit_bio+0x274/0x3d8 [ 1255.588881][ T28] submit_bio_wait+0x108/0x210 [ 1255.590208][ T28] blkdev_issue_flush+0xb8/0x104 [ 1255.591579][ T28] blkdev_fsync+0x7c/0xac [ 1255.592722][ T28] __arm64_sys_fsync+0x178/0x1c0 [ 1255.594153][ T28] invoke_syscall+0x98/0x2c0 [ 1255.596243][ T28] el0_svc_common+0x138/0x258 [ 1255.597546][ T28] do_el0_svc+0x64/0x198 [ 1255.598774][ T28] el0_svc+0x4c/0x15c [ 1255.599835][ T28] el0t_64_sync_handler+0x84/0xf0 [ 1255.601180][ T28] el0t_64_sync+0x190/0x194 [ 1255.602474][ T28] [ 1255.602474][ T28] Showing all locks held in the system: [ 1255.604520][ T28] 1 lock held by rcu_tasks_kthre/12: [ 1255.606099][ T28] #0: ffff800015f3f4d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 1255.609057][ T28] 1 lock held by rcu_tasks_trace/13: [ 1255.610448][ T28] #0: ffff800015f3fcd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 1255.613409][ T28] 1 lock held by khungtaskd/28: [ 1255.614854][ T28] #0: ffff800015f3f300 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 1255.617501][ T28] 1 lock held by klogd/5535: [ 1255.618786][ T28] 2 locks held by getty/5686: [ 1255.620026][ T28] #0: ffff0000d43e7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 1255.622585][ T28] #1: ffff80001acd02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 1255.625493][ T28] 2 locks held by kworker/u4:2/19953: [ 1255.626944][ T28] 1 lock held by syz-executor.1/22573: [ 1255.628454][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.631131][ T28] 1 lock held by syz-executor.1/22628: [ 1255.632592][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.635331][ T28] 1 lock held by syz-executor.1/22697: [ 1255.636806][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.639360][ T28] 1 lock held by syz-executor.1/22698: [ 1255.640927][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.643573][ T28] 1 lock held by syz-executor.1/22699: [ 1255.646336][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.648939][ T28] 1 lock held by syz-executor.1/22700: [ 1255.650416][ T28] #0: ffff0000cc9ff998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 [ 1255.653222][ T28] [ 1255.653894][ T28] ============================================= [ 1255.653894][ T28] [ 1255.656326][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 1255.658192][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 1255.660805][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 1255.663537][ T28] Call trace: [ 1255.664396][ T28] dump_backtrace+0x1b8/0x1e4 [ 1255.665660][ T28] show_stack+0x2c/0x44 [ 1255.666795][ T28] dump_stack_lvl+0xd0/0x124 [ 1255.668127][ T28] dump_stack+0x1c/0x28 [ 1255.669300][ T28] panic+0x2e0/0x7b8 [ 1255.670414][ T28] hung_task_panic+0x0/0x2c [ 1255.671678][ T28] kthread+0x250/0x2d8 [ 1255.672847][ T28] ret_from_fork+0x10/0x20 [ 1255.674137][ T28] SMP: stopping secondary CPUs [ 1255.675528][ T28] Kernel Offset: disabled [ 1255.676769][ T28] CPU features: 0x000000,20700402,32017203 [ 1255.678463][ T28] Memory Limit: none [ 1256.604228][ T28] Rebooting in 86400 seconds..